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3 years ago

T=3 and t=5 to determine if the expression 4(t+3) and 4 t+12 are equivalent

Mathematics

1 answer:

Mademuasel [1]3 years ago

7 0

No they’re not equivalent because 4(t+12) =68 and 4t+12=32

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You will have 12 quarters and 7 dimes which equal 3 . 70
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3 years ago

The functions f and g are defined by f: x = 4 - x and g: x = hx² + k. If the composite function gf is given by gf: x + 2x² - 16x

kozerog [31]

Answer:

Step-by-step explanation:

f(x) = 4-x

g(x) = h $x^{2}$ +k

g(f(x)) = 2 $x^{2}$ -16x+26

so put f(x) in g(x)

h $(4-x)^{2}$ +k

h((4-x)(4-x) + k

h( $x^{2}$ -8x+16)+k

if h = 2 , then

2 $x^{2}$ -16x+32 + k

and we want 26 instead of 32 so subtract 6 so K = (-6)

2 $x^{2}$ -16x+32 + (-6)

2 $x^{2}$ -16x+32 - 6

2 $x^{2}$ -16x+26

h=2

k=(-6)

5 0

2 years ago

Which of the following is the best for 9 8/9 minus 4 8/15

eduard

Answer:

Hi there!

The correct answer to this question is: 97/15

Step-by-step explanation:

First step is to change all the mixed fractions into improper fraction.

9 8/9 becomes 99/9 and 4 8/15 becomes 68/15

then you divide 99/9 you get 11. then you multiply 11 with 15 to get a common denominator. so now the equation is 165/15 - 68/15 which equals 97/15

5 0

3 years ago

How to turn 21 ÷4 into a mixed fraction

Debora [2.8K]

Answer:

5 1/4

Step-by-step explanation:

4/21, This is an improper fraction right now.

Find out how many times 4 goes into 21.

This is 5 times with a remainder of 1.

Put 1 back over 4.

Your answer is 5 1/4.

7 0

3 years ago

Following an experiment, Jamie estimates that his probability of making a three-pointer with a basketball is 0.8. If he shoots 1

Vinvika [58]

Multiply the Number of attempts with the probability
160 * 0.8 = 128 attempts made (c)

6 0

3 years ago

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