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3 years ago

How do u solve for x and y

Mathematics

1 answer:

Bad White [126]3 years ago

6 0

For this question you must know about 45 45 90 triangles and 30 60 90 triangles and their special properties first you have to find the hypotenuse of the 45 45 90 triangles which is always square root of two times a leg in this case 10. so now you have 10squareroot2 the longer leg is sqare root 3 times the shorter leg in a 30 60 90 triangle
x=10squareroot6
and y is 2 2 times larger than the shorter side
y=20squareroot3

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The wholesale price for a chair is 194$ . A certain furniture store marks up the wholesale price by 35%. Find the price of the c

pishuonlain [190]

The price of the chair will be 261.9 $ .

One percent (symbolized 1%) is a hundredth part; thus, 100 percent represents the entirety and 200 percent specifies twice the given quantity. For example, 1 percent of 1,000 chickens equals 1/100 of 1,000, or 10 chickens; 20 percent of the quantity is 20/100 1,000, or 200.

If we say, 5%, then it is equal to 5/100 = 0.05.

To solve percent problems, you can use the equation, Percent · Base = Amount, and solve for the unknown numbers. Or, you can set up the proportion, Percent = , where the percent is a ratio of a number to 100. You can then use cross multiplication to solve the proportion.

Based on given conditions formulate

x = 194 ×(35%+1)

x= 194 ×1.35

x = 261.9 $ .

Thus The price of the chair will be 261.9 $ .

To know more about percentage.

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4 0

1 year ago

If 3✖️/4 =7 ➖x/3,then x=

den301095 [7]

3x/4 = 7 - x/3 -> multiply both sides by 3

9x/4 = 21 - x -> multiply both sides by 4
9x = 84 - 4x
13x = 84
x = 84/13

7 0

3 years ago

Listed below are the budgets (in millions of dollars) and the gross receipts (in millions of dollars) for randomly selected movi

xz_007 [3.2K]

Answer:

The answers are below

Step-by-step explanation:

1. H0: rho = 0

H1: rho not equal to 0

2. I will add the scatter plot as an attachment

3. ΣX = 523,

ΣY = 1055

ΣX² = 46023

ΣY²= 430407

ΣXY = 111448

n = 7

The correlation coefficient r =

r = 7(111448)-(523)(1055)/√7(46023)-(523)² × √7(430407)-(1055)²

r = 780136-551765/√322161-273529√3012849-1113025

= 228371/220.53*1378.34

= 228371/303965.32

r = 0.751

4. Test statistics

t = r√n-2/√1-r²

= 0.751√5/√0.5640

= 1.679/0.660

= 2.543

5. P value

Degrees of freedom n-2 = 5

T dist(2.543,5,2)

The p value is less than 0.05 so we reject null hypothesis. There is enough evidence to show a linear correlation between budgets and gross receipts.

8 0

3 years ago

In 1999, an estimated 850,000 U.S. students between the ages of 5 and 17 were being homeschooled. By 2014, the number of homesch

Ugo [173]

Answer:. Increased

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

Which is the correct way to model the equation 5x+6= 4x+(-3) using algebra tiles?

Ne4ueva [31]

<h2>Answer:</h2>

A. 5 positive x-tiles and 6 positive unit tiles on the left side; 4 positive x-tiles and 3 negative unit tiles on the right side

<h2>Step-by-step explanation:</h2>

Left Side

5 positive x tiles: 5x

6 positive unit tiles: 6

Right Side

4 positive x tiles: 4x

3 negative unit tiles: -3

7 0

4 years ago

Read 2 more answers