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larisa86 [58]
2 years ago
12

Knowing that the result of expanding (x+a)(x-6) is x²+mx-48, find the values ​​of a and m.​

Mathematics
1 answer:
Citrus2011 [14]2 years ago
6 0

We know -48 came from (a)(-6), the "L" in "FOIL".

If -48 = -6a, then a = 8.

Now with a=8, go ahead and FOIL (x+8)(x-6) to find m.

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In 2020, there were about 260 million gas powered cars on the road. This number isexpected to decrease at a rate of 1.1% per yea
Amanda [17]

This is an equation of exponential decay

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t is the time in years

b is found by taking 1 and subtracting the percent it decreases in decimal form

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y(t) = 260 million * ( 1- .011) ^ 4

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Rounding to a whole number

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6 0
1 year ago
Nineteen less than 6 times a number is the same as 16 more than the number. The equation is The solution is x -7 7.​
Crank

Answer:

The number is 7

Step-by-step explanation:

let the said number be x

Nineteeen less than 6 times a number;

6x - 19

equals; 16 more than the number; this is 16 + x

Thus;

6x - 19 = 16 + x

6x-x = 16 + 19

5x = 35

x = 35/5

x = 7

3 0
3 years ago
What is the area of the partial circle with a radius of 8 cm? Use 3. 14 for pi.
Olegator [25]
  • Radius=r=8cm

\\ \tt\hookrightarrow Area=\pi r^2

\\ \tt\hookrightarrow Area=\pi 8^2

\\ \tt\hookrightarrow Area=64\pi

\\ \tt\hookrightarrow Area=64(3.14)

\\ \tt\hookrightarrow Area=200.96cm^2

8 0
2 years ago
Read 2 more answers
Please help me graph
Anika [276]
(x, y) = (-3, 4) hope this helps!
6 0
3 years ago
Which decimal number is equal to 318 ? 0.167 0.16¯ 0.16¯¯¯¯ 0.167¯¯¯¯¯
skad [1K]

Answer:

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.16(would be repeating)

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hope this helps!

7 0
3 years ago
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