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3 years ago

20-4(4-3x)-7x=16-2(7-4x)

1 answer:

8 0

$20-4(4-3x)-7x=16-2(7-4x) \\ \\ 20-16+12x-7x =16 -14+8x \\ \\ 4 +5x =2 +8x \\ \\ 5x-8x=2-4 \\ \\ -3x=-2 \\ \\ 3x=2 \\ \\ \boxed{x=\frac{2}{3}}$

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You are holding a kite string in your hand. The angle of elevation from your hand to the kite is 53∘and the distance to the kite

Sophie [7]

Answer:

43 degrees F.

Step-by-step explanation:

3 0

4 years ago

Use a graphing calculator or other technology to answer the question.

WITCHER [35]

Using a calculator and considering the given data, the quadratic regression equation that best fits the given data is:

y = -0.002x² - 2.051x + 31.179

<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 of quadratic regression.

In this problem, the points to be inserted are as follows:

(0, 31), (1,29), (2, 28), (4,22), (6,19), (10, 11), (11,8).

Inserting these points, the equation is given by:

y = -0.002x² - 2.051x + 31.179

More can be learned about regression equations at brainly.com/question/27895782

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2 years ago

Find two numbers, if …<br> Their sum is 3 and their difference is 21<br> PLZ

Semenov [28]

X+y=3
x-y=21

x=3-y

3-y-y=21
-2y+3=21
-2y=18
y=-9

x = 3-(-9) = 12

Two numbers are 12 and -9.

Hope this helps.

7 0

4 years ago

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Lerok [7]

Answer:.41 and also take down all thoses tabs theyll mess up your computer

Step-by-step explanation:

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3 years ago

Last season, a softball team played 18 games. The team won 15 of these games. What is the ratio of the softball team's wins to i

Lilit [14]

Answer:

Step-by-step explanation:

Given the total number of games played by the softball team = 18 games

Total games won = 15 games

Ratio of the softball team's wins to its total number of games played can be gotten by simply dividing the total games won by the total games played

Ratio = $\frac{total \ teams's win}{total\ number\ of \ games\ played}$

$Ratio = \frac{15}{18}$

Expressing the ratio in its lowest term

$Ratio = \frac{3*5}{3*6} \\\\Ratio = \frac{5}{6}$

Hence, the ratio of the softball team's wins to its total number of games played is 5:6

8 0

4 years ago