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3 years ago

Jordan bought 4 shirts

Mathematics

1 answer:

xeze [42]3 years ago

3 0

Answer:35 dollars each

Step-by-step explanation: Because if you take the $40 out of 180 you get 140 then you divide 140 by 4 and you get 35. Hope this helps.

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a rectangle has a length that is 4 times longer than it's width. If the total area of the rectangle is 121 square feet, what is

larisa86 [58]

Answer:

L = 22 ft

Step-by-step explanation:

Let L and W represent the length and width respectively.

L = 4W, or W = L/4. Use W = L/4 because we want to solve for W, not for L.

Area of a rectangle: A = L · W

Here, A = L · L/4 = 121 ft²

Mult. both terms by 4 removes the fraction:

L² = 484

Finding the square root of this result: L = 22

The length of the rect. is 22 ft.

5 0

3 years ago

Read 2 more answers

Express 900 as a product of its prime factors in index form. Write the prime factors in ascending factors.

Lina20 [59]

Answer:

900 = 2 * 2 * 3 * 3 * 5 * 5 = 2^2 * 3^2 * 5^2

Step-by-step explanation:

900/2 = 450

450/2 = 225

225/3 = 75

75/3 = 25

25/5 = 5

5/5 = 1

900 = 2 * 2 * 3 * 3 * 5 * 5 = 2^2 * 3^2 * 5^2

7 0

3 years ago

There are 2 buildings, a and b. a had twice as many visitors as b. 2,950 went to a from b. now a has 39,500 more visitors than b

Sladkaya [172]

There are 100800 visitors there altogether in both the buildings.

Let the number of visitors in building b be x.

Visitors in building a will be = 2 x

Now, 2,950 went to a from b.

Visitors in building a = 2 x + 2950

Visitors in building b = x - 2950

ATQ: now a has 39,500 more visitors than b.

We get the equation as:

x - 2950 + 39500 = 2x + 2950

x + 36550 = 2x + 2950

2x - x = 36550 - 2950

x = 33600

2 x = 67200

Total visitors = x + 2x = 33600 + 67200

Total visitors = 100800

Therefore, there are 100800 visitors there altogether in both the buildings.

Learn more about equation here:

brainly.com/question/1214333

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3 0

2 years ago

In the figure to the right, OC=10, m

kotykmax [81]

Answer:

Let AB be the flagstaff and CD be the vertical tower.

AB=10m=EC

BC=20m=AE

In triangle ABC we have,

tanx=AB/BC

tanx=10/20

1/tanx=20/10

10/tanx=20...........1

In triangle ADE we have

tan(90-x)=DE/AE

cotx=DE/20

1/cotx=20/DE

DE/cotx=20..............2

by eq1 and. eq 2 we get

10/tanx=DE/cotx

10/(AB/BC)=DE/(BC/AB)

10/(10/20)=DE/(20/10)

10×20/10=DE×10/20

DE=40m

Therefore height of vertical tower = DE+EC=40+10=50m

8 0

4 years ago

What is the solution to the system of equations?

irina [24]

Answer:

The solution is the point (6,-8)

Step-by-step explanation:

we have that

The first equation is $y=(1/3)x-10$ instead $y=x-10$

$y=(1/3)x-10$ -----> equation A

$2x+y=4$ -----> equation B

Solve the system of equations by substitution

Substitute equation A in equation B and solve for x

$2x+[(1/3)x-10]=4$

$(7/3)x=14$

$x=6$

Find the value of y

$y=(1/3)(6)-10=-8$

therefore

The solution is the point (6,-8)

4 0

4 years ago