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2 years ago

The graph below shows a line of best fit for the number of workers needed for different construction projects.

Mathematics

2 answers:

yawa3891 [41]2 years ago

8 0

Answer:

D. 10

Step-by-step explanation:

Ymorist [56]2 years ago

6 0

D. 10 Jahre später wurde das Team von der deutschen Meisterschaft in den Jahren nach der 10

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What's the sum off 663 and 23

vlada-n [284]

Answer: 686

Step-by-step explanation: 663 + 23 = 686

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2 years ago

5 - 4k = -7<br> please help

Lina20 [59]

Answer:

k = 1.75

Step-by-step explanation:

5 - 4k = -7

k = 1.75, because if you subtract 4 from both sides, you are left with 1.75 = -7.

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1 year ago

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Find the value of y.

Phoenix [80]

$\boxed{y=6\sqrt{3}}$

<h2>Explanation:</h2>

For a better understanding of the problem I've built up two triangles from the given triangular shape. So these two triangles are similar. Therefore, we can solve this problem by using ratios and corresponding sides in this way:

$\frac{x}{3}=\frac{12}{x} \\ \\ x^2=36 \\ \\ x=\sqrt{36} \\ \\ x=6$

But our goal is to find y. Let's call w the height of the small triangle, then:

$w=\sqrt{6^2-3^2}=3\sqrt{3}$

Applying the concept of ratios again:

$\frac{y}{w}=\frac{x}{3} \\ \\ y=w \left(\frac{x}{3}\right) \\ \\ y=3\sqrt{3}\left(\frac{6}{3}\right) \\ \\ \boxed{y=6\sqrt{3}}$

<h2>Learn more:</h2>

Right triangle: brainly.com/question/10684799

#LearnWithBrainly

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3 years ago

Radical functions are the inverse functions of exponential functions. <br> A.true <br> B.false

dybincka [34]

Logarithmic functions are the inverses of exponential functions. The inverse of the exponential function y = ax is x = ay. The logarithmic function y = logax is defined to be equivalent to the exponential equation x = ay. y = logax only under the following conditions: x = ay, a > 0, and a≠1.

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3 years ago

$2.95 notebooks; 5% tax

dimaraw [331]

Turn 5% into a decimal which is 0.05, then multiply by 2.95 = 0.1475
round it off, which is 0.15
so $0.15 is the tax and if ur looking for the total price then add $2.95 to $0.15

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3 years ago

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