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3 years ago

Helppppppppppppppppppppppp fasttttt

Mathematics

1 answer:

WARRIOR [948]3 years ago

7 0

Iit is the first choice where it says the side length of the white square is b -a....

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Which expression correctly determines PR in triangle PQR?

Kobotan [32]

What are the expressions?? is there suppose to be options or diagrams??

3 0

2 years ago

Mario is constructing a square dart board. It will consist of a smaller square centered in a larger square. The smaller square m

Ivan

Answer:

6 inches.

Step-by-step explanation:

Let a represent side length of larger square.

We know that area of square is square of its side length, so area of the larger square will be $a^2$ .

The area of smaller square would be $4^2$ .

We will use proportions to solve our given problem.

$\frac{\text{Area of smaller square}}{\text{Area of larger square}}=\frac{4}{9}$

$\frac{4^2}{a^2}=\frac{4}{9}$

$\frac{16}{a^2}=\frac{4}{9}$

Cross multiply:

$4*a^2=16*9$

$\frac{4*a^2}{4}=\frac{16*9}{4}$

$a^2=36$

Take square root:

$a=\pm\sqrt{36}$

$a=\pm 6$

Since the length cannot be negative, therefore, the side length of larger square is 6 inches.

8 0

3 years ago

The cost of a new television is $948. If the value of the television decreases by 4.5% every year, which function

vlabodo [156]

Answer:

t(x) = 948(0.955)^x

Step-by-step explanation:

I had this for a warm up

8 0

3 years ago

Read 2 more answers

Can you please help me

sergiy2304 [10]

Answer:

x = 23

Step-by-step explanation:

The marked angles are "corresponding," hence congruent:

8x -27 = 7x -4

x = 23 . . . . . . . . . add 27-7x to both sides

5 0

3 years ago

10x + .0085x = 280000

GaryK [48]

Answer:

x = 27976.22021

Step-by-step explanation:

10x + .0085x = 280000

Combine like terms

10.0085x = 280000

Divide by 10.0085 on each side

10.0085x /10.0085= 280000/10.0085

x = 27976.22021

6 0

3 years ago