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3 years ago

Help!!! pre cal! willl give points

Mathematics

1 answer:

RoseWind [281]3 years ago

5 0

Answer:

1.6

Step-by-step explanation:

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7. If f(x) = -8x +11, find f(-4).

kobusy [5.1K]

Answer:

Step-by-step explanation:

f(x) = -8x +11, for f(-4).

= -8(-4)+11

= 32 + 11

= 43

3 0

2 years ago

Read 2 more answers

Sam invests $6000 in two different accounts. The first account paid 12 %, the second account paid 7 % in interest. At the end of

Lunna [17]

Answer:

The amount in the account at 12% interest is $3400 and the amount in the second account at 7% interest is $2600

Step-by-step explanation:

Let x be the amount in the account at 12% interest

So, 6000-x is the amount in the second account at 7% interest

$SI = \frac{P \times T \times R}{100}$

First account: $SI=\frac{x \times 1 \times 12}{100}$

Second account : $SI =\frac{(6000-x) \times 1 \times 7}{100}$

We are given that At the end of the first year he had earned $590 in interest.

So, $\frac{x \times 1 \times 12}{100}+\frac{(6000-x) \times 1 \times 7}{100}=590\\x=3400$

So,the amount in the account at 12% interest is $3400

The amount in the second account at 7% interest =6000-x=6000-3400=2600

Hence the amount in the account at 12% interest is $3400 and the amount in the second account at 7% interest is $2600

8 0

3 years ago

Fractions equivalent to -2/-3

Amanda [17]

Answer:

2/3, 4/6, -4/-6... gtg sorry if you needed more

Step-by-step explanation:

7 0

2 years ago

A box contains 8 yellow, 3 orange and 5 purple candies. A tray contains 7 red, 4 blue and 9 orange drinks. If Asia chooses one c

gayaneshka [121]

Okay so we have to first find the total.
8+3+5= 16 candies
7+4+9= 20 drinks
Since she wants to get a yellow candy and any drink but orange, put that information as a fraction.
8/16= 50% or 1/2
11/20= 55% (By the way you get 11 because of the 7 red and 4 blue).
And that's your answer!
Hope this helped and good luck! ^=^

7 0

3 years ago

= 8 cm, height = 67 cm.

zavuch27 [327]

Answer:

Step-by-step explanation:

8cm=67-8

5 0

3 years ago