Answers
Answer: x=16
DF=105
Step-by-step explanation:
DF=DE+EF
9x-39=47+3x+10
9x-39=57+3x
9x=96+3x
6x=96
x=16
DF=9x-39
DF=9(16)-39
DF=144-39
DF=105
Related Questions
Pablo had 638 grams of cashew nuts and 594 grams of peanuts. He mixed the nuts and packed them into 7 packets. Each packet of nuts had a mass of 120 grams. How many grams of nuts did Pablo have left?
Answers
The nuts left with Pablo after using 840 g of nuts to make 7 packets is 392 g.
We are given that:
Pablo has
Cashew nuts = 638 g
Peanuts = 594 g
He now has mixed the nuts.
Total amount of nuts will be calculated by using addition.
Total amount of nuts = T = 638 g + 594 g
T = 1232 g
He has made a total of 7 packets and in each packet, he has put 120 g of nuts.
Total nuts used = 7 × 120 g = 840 g
Nuts left with Pablo = 1232 g - 840 g
Nuts left = 392 g
Therefore, we get that the nuts left with Pablo after using 840 g of nuts to make 7 packets is 392 g.
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what is the total capacity in gallows of a rectangular tank 5 meters in height knowing that it will hold 200 liters per foot?
Answers
729.1 is the total capacity in gallows of a rectangular tank .
What is rectangle?
The internal angles of a rectangle, which has four sides, are all exactly 90 degrees. At each corner or vertex, the two sides come together at a straight angle. The rectangle differs from a square because its two opposite sides are of equal length.1 Foot height can store = 200 ltrs
Height of tank = 5 m = 500/30.48 = 16.4 ft
Total Capacity = 200 * 16.4 =3280.8 ltr
There were several gallons in use. One gallons is roughly = 4.5 ltr
Hence the capacity in gallon = 3280.8/4.5 = 729.1
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Dylan wants to buy a book for 16.95 and a magazine for 4.50
Answers
Dylan needs $ 21.45 for the purchase of both books and the magazine.
Addition refers to the basic operation of mathematics where we find the sum of two or moe numbers.
We are given that:
Dylan wants to buy two things:
1. she wants to buy a book for $ 16.95
2. she wants to buy a magazine for $ 4.50
So, the total money that she needs will be calculated by adding the prices of both the products.
So, by using addition, we get the total money required by Dylan as:
Total money = $ 16.95 + $ 4.50
Total money = $ 21.45
Therefore, we get that, Dylan needs $ 21.45 for the purchase of both books and the magazine.
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5/6 divided by 3/5 =
A. 18/25
B. -25/18
C. 25/18
D. -18/25
Answers
Answer: 25/18 ==> C
Step-by-step explanation:
5/6 divided by 3/5=
5/6 / 3/5 =
5/6 * 5/3 = ==> dividing by a number is the same as multiplying by its reciprocal
5*5/(6*3)=25/18 ==> C
Match the following. Given D = {x | x is a whole number} E = {x | x is a perfect square < 100} F = {x | x is an even number between 10 and 20} 1. D ∩ (E ∪ F) {1, 4, 9, 16, 25, 36, 49, 64, 81, 12, 14, 18} 2. D ∩ E {1, 4, 9, 16, 25, 36, 49, 64, 81} 3. D ∪ (E ∩ F) {12, 14, 16, 18} 4. D ∩ (E ∩ F) {all whole numbers} 5. D ∩ F {16}
Answers
The values of the set functions after the matching are:
D∩F = FD∩E = EDU(E∩F) = DD∩(E∩F) = {16}D∩(EUF) = {1,,4,9,12.14,16,18,35,36,47,64,81}What do we mean by different types of sets' functions?The intersection of two sets is represented by ∩.This refers to shared values between the sets under consideration.U represents the union of two sets.This includes all values from all sets considered.So, we have D = {x | x is a whole number}.
Then: D = {0,1,2,3,4,5,6,7,8,.........}Similiarly, E = {x | x is a perfect square < 100}.
So: E = {1,,4,9,16,35,36,47,64,81}Similarly, F = {x | x is an even number between 10 and 20}.
Then: F = {12,14,16,18}Now, D∩E = The common values from sets D and E.
Here we have: = E (all perfect square < 100 )D∩F = F
Where: This means all even numbers between 10 and 20}Now, D∩(E∩F) = {16}.
Then: E∩F = {16}Hence, The only value common to both set D and E∩F is 16.DU(E∩F) = D ( This means all whole numbers)
Then we can say: E∩F = {16}D∩(EUF) = {1,,4,9,12.14,16,18,35,36,47,64,81}
We obtain: EUF = {1,,4,9,12.14,16,18,35,36,47,64,81}Therefore, the values after the matching are:
D∩F = FD∩E = EDU(E∩F) = DD∩(E∩F) = {16}D∩(EUF) = {1,,4,9,12.14,16,18,35,36,47,64,81}Know more about sets functions here:
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A person who wants to get in shape goes to a local gym that advertises 62 training sessions for $1109. Find the cost of 94 training sessions.
Answers
The cost of 94 training sessions is $1681.3.
A unit means one thing. A unit rate means the rate of something. Write this as a ratio with a denominator of 1. For example, if you ran 70 meters in 10 seconds, you ran an average of 7 meters in 1 second. A ratio of 70 yards in 10 seconds and 7 yards in 1 second are both rates, but 7 yards in 1 second is a unit rate. The unitary method is a method of finding the value of one unit and then finding the value of the required number of units.Suppose you go to the market to buy six apples. The shopkeeper told you that he sells 10 apples for 100 rupees. In this case, the apple is the unit and the apple price is the value.
62 training sessions for $1109
1 session = 1109/62
94 sessions = (1109/62) * 94
= $1681 .3
The cost of 94 training sessions is $1681.3.
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You start at (5, -4). You move up 6 units and down 1 unit. Where do you end?
Answers
Answer:
(5, 1)
Step-by-step explanation:
-4+6-1=1.
ON A HIGHWAY GOING TO YOUR PROVINCE YOU, NOTICE THAT THERE IS A BILLBOARD LOCATED EVERY 1 1/2 KILOMETERS. THERE ARE 14 BILLBOARDS IN THAT HIGHWAY. HOW LONG IS HIGHWAY
Answers
Answer:
The highway is 21 km long.
Step-by-step explanation:
[tex]\frac{1 billboard}{1.5 km} =\frac{14 billboard}{x}[/tex]
x = 21 km
Find the students mistake then find the correct x-intercepts for the graph of the function.
Answers
The value of the given equation the value of x : (3 , -10)
What is a quadratic equation in mathematics?Definitions: A quadratic equation is a second-order polynomial equation in some kind of a single variable x ax2+bx+c=0. Because it is a second-order polynomial problem, the fundamental theorem of fundamental algebra guarantees therefore it has at least one solution.
Briefing:the student haven't solved the equation properly he has not expanded the equation:
According to the given data:
The given equation is f(x) = (x - 3)² - 10
(x - 3)² - 10 = 0
this could be expand and write as:
x² + 9 -6x - 10 = 0
x² -6x -1 = 0
The vertex of an up-down facing parabola of the form y=ax^2+bx+c is Xv.
The parabola params are:
a=1, b=-6, c=-1
[tex]\:x_v=-\frac{b}{2a}[/tex]
[tex]x_v=-\frac{(-6)}{2 \cdot 1}[/tex]
Xv = 3
Putting x = 3 to get the value of y
we get:
y = -10
(3 , -10)
The value of the given equation the value of x : (3 , -10)
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I need solution to this question tutor
Answers
Answer:
x=3 and y=
Step-by-step explanation:
Answer:
x=5 and y any number
Step-by-step explanation:
2x+y+2z=2
2x-7y-8z=-2
-2x+4y+3z=8
Answers
Answer:
0
Step-by-step explanation:
forgotten sorry
12x – 6 + 4 – 5x = 26
Answers
The graph to the right uses cylinders to
represent barrels of oil consumed by two
countries. Does the graph distort the data or
does it depict the data fairly? Why or why not?
If the graph distorts the data, construct a
graph that depicts the data fairly.
Does the graph distort the data? Why? Or Why not?
A. Yes, because 3D objects always distort the data in graphs.
B. Yes, because the graph incorrectly uses objects of volume to represent the data.
C. No, because the graph is technically correct.
D. No, because the proportions are accurate.
Answers
The correct option regarding whether the graph distorts the data is:
B. Yes, because the graph incorrectly uses objects of volume to represent the data.
What is the correct graph for the amounts in the problem?When we are showing absolute amounts of two or more data-sets, the correct representation should be of graphs like histograms or bar graphs.
For this problem, the objective is to show the daily oil consumption in two countries, and they are shown as the volumes of a cylinder, which gives the idea that the amount in country A is considerable more than 4 times country B, that is, distorting the data.
Conversely, a bar graph or a histogram would show the right ratio between these two amounts.
Hence the correct option is:
B. Yes, because the graph incorrectly uses objects of volume to represent the data.
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How is the product of a complex number and a real number represented on the complex plane?
Consider the product of 2−4i and 3.
Answers
The product of a complex number and a real number represented on the complex plane is 6 - 12i
Complex numberComplex number is a number expressed in the form a + ib
where
a is the real part
b is the imaginary part
Given the complex and real number as shown;
3(2−4i)
Using the distributive law;
3(2) - 3(4i)
6 - 12i
Hence the product of a complex number and a real number represented on the complex plane is 6 - 12i
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Sixty-five students voted for Jessica. Two times
many students voted for Sierra. How many
students voted
Answers
students voted= 195
Solution :
a word problem is a problem of deciding whether two given expressions are equivalent with respect to a set of rewriting identities. A prototypical example is the word problem for groups, but there are many other instances as well.
Jessica = 65 student
Sierra = 2 (Sixty-five students voted for Jessica.) = 2(65) = 130
Total number of students = NO of students voted for Jessica +NO of students voted for Sierra
= 65+130
= 195
students voted= 195
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If p percent of q is r what percent of r is q
Answers
Answer:
10000/p.
Step-by-step explanation:
r = pq/100
pq = 100r
q = 100r/p
As a percentage of r:
we have P = q * 100/r
P = 100r/p * 100/r
= 10,000r / rp
= 10000/p
help me find the measures
Answers
c=26
d=31
You can church my answer by substituting them in and finding the inner two missing angles. per triangle all three angles should add up to 180.
Using the equation from #5, (d=20g) how many miles can a car drive if it has 13 gallons of gas?
Answers
Answer:
If d meaning mile it will be 20x13
What is 27x45 and can you explain it
Answers
Answer:
1215
Step-by-step explanation:
You have to multiply the smallest number with the largest number; then add the zero along with the numbers being multiplied; then add each number until you get the right answer
The number line below is correctly represented by which of the following intervals?
Answers
The intervals that represent the number line is c) {[tex]x|-8\leq x < 3[/tex]}
Which intervals are included in the number line?
It is a means of expressing subsets of the real number line. The numbers between any two particular provided numbers are referred to as an interval. For instance, the interval containing 0, 5, and all other integers between 0 and 5 is the set of values x satisfying [tex]0\leq x\leq 5[/tex].
Numbers from [tex]x=-8[/tex] (inclusive because the circle is closed) to [tex]x=3[/tex](exclusive because the circle is closed) make up the painted range.
Hence,{ [tex]x|-8\leq x < 3[/tex]}
Therefore, the intervals that represent the number line is
c){[tex]x|-8\leq x < 3[/tex]}
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please i need help with this
Answers
1. Finding the first five numbers in each sequence is as follows:
Sequence 1: 0 2 4 6 8 10Sequence 2: 0 4 8 12 16 20.2. The ordered pairs with the corresponding terms of the sequences are (0, 0), (2, 4), (4, 8), (6, 12), (8, 10), and (10, 20).
3. For the graph, I cannot draw one for you, but Sequence 1 will be on the Y-axis, starting with zero, and Sequence 2 on the X-axis.
The line intercepts will subsequently meet at (2, 4), (4, 8), (6, 12), (8, 10), and (10, 20).
What is a sequence?A sequence is an ordered pattern of numbers or objects.
The length of a sequence describes the number of elements.
Data and Calculations:Pattern rule for Sequence 1: Start with zero and add 2
Pattern rule for Sequence 2: Start with zero and add 4
Sequence 1: 0 2 (0 + 2) 4 (2 + 2) 6 (4 + 2) 8 (6 + 2) 10 (8 + 2)
Sequence 2: 0 4 (0 + 4) 8 (4 + 4) 12 (8 + 4) 16 (12 + 4) 20 (16 + 4)
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Mr. Richmond wants to purchase notebooks for his students. Each notebook costs $1.60. Mr. Richmond has
$60. What is the most amount of notebooks Mr. Richmond can purchase?
Answers
Answer: 37 Notebooks
Step-by-step explanation:
Set up and inequality equation where x is the unknown amount of notebooks Mr. Richmond can purchase.
1.60x less than or equal to $60.
Inverse Operations 60/1.60 = 37.5
But, round down, since you can't buy half a notebook so;
Mr. Richmond can purchase 37 notebooks.
50 POINTS HELP PLEASE
Graph the system of inequalities. Show at least two points for each inequality. (Lesson 1.08)
Answers
Answer:
54fhuuyfghhhrfbifgifd
the digit 8 in which number represents 0.08
Answers
Answer:
c
Step-by-step explanation:
2 spaces after the decimal
how do i solve this?
Answers
-4 + 8 - 5
Please help.
I'm on a knowledge check on ALEKS and my teacher won't help.
Please I've been doing this for almost the whole period.
Answers
Answer:
-1
Step-by-step explanation:
read warriors
by eren hunter.
Solve 2 - ax = -8 for x. Assume a ≠ 0
Answers
The expression is simplified to x = 10/ a
What is subject of formula?Subject of formula is defined as a variable which is expressed in terms of other variables involved in a given formula or expression.
Given the expression;
2 - ax = -8
Let's make 'x' the subject of formula
collect like terms
-ax = -8 - 2
Subtract like terms
-ax = - 10
Divide both sides by -a
-ax/ -a = - 10/-a
Find the ratio
x = 10/ a
Thus, the expression is simplified to x = 10/ a
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What is 36 divided by 3/4 in simplest form?
Answers
Answer:
48
Step-by-step explanation:
3/4 becomes 0.75 in decimal form
36/0.75=48
The solution of 36 divided by 3/4 in simplest form is,
⇒ 48
We have to given that,
To simplify 36 divided by 3/4 in simplest form.
It can be written as,
⇒ 36 ÷ (3/4)
⇒ 36 × 4/3
⇒ 12 × 4
⇒ 48
Therefore, The solution of 36 divided by 3/4 in simplest form is,
⇒ 48
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the cordinate point of X on PQ such that PX to XQ is 2:1 is (geometry pcture below help)
Answers
The value is XY : QR = 1 : 3
What is similarity?Two figures are said to be similar if they are the same shape. In more mathematical language, two figures are similar if their corresponding angles are congruent , and the ratios of the lengths of their corresponding sides are equal.
Given: Δ PQR, Point X and Y are on sides PQ and PR,
XY || QR
In Δ PQR
∠PXY = ∠PQR ( Corresponding angles )
∠PYX = ∠PRQ ( Corresponding angles )
Now, In ΔPQR and ΔAXY
∠P = ∠P ( common )
∠PXY = ∠PQR ( given )
∠PYX = ∠PRQ ( given )
ΔPQR ~ ΔAXY by AAA similarity Criteria.
We get,
PX/ XQ = PY/PR = XY/QR
PX/ XQ = PY/PR = 1/2
PQ = 1 + 2 = 3
PX/ PQ=1/3
hence, the ratio is XY : QR = 1 : 3
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Bill’s spelling list is 3 words long at the start of the school year. Each month, his teacher adds 8 words to the list.
Let m represent the number of months since school began and w represent the total number of spelling words.
This relationship can also be shown in a table. Complete the equation that represents between m and w.
Answers
Based on the fact that m represents the number of months and w is the total number of spelling words, the equation that represents the relationship between m and w is w = 8m + 3
How to find the equation?The first thing to find is the slope of the relationship. This can be found as:
= ( 51 - 43) / (6 - 5)
= 8 / 1
= 8
The y-intercept is:
w = 8m + c
43 = 8(5) + c
c = 43 - 40
c = 3
The equation to represent the relationship between m and w is:
w = 8m + 3
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