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Ne4ueva [31]
3 years ago
15

Which equation could be true ?

Mathematics
1 answer:
s344n2d4d5 [400]3 years ago
4 0

Answer:

first one

Step-by-step explanation:

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The point-slope form of the equation of the line that passes through (–5, –1) and (10, –7) is y + 7 = (x – 10). What is the stan
Crank

Answer:

<h3>2x + 5y = –15.</h3>

Step-by-step explanation:

We are given coordinates of the line passed through (–5, –1) and (10, –7) .

Applying slope formula,

Slope=\frac{y_2-y_1}{x_2-x_1}

\left(x_1,\:y_1\right)=\left(-5,\:-1\right),\:\left(x_2,\:y_2\right)=\left(10,\:-7\right)

Therefore,

m=\frac{-7-\left(-1\right)}{10-\left(-5\right)}

m=-\frac{2}{5}

Therefore, slope is m=-\frac{2}{5}.

Applying point-slope form y-y_1=m(x-x_1), we get

y+7 = -\frac{2}{5}(x-10)

y+7=-\frac{2}{5}(x-10)

On multiplying both sides by 5, we get

5(y+7)=5\times-\frac{2}{5}(x+1)

5y+35=-2(x-10)

5y+35=-2x+20

Adding 2x on both sides, we get

5y+25+2x=-2x+20+2x

2x+5y+35=20

Subtracting 35 from both sides, we get

2x+5y+35-35=20-35

2x+5y=-15.

Therefore, required equation is :

<h3>2x + 5y = –15.</h3>
6 0
3 years ago
5. Complete the following statement. Write your answer as a decimal or
Finger [1]

Answer:

20% or . 2

Step-by-step explanation:

To understand how to solve, you have to understand that 14 can go into 70 (X) amount of times, this is how percentages work. To find how many times 14 goes into 70, you divide 14/70 = .20

Since 14 is 20% of 70, you can multiply 14 by 5 and it equals a 100% of 70, or just 70 itself. Hope this helped

6 0
2 years ago
Solve.<br><br> 3x + 2y = 7 and<br><br> 4x – 3y = -2
lapo4ka [179]

just look up math papa algebra calculator it gives you the answer and explains it step by step :)

4 0
3 years ago
Read 2 more answers
Consider:
astraxan [27]

Answer:

C

Step-by-step explanation:

6 0
3 years ago
A patient was ordered to receive 2 pints of blood via a transfusion. How much blood is to be transfused in milliliters?
vagabundo [1.1K]

Answer:

2 pints of blood =946mililiters

Step-by-step explanation:

1 Pint =473mililters

so either 473+473=

or 473x2

2 pints of blood =946mililiters

6 0
3 years ago
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