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3 years ago

The purple shape is a dilation of the black shape. Is it an enlargement or reduction?

Mathematics

1 answer:

Zarrin [17]3 years ago

6 0

The answer is a enlargement

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If x2-y2 = 10 and x+y = 5, what is the value of x-y? 2-5?

netineya [11]

Answer:

x-y=2

I don't get why they are asking you what is 2-5. That seems super basic compared to the other question it is with. Since 5-2=3, then 2-5 or -5+2=-3.

Step-by-step explanation:

We are going to use identity x^2-y^2=(x-y)(x+y)

x^2-y^2=10

(x-y)(x+y)=10

(x-y)(5)=10

Since (2)(5)=10, this implies x-y=2.

8 0

2 years ago

Does anyone know the answer to this?

Assoli18 [71]

Answer:

Step-by-step explanation:

Percent: The percent is the number with the % symbol: 20%.

Base: The base is the whole amount, which in this case is unknown.

Amount: The amount based on the percent is 40

Base = unknown

8 0

3 years ago

What is 50/45 simplified

icang [17]

Answer:

10/9 is the simplified fraction for 50/45.

Step-by-step explanation:

3 0

3 years ago

Round -13.457 to nearest integer

fomenos

Answer:

Answer:

-13

Step-by-step explanation

Rounded to the nearest 0.01 or

the Hundredths Place.

5 0

2 years ago

A) be 85° 120° (2x - 10° X

Lunna [17]

Let's see what to do buddy...

_________________________________

Step (1)

We know that the sum of the interior angles of any n-sided figure is obtained from the following equation :

$(n - 2) \times 180$

Our figure has 5 sides ;

So , sume the interior angles of it equals :

$(5 - 2) \times 180 = 3 \times 180 = 540 \\$

_________________________________

Step (2)

First look at the photo which I post.

According it we have :

$(180 - x) + 120 + 85 + (2x - 10) + 90 = 540 \\$

$2x - x + 475 - 10 = 540$

$x + 465 = 540$

Subtract the sides of the equation minus 465 :

$x = 540 - 465$

$x = 75$

_________________________________

And we're done.

Thanks for watching buddy good luck.

♥️♥️♥️♥️♥️

3 0

3 years ago