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ollegr [7]
3 years ago
9

What is an equation of the line with slope -4/5 and y-intercept 7?

Mathematics
1 answer:
Lemur [1.5K]3 years ago
6 0

Answer:

The equation's formula:

y - y1 = m(x - x1) \\

Remember that y intercept's x coordinate=0

So:

y - 7 =    -  \frac{4}{5} (x - 0) \\ y - 7 =  -  \frac{4}{5} x \\ y =  -  \frac{4}{5} x + 7 \: or \: y =  - 0.8x + 7

Good luck!

Intelligent Muslim,

From Uzbekistan.

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A cereal box is a rectangular prism that is 8 inches long and 2 1/2 inches wide. the volume of the box is 200 inches cubed. what
Archy [21]
You have to multiply 8 and 2 1/2 which is 20. Then divide 20 and 200. Then you get 10 and that is your answer.
8 0
3 years ago
Tim added two fractions with denominators of 4 but with different numerators. The sum was 3 over 4. Which two fractions did Tim
puteri [66]

Answer:

It could be 2/4+1/4

2+1=3 and they both have a denominator of 4

4 0
3 years ago
PLEASE HELP ITS OVERDUE PLEASE I NEED HELP!!
IgorLugansk [536]

Answer:

First question: Choice A

second question:Choice D

Third question: Choice c

Fourth question: Choise b

5th Question: choice b

5 0
2 years ago
A rectangular field is 95 meters long and 65 meters wide. Give the length and width of another rectangular field that has the sa
Lena [83]

Answer:

There are a ton of answers. For instance, 1m by 159m.

Step-by-step explanation:

The formula for the area is a=l*w, where l and w are constants.

The formula for perimeter is p=2l+2w

The question wants another rectangle that has the same perimeter, but a smaller area.

The perimeter of the two fields has to be:

p=(2*95)+(2*65)\\p=190+130\\p=320

Thankfully, the question never specified how much smaller the area has to be. So let's go to the logical extreme and make it 1 meter wide. To conserve the perimeter, we'd have to add the removed 64 meters to the original 95 meters of length, resulting in a rectangle with a width of 1m and a length of 159m. This results in an area of exactly 159 m^{2}. The original rectangle had an area of 6175m^{2}. Mission accomplished!

But why stop there? Let's go even further down this rabbit hole!

Instead of 1, why don't we take it several steps further and use 0.0000001? At that point, the length would end up being  159.9999999m.

The area would be 0.00001599999999 m^{2}.

Let's go further!!

Width: 0.00000000000000000001

Length: 159.99999999999999999999

Area: 0.00000000000000000001599999999999999999999 (approximate).

One more, for old time's sake.

Width: 0.00000000000000000000000000000000000000000000000001m

Length: 159.99999999999999999999999999999999999999999999999999m

Area: 0.00000000000000000000000000000000000000000000000015999999999999999999999999999999999999999999999999999 m^{2}

At that point, there's so little area in the plot of land that you could claim it has no area!

5 0
3 years ago
Given the equation y − 4 = three fourths(x + 8) in point-slope form, identify the equation of the same line in standard form
Ahat [919]

Answer:

-3x + 4y = 40.

Step-by-step explanation:

Let's convert the equation to standard form:

y - 4 = 3/4(x + 8)

y - 4 = 3/4 x + 6

y = 3/4x + 10

Multiply through be 4:

4y = 3x + 40

-3x + 4y = 40 (answer).

4 0
3 years ago
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