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Naily [24]
3 years ago
15

What is the slope of y+3=-4(x+7)

Mathematics
1 answer:
katovenus [111]3 years ago
5 0

Answer:

y = -4x - 31

Step-by-step explanation:

y + 3 = -4(x + 7)

y + 3 = -4x - 28

   -3           -3

y = -4x - 31

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A 13 ​-ft ladder is leaning against a house when its base starts to slide away. By the time the base is 12 ft from the​ house, t
VARVARA [1.3K]
I think the answer is B because all the air other answers are incorrect
8 0
2 years ago
The area of a triangle whose height is 1 more than 6 times it’s base is 13 square feet. If the base of the triangle is x feet wh
fredd [130]
Area of a triangle: A= 1/2(base)(hieght)

base=x
height= 6(base)+1= 6x+1

13= 1/2 × (x)(6x+1) 
(get rid of 1/2 by multiplying each side by 2)
26= (x)(6x+1)
26= (x × 6x)= 6x² (x × (+1))= x
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Are either of those the answers? If not, list the options and I will be able to tell you which one is correct. Hope this helped!

5 0
3 years ago
Pi x 5 what do you do with this I do not understand
qaws [65]
You would be multiplying pi (3.14) by the number 5
5 0
4 years ago
1. What is the average rate of change of the function f(x)=5(2)^x from x = 1 to x = 5?
Gnom [1K]

Answer:

The last one is B.

Step-by-step explanation:


4 0
3 years ago
The approximate molar concentration of several chemicals are given. Find the pH of each use the calculator and round to the near
mojhsa [17]

Answer:

pH = 13 --- Oven Cleaner

pH = 6.2 --- Water

pH =7.4 --- Blood

pH = 2.2 --- Vinegar

Step-by-step explanation:

The given molar concentration are:[Missing from the question]

Oven Cleaner: [h+] = 10^{-13}

Water: [h+] = 0.0000007

Blood: [h+] = 0.00000004

Vinegar: [h+] = 0.0063

Required

Determine the pH

pH is calculated using:

pH = -\log(h+)

So, we have:

Oven Cleaner:

pH = -\log(10^{-13})

Using a calculator, we have:

pH = 13

Water:

pH = -\log(0.0000007)

Using a calculator, we have:

pH = -1*-6.2

pH = 6.2

Blood:

pH = -\log(0.00000004)

Using a calculator, we have:

pH = -1 * -7.4

pH =7.4

Vinegar:

pH = -\log(0.0063 )

Using a calculator, we have:

pH = -1 * -2.2

pH = 2.2

4 0
3 years ago
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