3 years ago

Expand and simplify (x+8)(x+1)

Mathematics

1 answer:

viva [34]3 years ago

5 0

It's already expanded but it looks like this when simplified you can distribute so x squared + 8x

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If f(x) = 5x + 40, what is f(x) when x = –5? –9 –8 7 15

Gnoma [55]

Hi,

$f(x)=5x+40\\\\f(-5)=5\times(-5)+40=-25+40=15\\f(-9)=5\times(-9)+40=-45+40=-5\\f(-8)=5\times(-8)+40=-40+40=0\\f(7)=5\times7+40=35+40=75\\f(15)=5\times15+40=75+40=115$

5 0

4 years ago

Read 2 more answers

Help me with this please.

WITCHER [35]

Answer:

the answer should be B

Step-by-step explanation:

take the total of people who got the flu(63) and the amount of them who were vaccinated(35) and write it as a fraction. 35/63 in its simplest form is 5/9

8 0

3 years ago

Given that ∠Ф = 180°, determine the numerical value of this function.

Rudiy27

Answer:

The answer to your question is 3. 0

Step-by-step explanation:

For an angle of 180°:

- hypotenuse = 1

- Adjacent side = 1

- Opposite side = 0

Then, sin Ф = $\frac{Opposite side}{Hypotenuse}$