3 years ago

PLZZ HELP ME THIS IS A NO RETAKE QUIZ IT WOULD BE GREATLY APPRECIATED

Mathematics

1 answer:

MariettaO [177]3 years ago

4 0

Answer:122

Step-by-step explanation:

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Give f(x)=3x-7 what is f(2)

Genrish500 [490]

You would just replace x with 2 in the part equation and solve for it. So 3(2) - 7. This is equal to -1

5 0

3 years ago

The seats at a local baseball stadium are arranged so that each row has five more seats than the row below it. If there are 4 se

nordsb [41]

Givens:

a = 4; n = 23; d = 5

Formula

L = a + (n - 1)*d

Substitute and solve

L = 4 + (23 - 1)*5

L = 4 + 22*5

L = 4 + 110

L = 114 Answer

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3 years ago

Emma went to a salon to get her hair cut. The price of the haircut is $65. She wants to leave a 20% tip. What is the total amoun

Murrr4er [49]

Answer:

She should leave a total of $78.

Step-by-step explanation:

To find this, we first need to find the tip amount. We can do this by multiplying the total by the tip percentage.

$65 * 20% = $13

Now that we have that, we need to add it to the cost.

$65 + $13 = $78

5 0

3 years ago

Three prime numbers which add up to 25

dolphi86 [110]

Answer:

7 + 11 + 11

Step-by-step explanation:

7 + 11 = 18

18 + 7 = 25

8 0

3 years ago

Solve 91 - 2 + 7k| +1 = 46

mylen [45]

Answer:

k = -6.29

Step-by-step explanation:

91 - 2 + 7k + 1 = 46

add all like terms

90 + 7k =46

subtract

90 + 7k = 46

-90 -90

------------------------

7k = -44

divide

$\frac{7k}{7}$ = $\frac{-44}{7}$ (these arent fractions thats just how i divide things :))

= -6.28571428571

round to nearest hundredth

k= -6.29

goes up to 9 because 5 makes 8 go up one when rounding

sorry for asking so many questions. hope this helps

7 0

3 years ago