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nasty-shy [4]
3 years ago
12

If (x + 7) is a factor of f(x), what is the value of f(-7)?

Mathematics
1 answer:
rewona [7]3 years ago
7 0

Answer:

The answer is 0.

Step-by-step explanation:

Simply plug in -7 for x as they want to see what the value of the function is when x=-7.

You can then just add -7 and 7.

7 + -7 = 0

So the answer is 0

You might be interested in
You have a 20 % total purchase coupon . You total is $134.22 if you use the coupon what does your total is $134.22 if you use th
Romashka-Z-Leto [24]

Answer:

$107.38

Step-by-step explanation:

 FIRST WAY:

Since you have a 20% discount, that is equivalent to two-tenths of $134.22

 Step 1: find the discount.

   0.2 x 134.22 = 26.844 (round to 26.84)

Now that you have the discount, simply subtract that discount from your original price.

 Step 2: find the final price.

   $134.22 - $26.84 = $107.38

 SECOND WAY:

A faster way to solve problems like this is to find the percentage of cash you are going to pay with the coupon. To do so, simply convert your percentage value to its corresponding decimal value relative to the original.

<em>Layman's terms: just subtract the 20% from 100% to get 80%.</em>

 Step 1: find the percentage to be paid.

   100% - 20% = 80% OR 1 - 0.2 = 0.8

Now that you have the percentage you need to pay, just multiply that percentage by the original amount.

 Step 2: find the final payment.

   $134.22 x 0.8 = $107.38

 

3 0
3 years ago
How to write 147,300,000 in one million more
finlep [7]
Just add 1437,300,000 plus one million easy
8 0
3 years ago
Given 16 = −5 + z4solve for z
AysviL [449]
Hi,

16 = - 5 + z4 \\ - 4z + 16 = - 5 \\ - 4z = - 5 - 16 \\ - 4z = -21

Now just divide both sides of equation by -4.

z = \frac{21}{4}

Simplify:

z = 5 \frac{1}{4} \: \: \: \: \: \: \: \: \: \: \: \: \: fraction \: result

Decimal form:

z = 5.25 \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: decimal \: result

Hope this helps.
r3t40
8 0
3 years ago
Read 2 more answers
What is the ratio for the volumes of two similar cylinders, given that the ratio of their heights and radio is 2:3?
gtnhenbr [62]
The answer will be a because they are similar and by law the ratio can be cubed to find ratio of volume
6 0
3 years ago
Find the value of this expression if x = 3<br> and y = -1.<br> xy²<br> 5
kap26 [50]

Answer:

<h2><em><u>0.6 = 6/10 = 3/5 is the answer.</u></em></h2>

Step-by-step explanation:

0.6 = 6/10 = 3/5

is the answer

This is because you have to substitute.

Given:

x = 3

y = -1

Unknown:

Final Answer

(x*y^2)/5

((3)(-1*-1)/5

= (3*1)/5

<h2><em><u>= 3/5</u></em></h2><h2><em><u>= 6/10</u></em></h2><h2><em><u>= 0.6</u></em></h2><h2><em><u></u></em></h2>

Hope this helped,

Kavitha

6 0
3 years ago
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