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Akimi4 [234]
3 years ago
9

Given f (x) =2x-3 what is f(-15) A. -16 B. -13 C. 7 D. 30

Mathematics
1 answer:
Murljashka [212]3 years ago
5 0
Letter d is the answer.
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Derek scored a total of 34 points in the first four basketball games. If he continues to score at this rate, how many points wil
Rufina [12.5K]

Answer:

153 points

Step-by-step explanation:

Set up a proportion:

34/4 = x/18.

18/4 does not equal a whole number. So, reduce 34/4.

34/4 becomes (when divided by 2 on both the top and the bottom) 17/2.

18/2=9. 9*17=153.

3 0
3 years ago
How to set the answer up
Korolek [52]

Let s and g represents the numbers of suits and gowns produced.

The number of zippers used is 2s+g.

The number of buttons used is 5s+8g.

In order to use all of the available zippers and buttons, we must have ...

  • 2s + g = 171
  • 5s + 8g = 576

Cramer's rule tells you the solution to the system

  • ax +by = c
  • dx +ey = f

Is given by

  • x = (bf-ey)/(bd-ea)
  • y = (cd-fa)/(bd-ea)

Using this rule on the equations for zippers and buttons, we have

... s = (1·576 -8·171)/(1·5 -8·2) = -792/-11 = 72

... g = (171·5 -2·576)/-11 = -297/-11 = 27

72 suits and 27 gowns can be made from available zippers and buttons.

3 0
3 years ago
Please help !!!!picture shown
dexar [7]
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7 0
3 years ago
Question -3+13x=9.
aalyn [17]

Answer:

-3+13x=9.

13x=9+3

13x=12

x=12/13

i proved it by putting value of x in reactant side you get product .

-3+13×12/13=9

5 0
2 years ago
Read 2 more answers
Anna put $500 into a savings account and made no more deposits or withdrawals. The account earns 2% simple interest per year. Ho
castortr0y [4]

Answer:

$552.04

Step-by-step explanation:

Lauren, use the compound amount formula:  A = P(1 + r)^n.

Here P is the principal and is $500; r is the annual interest rate as a decimal fraction, and n is the number of years.

After 5 years, Anna will have:  $500(1 + 0.02)^5  =  $552.04

4 0
3 years ago
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