4 hours
T= d/s
= 2720/680
= 4
Hope this helps!
solve the system:
y=5
3x+y=2
solve the system:
y=5
4x-y=7
solve the system:
2x+y=12
3x-y=3
HELP PLEASE
Answer:
3x+5=2
3×=2- 5
3x= -3
x=-1
4x-5=7
4x=7+5
4x=12
4x÷4=12÷4
x=3
2x+5=12
2x=12-5
2x=7
2x÷2=7÷2
x=3.5
3x-5=3
3x=3+5
3x=8
3x÷3=8÷3
x=2.6
for a craft project say that the length of a piece of red ribbon should be 7 inches longer than the length of a piece of blue ribbon. How long is the red ribbon if the length of the blue ribbon is x inches?
Answer:
If the blue ribbon is x inches and the red ribbon is that length and an additional 7 inches the red ribbon can be expressed as x + 7.
does anyone know what mathia is?
Answer:
I think its some sort of learning platform. Search it up.
Step-by-step explanation:
I NEED HELP!!!
Find the value of A,B,C,D,E,F,G,H
Answer:
A = 33
B = 38
C = 5
D = 18
E = 30
F = 79
G = 56
H = 170
Step-by-step explanation:
See attached image.
For tanisha's lemonade recipe, 14 lemons are required to make 7 cups of lemonade. at what rate are lemons being used in lemons per cup of lemonade?
PLEASE HELP
the coordinate grid shows the plot of four equations
Which set of equations has 2,2 as its solution
A AND D
B AND D
A AND C
B AND C
A town's yearly snowfall in inches over a 10-year period is recorded in this table. what is the mean of the snowfall amounts? 15.0 in. 17.0 in. 17.9 in. 18.9 in
The mean is said to be an arithmetic mean. The mean of the snowfall is 17.9 inches then the correct option is C.
What is Mean?Mean is simply defined as the average of the given set of numbers. The mean is considered one of the measures of central tendencies in statistics. It is the ratio of the sum of the observation to the total number of observations.
A town's yearly snowfall in inches over a 10-year period is recorded in this table.
Year Snowfall in inches
1997 15
1998 11
1999 18
2000 25
2001 13
2002 20
2003 16
2004 28
2005 15
2006 18
Then the mean will be
[tex]\rm Mean = \dfrac{15+11+18+25+13+20+16+28+15+18}{10}\\\\Mean = \dfrac{179}{10}\\\\Mean = 17.9[/tex]
More about the mean link is given below.
https://brainly.com/question/521501
Answer:
C
Step-by-step explanation:
17.9
HELPPPPPPPPPPPPPPPPPPPPPPPP ASAP
Answer:
The answers are D and then B.
Step-by-step explanation:
The first question asks which team has the youngest members on average. This is easily answered because the "mean" is simply the average of all the ages. Therefore the youngest "mean" age will also have the youngest members on average.
The second question asks what team has the most variability in ages. Range is the difference between the highest and lowest number. Therefore the team with the highest range should, logically, also have the most variability.
The graph of the function f(x)=x^2-6x shifted 2 units to the left on the graph of g(x). Select the two functions that represent the shift of f(x) onto g(x)
Answer:
Step-by-step explanation:
g( x ) = f ( x + 2 )
g(x) = ( x + 2 )² - 6 ( x + 2 )
g(x) = x² + 4x + 4 - 6x - 12
g(x) = x² - 2x - 8
A cylinder has a height of 7 millimeters and a diameter of 6 millimeters. What is its volume?
Step-by-step explanation:
you could not find the formula ?
the volume of a cylinder is ground area × height.
and the ground area is a circle.
so, in total, we have
pi×r²×h
r being the radius (half the diameter), h being the height.
therefore, the volume of the given cylinder is
pi×(6/2)²×7 = pi×3²×7 = pi×63 = 197.9203372... mm³
Who burned down Constantinople?
O barbarians
O crusaders
o Egyptians
o Turks
Answer:
The Turks burned down Constantinople
Can someone please help me??? Due today! WILL GIVE BRAINLIEST!!! (Please complete both!) (1&2) there is one in the photo and one below
1. Multiply four and eight tenths multiplied by three.
1. thirteen and one tenth
2. thirteen and four tenths
3. fourteen and two tenths
4. fourteen and four tenths
Answer: 20 over 4 or 4/20
Step-by-step explanation: I belive this is you answer for number 2.
translation: 6 units right and 2 units down
D(-5, 1), E(-5,2), F(-1, 3), G(-1, -1)
Answer:
In the coordinate plane we can draw the translation if we know the direction and how far the figure should be moved. To translate the point P(x,y) , a units right and b units up, use P'(x+a,y+b) .
Step-by-step explanation:
Hope this helps!
Answer:
See below.
Step-by-step explanation:
A translation of 6 units right is 6 added to the x-coordinate.
A translation of 2 units down is a 2 subtracted from the y-coordinate.
Are D through G answer choices, or are you supposed to do the above translation to those 4 points?
Trigonometry question (please help).
Answer:
35.57 degrees
Step-by-step explanation:
tan x = 108/151
tan x = 0.71523
x = 35.57 degrees
Are the expressions 5(3a+2) and 15a+2 equivalent? Justify your answer.
SOLVE equations, SHOW WORK, AND EXPLAIN
Answer:
They are not equivalent.
Step-by-step explanation:
5(3a+2)=15a+10
15a+10≠15a+2
Answer:
not equivalent.
Step-by-step explanation:
5(3a+2). multiply the 5 into the parenthesis, so multiply it by both numbers.
15a+10≠15a+2
if you wanted to go further, since 15a is equivalent, just take it out.
10≠2
Need help! i have no idea how to do domain and range!!!://
Step-by-step explanation:
Dude THE Values for graph are given or not
. Mark drove 180 miles in 3 hours at
a constant speed. Let D equal the
distance traveled and t equal the time
traveled. Which of the following is
the constant of proportionality?
A) 3, as in D=3t
B) 60, as in D=60t
C) 180, as in D=180t
D) 540, as in D=540t
Answer:
d = 60t
Step-by-step explanation:
distance = d
time = t
every hour 60 miles are travelled so its 60t
referring to 60*time eg 60*3 = 180
Would you mind looking at this question?
Prices for bicycles are given below
The price of a red bike is the price of a blue bike is 2/3
The price of a green bike is 5/4
Since the price of a green bike is $210 more than the price of a blue bike, how much does a red bike cost?
A) $360 B) $440 C) $560 D)$720
Answer:
C) $560
Step-by-step explanation:
Suppose that: r=price of red bike , b=price of blue , g=price of green.
Given: r=(2/3)b g=(5/4)b g=210+b
Solution:
(5/4)b=210+b (g=g)
(5/4)b-b=210 (take b as common factor)
b((5/4)-1)=210
b(0.25)=210
b=210/0.25=$840 (so the price of blue bike is 840$)
Substitute b in equation of r:
r=(2/3)b=(2/3)(840)=560
so red bike costs $560.
pleaseeeeeeeeee i need some help here
Answer:
1st Statement: False
2nd Statement: True
3rd Statement: True
4th Statement: False
Answer:
False
True
False
True
Step-by-step explanation:
Whole numbers are 'counting numbers', they don't include decimals. (ex. 1, 2, 3) Integers are non-decimal numbers and they can be negative too. (ex. -5, 0, 4). Since whole numbers are non-decimal numbers that are greater than or equal to 1, they are all integers. So this statement is False.
Rationals numbers include all numbers that are not infinite decimals. They can be fractions as long as they are not infinite and since whole numbers cannot be fractions, this statement is True.
As with the previous statement, rational numbers can be fractions and integers cannot be fractions. So, not all rational numbers are integers so this statement is False.
Rational numbers are all numbers that are not infinite decimals, so, that includes whole numbers. This statement is also True.
20 g of copper was heated from 25°C to 80°C. How much energy was used to heat Cu? (Specific heat capacity of Cu is 0.385 J/g °C)
114°
Explanation:
ΔE = mcΔT
ΔE = 5(0.38)(80 - 20)
ΔE = 1.9(60)
ΔE = 114°
Please help ASAP!
Will try to give brainliest!
Hey!
Q19.80÷0.35= 28Therefore, he sold 28 cups of lemonade
I'm sorry, not very sure about the second one. But I think 100 maybe not!Bao sold 28 cups and spend $2.5 on 50 cups.
What are words problems?A word problem in math is a math question written as one sentence or more that requires children to apply their math knowledge to a 'real-life' scenario.
Given that, Bao is selling lemonade at $0.35 per cup.
We need to determine, number of cups he sold if he earned $9.80,
And,
Bao bought 50 paper cups for $0.50 each, how much he spent on them,
1) Let he sold x cups,
So,
0.35x = 9.8
x = 28
Therefore, he sold 28 cups.
2) Since, one cup is for $0.05 therefore,
50 cups = 50 x 0.05
= $2.5
Therefore, cost of 50 cups is $2.54
Learn more about word problem, click;
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Which of these numbers is the greatest?
0.29
0.27
0.21
0.28
Answer:
0.29
Step-by-step explanation:
greatest numberrr
What is the value of n when 2/3 of n equals 42?
For which value of theta is sine theta = negative 1?
A unit circle is shown. A radius with length 1 forms angle theta in the first quadrant.
StartFraction pi Over 2 EndFraction
Pi
StartFraction 3 pi Over 2 EndFraction
2 pi
or (A.K.A)
For which value of ∅ is sin∅ = -1?
A. /2
B.
C. 3/2
D. 2
Check the picture below.
If the sin θ is equal to the negative one then the value of the θ will be 3π / 2. Then the correct option is C.
What is trigonometry?The connection between the lengths and angles of a triangular shape is the subject of trigonometry.
A unit circle is shown.
A radius with length 1 forms angle θ in the first quadrant.
Then the sin θ is equal to the negative one. Then the value of the θ will be
sin θ = -1
Then it can be written as
θ = sin⁻¹ (-1)
θ = 3π / 2
Thus, the correct option is C.
More about the trigonometry link is given below.
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#SPJ2
Put the following list of numbers in ascending order.
1.2, 0, -0.4, -2.6, 0.8
HELP PLS!
Answer: -2.6 , - 0.4, 0, 0.8 , 1.2
Step-by-step explanation:
ascending is smallest to largest
From the extrem left of a.number line to the right
Answer:
-2.6, -0.4, 0, 0.8, 1.2
Step-by-step explanation:
Ascending order is simply the smallest number to the largest number. The smallest numbers in this set are the negative ones, and -2.6 is a smaller value than -0.4.
So far our set looks like the following:
-2.6, -0.4
Next is 0, since 0.8 and 1.2 both come after 0. After 0 would be 0.8, and 1.2 would be the largest number.
Here is the set of numbers in ascending order:
-2.6, -0.4, 0, 0.8, 1.2
please help me answer this question!!!!
Answer:
4³ and 4 · 4 · 4
Step-by-step explanation:
4³ is the same as 4 · 4 · 4 (or 4 three times).
First We Need To Solve All The Expression:-
Expression (1)[tex](4) {}^{3} \\ = 4 \times 4 \times 4 \\ = 64[/tex]
Expression (2)[tex]( {3})^{4} \\ = 3 \times 3 \times 3 \times 3 \\ = 81[/tex]
Expression (3)[tex]\: \:\: \:4 \: ·4 \: ·4 \\ = 64[/tex]
Expression (4)[tex]\: \:\: \:3 \: · \: 4 \\ = 12[/tex]
[tex] \therefore \text{We Can See \underline{Expression (1)} And \underline{Expression (3)} are same}[/tex]
Hope This Helps3. Classify the angle pair using all the names that apply.
2
Angles that are directly across from each other and created from intersecting lines are called vertical angles. Vertical angles are congruent.
Hope this helps!
Pls help me look at the picture for the question pls
Answer:
D
Step-by-step explanation:
[tex]y=-3x-14[/tex] is a function as it has:
The input (x-values)A relationship (multiply the x-value by -3 then subtract 14)The output (y-value)Linear equation in slope-intercept form: [tex]y=mx+b[/tex]
where:
m = slopeb = y-interceptTherefore, for equation [tex]y=-3x-14[/tex]
The slope is -3The y-intercept is -14So as the equation is a linear equation, its graph is a straight line.
Therefore, the only statement that is NOT true is D as the y-intercept is -14 (not 14).
help me with this problem ASAP!
Answer:
24 boards
Step-by-step explanation:
The builder is building a fence with inches wide wooden boards, arranged side-by-side with no gaps.
If the fence is 150 inches long, then there will be a certain number of wooden boards required.
Now, 1 wooden board is equivalent to 6.25 inches.
Then the number of wooden boards required to cover 150 ft. will be
Answer:
24
Step-by-step explanation:
150/6.25 = 24. one unknown so divide to move 6.25 and you get the answer.
Please help!
Find the lateral area and surface area of the given prism. Round your answer to the nearest whole number.
The lateral area of the triangular prism is: 720 in.²
The surface area of the triangular prism is: 840 in.²
What is the Lateral Area of a Triangular Prism?Lateral area of a triangular prism (AL) = (a+b+c)h
What is the Surface Area of a Triangular Prism?Surface area of a triangular prism (SA) = (Perimeter of the base × Length of the prism) + (2 × Base Area) = (S1 + S2+ S3)L + bh
a. Lateral area of a triangular prism:
a = √(17² - 15²) = 8 in.b = 15 in.c = 17 in.h = 18 in.Lateral area of triangular prism (AL) = (8 + 15 + 17)18 = 720 in.²
b. Surface area of a triangular prism:
s1 = 8 in.s2 = 15 in.s3 = 17 in.L = 18 in.b = 8 in.h = 15 in.Surface area of triangular prism (SA): (S1 + S2+ S3)L + bh = (8 + 15 + 17)18 + (8)(15) = 840 in.²
Learn more about triangular prism on:
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