2 years ago

Questlon 5 of 30

Mathematics

1 answer:

Eva8 [605]2 years ago

5 0

Answer:

(B)

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Step-by-step explanation:

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Whats 2(4k+3)-13=2(18-k)-13 solve

Tju [1.3M]

Answer:

k=3

Step-by-step explanation:

2(4k+3)−13=2(18−k)−13

(2)(4k)+(2)(3)+−13=(2)(18)+(2)(−k)+−13

8k+6+−13=36+−2k+−13

(8k)+(6+−13)=(−2k)+(36+−13)

8k+−7=−2k+23

8k−7=−2k+23

8k−7+2k=−2k+23+2k

10k−7=23

10k−7+7=23+7

10k=30

10k/10=30/10

k=3

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2 years ago

4+x/ 4-x<br> Using quotient rule differentiate with respect to x

oee [108]

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2 years ago

Need help use screenshot(SAT Prep) In △ABC, AB = BC = 20 and DE ≈ 9.28. Approximate BD. bd equals?

Lilit [14]

Answer:

5.36

Step-by-step explanation:

Given that:

<BAD = <CAE, therefore, BD = EC

Let's take x to be the length of BD = EC

BD + DE + EC = BC

BC = 20,

BD = EC = x

DE ≈ 9.28

Thus,

x + 9.28 + x = 20

x + x + 9.28 = 20

2x + 9.28 = 20

Subtract 9.28 from both sides

2x + 9.28 - 9.28 = 20 - 9.28

2x = 10.72

Divided both sides by 2 to solve for x

$\frac{2x}{2} = \frac{10.72}{2}$

$x = \frac{10.72}{2}$

$x = 5.36$

BD ≈ 5.36

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3 years ago

Identify the class width,class midpoints, and class boundaries

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Answer:

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Step-by-step explanation:

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3 years ago

Yuki walked and ran for 3 1/4 hours at an average of 4 miles per hour. How far did she go?

ch4aika [34]

Answer:

13 miles

Step-by-step explanation:

3 1/4 can be changed to 3.25

Then multiply 3.25 (the time) and 4 (the distance per hour) to get 13.

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2 years ago

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