Answer:
Herlene has 8 dimes and 17 quarters
Step-by-step explanation:
System of Equations
Let's call:
x = number of dimes Herlene has
y = number of quarters Herlene has
Since each dime has a value of $0.10 and each quarter has a value of $0.25, the total money Herlene has is 0.10x+0.25y.
We know this amount is $5.05, thus:
0.10x + 0.25y = 5.05 [1]
It's also given the number of quarters is one more than twice the number of dimes, i.e.:
y = 2x + 1 [2]
Substituting in [1]:
0.10x + 0.25(2x + 1) = 5.05
Operating:
0.10x + 0.5x + 0.25 = 5.05
0.6x = 5.05 - 0.25
0.6x = 4.8
x = 8
From [2]:
y = 2*8 + 1 = 17
y = 17
Herlene has 8 dimes and 17 quarters
Consider a set of data in which the sample mean is 73.4 and the sample standard deviation is 4.9. Calculate the z-score given that x
This question is incomplete, the complete question is;
Consider a set of data in which the sample mean is 73.4 and the sample standard deviation is 4.9. Calculate the z-score given that x = 69.5.
Round your answer to two decimal places.
Answer: the z-score is -0.80
Step-by-step explanation:
Given that;
mean μ = 73.4
standard deviation σ = 4.9
x = 69.5
z-score = ?
z = (x - μ) / σ
we substitute
z = (69.5 - 73.4) / 4.9
z = -3.9 / 4.9
z = - 0.7959 ≈ -0.80 { 2 decimal places }
Therefore, the z-score is -0.80
which terms are like terms in the expression 5x + 9 + (-7x)
Answer:
5x and -7x
Step-by-step explanation:
they both end in the variable "x"
Solve:
(7 × 8) − (35 + 12) − (2 × 2) =
Which of the following expressions represents five less than three times the number M
Answer:
Which of the following expressions represents five less than three times the number M
where are option ?
Answer:
3M-5
Step-by-step explanation:
You subtract the 5 from 3M and you have to make it 3 times M so you have the 3M.
Mrs Vargas bakes a pie for her book club meeting. The shaded part of the diagram below shows the amount of pie left after the meeting. That evening Mrs Vargas eats 3/8 of the whole pie. Which fraction represents the amount of pie remaining?
Step-by-step explanation:
there is a typo
Solve pls
2x - 5 = 7
Answer:
[tex]x = 6[/tex]Step-by-step explanation:
[tex]2x - 5 = 7 \\ 2x = 12 \\ x = 6[/tex]
Hey there!
“Solve 2x – 5 = 7”
FIRST: ADD both SIDES by 5
2x – 5 + 5 = 7 + 5
CANCEL out: –5 + 5 because it gives you 0
KEEP: 7 + 5 because it helps us solve for x
7 + 5 = 12
NEW EQUATION: 2x = 12
SECOND: DIVIDE both sides by 2
2x / 2 = 12 / 2
CANCEL out 2 / 2 because that gives you 1
KEEP: 12 / 2 because it gives you the value of x
NEW EQUATION; x = 12 / 2
SOLVE ABOVE and you have your answer
12 / 2 = 6
Therefore, x = 6 ☑️
Good luck on your assignment and enjoy your day!
~LoveYourselfFirst:)
Adam had some paper with which to make
note cards. On his way to his room he found two more pieces to use. In his room he cut each piece of paper in half. When
he was done he had 18 half-pieces of paper. With how many sheets of paper did he start?
Answer:
9
Step-by-step explanation:
18 / 2 = 9
Solve the following equation algebraically: 5x2 = 60
a. x~ +3 46
b. x~3.46
c. x = 12
d. X = +12
Answer:
x = 3.46
Step-by-step explanation:
In this question, you have to solve the equation.
Solve:
5x² = 60
Divide both sides by 5.
x² = 12
In order to eliminate the exponent, you would square root both sides.
√x² = √12
x = √12
√12 = 3.4641..
x = 3.46
Your final answer would be x = 3.46
Lots of points please help
Answer:
hi
Step-by-step explanation:
I need help on this too
Answer:
first one
Step-by-step explanation:
do i really need an explanation like come on
Based on the 2017 season, the Houston Astros have a winning percentage of .623. Use the binomial model to find the probability that the Astros will win 4 of their next 6 games.
P
(
x
)
=
[
n
!
x
!
(
n
−
x
)
!
]
p
x
q
n
−
x
A.
12.4%
B.
24.7%
C.
32.1%
D.
62.3%
Answer: Your answer would be C) 32.1%
Step-by-step explanation:
With the number of successes needed to be 4 and the total amount of trials (games) for this to be achieved in being 6 you can calculate a percentage based on their currenting winning percentage of .623 (don't forget decimals can be percentages, just move the decimal point over) and you can input all of this into the binomial model equation to get your answer. Please do note also that it would be a different answer entirely if you were to use .500 (50%) as a winning percentage which would be the logical conclusion as any team has a 50/50 chance of winning a given game but instead the question is asking us to calculate this percentage off the already given winning percentage. After inputting the data into the model formula you can conclude the answer to be 32.1% chance of them winning 4 out of the next 6 games. I hope this has been of assistance to you :)
Have a wonderful rest of your day!
the food pantry distribution 10 oz bags of rice if 3 5 lb bags are donated to the pantry how many 10 ounce bags can be made
Answer:
24 bags can be made from three 5 pounds bags.
Step-by-step explanation:
Given that:
Three 5 pound bags are donated.
Total weight of bags = 3*5 = 15 pounds
We know that:
1 pound = 16 ounces
15 pounds = 16*15 = 240 ounces
A bag weighs 10 ounces.
Number of bags = [tex]\frac{240}{10}[/tex]
Number of bags = 24 bags
Hence,
24 bags can be made from three 5 pounds bags.
Complete the reminder of the table for the given function rule
Answer:
1 then -2 then -5
Step-by-step explanation:
What is the combined length of all the buttons longer than 1 inch
Answer:
Where is the problem to solve?
Step-by-step explanation:
QR is parallel to ST Rs is parallel TU QS is congruent to SU
prove QRS is congruent to STU
Answer:
hope my answer is helpful to you
plz mark me as brainlist and also follow me
As QR is parallel to ST Rs is parallel TU QS is congruent to SU the measure of their included angle is also same ∠QRS ≅ ∠STU.
What is congruency?We know two similar planer figures are congruent when we have sides or angles or both that are the same as the corresponding sides or angles or both.
Given, Line segment QR is parallel to line segment ST.
Line segment RS is parallel to line segment TU, And line segment QS is similar to line segment SU.
So, The included angle of two pairs of parallel lines will also be the same as
line segment QS is similar to line segment SU.
∴ ∠QRS is similar to ∠STU.
learn more about congruency here :
https://brainly.com/question/7888063
#SPJ5
what is 20÷40+30-400÷10000
Answer:
brainly: this looks like a question for a calculator.
Step-by-step explanation:
Answer:
30.46
Step-by-step explanation:
How many ways can Rudy choose 4 pizza toppings from a menu of 14 toppings if each topping can only be chosen once
Answer:
24,024
Step-by-step explanation:
Calculation for How many ways can Rudy choose 4 pizza toppings from a menu of 14 toppings
The 4 pizza toppings from a menu of 14 toppings will be 14,13,12,11
Hence,
14*13*12*11=24,024
Therefore the numbers of way Rudy can choose 4 pizza toppings from a menu of 14 is 24,024
how do i get rid of the stupld
Answer:
wdym get rid of the "stupld"
Step-by-step explanation:
Answer:
Study, ask teachers questions, email, use this app, etc.
Step-by-step explanation:
If you study for a test/exam. Look over the study guide and recite it for 20 minutes and take a 10 minute break. Then pretend you're explaining the subject to someone for 20 minutes and take a 10 minute break. Then go over the study guide again and see if you missed anything while explaining and then explain it again but this time with the things you missed. Repeat if necessary. Flashcards on quizlet n stuff can help too.
2x + 3y = 2
y = {x+3
The solution of the system is (-2,2)
Step-by-step explanation:
a solution is a system of equations intersecting.
on the graph you can see that the lines intersect at (-2,2)
Which of the following statements is true concerning ABC below?
С
A. A is the smallest angle.
B. A is the largest angle.
C. B is the smallest angle.
D. B is the largest angle.
A is the smallest
Can I have brainleist?
Work backwards using the Distributive Property.
8(2) + 6(2) =
O 6(8+2)
O 8(2 +6)
O (8+6)2
O 2(6+2)
pleas help me with this
Answer:
B by Pythagorean theorem
Step-by-step explanation:
20² = 12² + 16²
The width of a rectangle is 10 less than the length. If the perimeter is 80 yards, find the length and width.
Answer:
Width is 15, length is 25
Step-by-step explanation:
80=2(X+(X+10)
40=2x+10
30=2x
x=15
Width is 15, length is 25
The percentage profit earned by selling a watch for Nu 1920 is equal to the percent loss incurred by selling the same watch for Nu 1280. At what price should the watch be sold to make 25% profit
Answer:
2,000
Step-by-step explanation:
The computation of the price that should be sold for making 25% profit is shown below:
Let cost price be x
Now the equation would be
(1,920 - x) ÷ x × 100 = (x - 1,280) ÷ x × 100
1,920 - x = x - 1,280
2x = 3,200
x = 1,600
Now the sale price would be
= 1,600 × 1.25
= 2,000
Math homework need help
Answer:
the sum of interior triangle is 180
so,
92+33+X=180
125x=180
X=180-125
=55
Jazmin is making bags of candy for hollween. Each time she makes a bag she puts in 1/2 pound. If she has 5 pounds of candy how many times can she do this
Answer:
10
Step-by-step explanation:
What is the answer to this equation?
Answer:
OQ = 12
Step-by-step explanation:
PQ + OP = OQ
x + 7 + 4x - 10 = 4x
5x - 3 = 4x
x = 3
OQ = 4x = 4(3) = 12
Evaluate 3^2+ (7 - 2). 4 - 6 thirds
Answer:
ITS A STRANGE SEQUENCE OF EVENTS MI BOI-REGTOOFUNNY-FUNNYMIKE
Step-by-step explanation:
07:56
O sol 100%
1. Find the measures of the following to the nearest tenth of a degree
a HT
b.LT
2. What is the area of the given triangle?
om
Dom
8
17. find each
15
sin=
3. If X and Y are complementary angles,
cosX
17 , and
of the following:
a. tan X =
b. sin YE
CcOS Y =
d. tsn Y
E
<
Answer:
Toilet rolls come in packs of 4 and 9.
The 4-pack is priced at £2.04.
The 9-pack is priced at £4.68.
By calculating the price per roll, determine which pack is better value. Show your working.
anyone ?mknwonthisssss
help please. Find the measure of each angle
1. 139
2. 41
3. 139
4. 139
5. 41
6. 139
7. 41