What is the answer of 7 copies of the sum of 8/5 + 4

Answers

Answer 1

Answer: To solve (8/5 + 4)7, you first have to add 8/5+4. But you cannot simply add the too because they have to be in a common denominator 'form'. To do that, we find a common denominator which is 5. We then multiply 4/1 by 5.
8/5 + 4/1= 8/5 +20/5.
Now you can solve; 8+20= 28. You leave the denominator as 5.
You get 28/5 and now you have to multiply it by 7/1. Another of saying 28/5 is 5 3/5. So 5 3/5 x 7/1= 39 2/10 (final answer)

Answer 2

Answer:

Answer:

39 2/10

...I think

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Find the volume of each figure. Be sure to include the units, and circle or box your answers.
1)
4 in
2)
12 m
10 m
2 in
2 in
2 in
2 in
3)
4 ft
4)
10 yd
8 yd
6 yd
8m
6m
9 yd
5 ft
12 ft
5)
11 m
6)
4 ft
12 ft
12 ft
4 ft
2 ft
10 m
4m
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Worksheet by Kuta Software LLC

7)
7 ft
8)
8 m
3m
4m
9)
12 in
9 in
9 in
10)
11 mi
8 ft
6 ft
5m
10 ft
12 in
12 in
11)
12)
6 mi 6 mi
8 mi
8 mi
10 in
10 in
3 in
7 in
5 mi
6 mi
3 in
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6 mi
Worksheet by Kuta Software LLC

Answers

Not sure because I don’t see the figures I’m supposed to find the volume of

the kinetic energy of a moving object can be calculated from the expression 1/2mv[2], where m is the mass of the object in kilograms and v is its speed in meters per second. find the kinetic energy of a 145-kg baseball that is thrown at a speed of 40 meters per second

Answers

So, we plug the values back into the formula. 1/2(145)(40)^2

First we square velocity, so it will be: 1600.

Then 1600*145 = 232000

Divide this by 2, so: 116,00

So, the kinetic energy would be 116,000.

rug area 122.12 sq ft, the rug is 8.7 ft wide. To the nearest hundredth, how many feet long is the rug?

Answers

Area of a rectangle formula: A=LW

substitute the values in:
122.12=L(8.7)

Solve for L. Divide by 8.7 to isolate L.

L≈14.04 feet

How do you solve 60x4 - tens x4

Answers

Well what u do is that u do 60 x 4 which is 240 and now just do 240 x 10 which is going to be 2400.
Hope this helps

I have no idea how to do this: Slope= -3, y-intercept= -1 its slope-intercept formSlope= -2, y-intercept= -4

Through: (-3,2) , slope=-1/3

Through: (3,2) and (0,-5)

x-5y-5=0

Answers

Slope-intercept form is $\sf~y=mx+b$ , where $\sf~m$ is the slope and $\sf~b$ is the y-intercept.

Slope = -3, y-intercept = -1

Plug in what we know:

$\sf~y=mx+b$

$\sf~y=-3x-1$

Slope = -2, y-intercept = -4

Plug in what we know:

$\sf~y=mx+b$

$\sf~y=-2x-4$

Through: (-3,2) , slope=-1/3

Okay, here we use point-slope form, and the simplify to get it in slope-intercept form.

$\sf~y-y_1=m(x-x_1)$

Where $\sf~y_1$ is the y-value of the point, $\sf~x_1$ is the x-value of the point, and $\sf~m$ is the slope.

Plug in what we know:

$\sf~y-2=-(1)/(3)(x+3)$

Distribute -1/3 into the parenthesis:

$\sf~y-2=-(1)/(3)x-1$

Add 2 to both sides:

$\sf~y=-(1)/(3)x+1$

Through: (3,2) and (0,-5)

Now we plug this into the slope-formula to find the slope, plug the slope and one of these points into point-slope form, then simplify to get it in slope-intercept form.

$\sf~m=(y_2-y_1)/(x_2-x_1)$

(3, 2), (0, -5)
x1 y1 x2 y2

Plug in what we know:

$\sf~m=(-5-2)/(0-3)$

Subtract:

$\sf~m=(-7)/(-3)$

$\sf~m=(7)/(3)$

Plug this into point-slope form along with any point.

$\sf~y-y_1=m(x-x_1)$

$\sf~y-2=(7)/(3)(x-3)$

Distribute 7/3 into the parenthesis:

$\sf~y-2=(7)/(3)x-7$

Add 2 to both sides:

$\sf~y=(7)/(3)x-5$

x-5y-5=0

Add 5 to both sides:

$\sf~x-5y=5$

Subtract 'x' to both sides:

$-5y=-x+5$

Divide -5 to both sides:

$\sf~y=(1)/(5)x-1$

Someone help asap!!!

Answers

Answer:

-25n - 2

Step-by-step explanation:

-2(-5n+6)+5(2-7n)

10n-12+10-35n

Combine like terms

10n-35n-12+10

-25n - 2

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