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olchik [2.2K]
3 years ago
15

For f(x) = 5x +1 , find f(-4)

Mathematics
2 answers:
olganol [36]3 years ago
7 0
<span>For f(x) = 5x +1 , find f(-4)
f(-4) = </span>5(-4) +1 = -19

answer
A, -19
deff fn [24]3 years ago
3 0

Answer:

f(-4) = - 19.

Step-by-step explanation:

Given  :  f(x) = 5x +1 .

To find : find f(-4)

Solution : We have given  f(x) = 5x +1 .

For x = -4 .

Plugging the value of x in expression  f(x) = 5x +1 .

f(-4) = 5 (-4) + 1 .

f(-4)= - 20+ 1 .

f(-4) = - 19.

Therefore,f(-4) = - 19.

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Bernice estimated that 69% of 242 is 168. Is her estimate reasonable?
ycow [4]
Her estimate is not reasonable.

Since she estimated 69%, you could do either of these options. You could...
A. Divide 242 (or .5) to show how much half off would be, then compare her estimate with half of 242 (121). OR...
B. Simply divide 242 by 69% (.69) and compaor her estimate to the exact amount (166.98).

I hope this helps!
6 0
3 years ago
Anita invested $6000, some at 5% and the rest at 6%. If the yearly income is $337.50, what is the amount invested at each rate?
Pepsi [2]

Let the amount invested with 5% interest be x

Therefore, the amount invested with 6% interest will be (6000-x)

It is given that the total interest earned yearly is $337.5. Thus, the equation of interest will be:

\frac{5}{100}x+\frac{6}{100}(6000-x)=337.5

Multiplying both sides by 100 we get:

5x+6(6000-x)=33750

5x+36000-6x=33750

Subtracting both sides by 36000 we get:

-x=-2250

\therefore x=2250

Thus, the amount invested at 5% is $2250

Therefore, the amount invested at 6% will be $(6000-2250)=$3750

6 0
3 years ago
How do i Write in Digits the fifty five hundredths​
grandymaker [24]

fifty five hundredths is equal to 0.55

6 0
2 years ago
Read 2 more answers
The area of a garden is 8 3/4 square yards. If the lenght is 1 1/4 yards , what is the length?​
andrezito [222]

Answer:

The Missing Length = 7

Step-by-step explanation:

Equation: side length x side length = area

  • This means that if you divide the area by one of the side lengths, you'll find the other

1.  Convert the numbers into decimals

  • 8 3/4 -  8.75 (area)
  • 1 1/4  = 1.25 (side length)

2. Divide the <u>area</u> by the <u>side length</u>

  • 8.75 ÷ 1.25 = <u>7</u>

<u></u>

<u>7</u> is the answer.

6 0
2 years ago
Which could be the length of Side KL?
Kay [80]
I don’t know the answer to that one sorry
6 0
3 years ago
Read 2 more answers
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