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3 years ago

I need help with this

Mathematics

2 answers:

GarryVolchara [31]3 years ago

6 0

If you Are on Week 4 you would read 9 Chapters, meaning you would have read 12 chapters on the 5th Week!
~Izzy~

zhuklara [117]3 years ago

3 0

A. 9 because she reads 2 additional chapters per week

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The formula that relates the length of a ladder, L, that leans against a wall with distance d from the base of the wall and the

Brrunno [24]

We will use the Pythagorean theorem to determine the height: $h^{2}=15^{2} - 3.5^{2}$ $h^{2} =225 - 12.25=212.75$ Finally: $h= \sqrt{212.75}=14.5859$
Answer Ladder will reach the height of 14.59 feet ( to the nearest hundredths).

3 0

3 years ago

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Weight varies directly with gravity. Buzz Aldrin weighed 150 pounds

Maru [420]

Answer:

240

Step-by-step explanation:

Set up a proportion:

$\frac{150}{30}$ = $\frac{x}{48}$

Cross multiply:

30x = 7200

x = 240

So, the person would weigh 240 pounds on Earth

7 0

4 years ago

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Select the equivalent expression.

olasank [31]

Answer:

Answer Choice 'A' would be correct.

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3 years ago

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a computer company uses the function f(h) =50h+75 to calculate the total repair bill, f(h) for h numbers of hours worked find h

aivan3 [116]

The answer is four because it's 275-75 divided by fifty

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3 years ago

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Quick algebra 1 question for 25 points! <br><br><br><br>Only answer if you know the answer, Tysm!

kykrilka [37]

Using a quadratic regression equation, it is found that the prediction of the number of songs that Kimberly will download on Month 9 is of:

c. 16.

<h3>How to find the equation of quadratic regression using a calculator?</h3>

To find the equation, we need to insert the points (x,y) in the calculator.

In this problem, we have that the function initially decreases, then it increases , which means that it is a quadratic function. The points (x,y) to be inserted into the calculator are given as follows:

(1,8), (2,6), (4,5), (6,7), (7,9)

Inserting these points into the calculator, the prediction of y for a value of x is given as follows:

y = 0.391x² - 2.937x + 10.455

Hence, when x = 9, the prediction is:

y = 0.391 x 9² - 2.937 x 9 + 10.455

y = 15.69

Rounded to 16, hence option c is correct.

More can be learned about a quadratic regression equation at brainly.com/question/24028025

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8 0

2 years ago