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viktelen [127]
3 years ago
5

Geometry!! Find the area !! Brainliest given!! Bogus answers reported !!

Mathematics
1 answer:
Andrews [41]3 years ago
5 0

Make a proportion.

It should look like: \frac{perimeter~fig1}{area~fig1} = \frac{perimeter~fig2}{area~fig2}

\frac{20}{18.6} =\frac{28}{x}

Cross multiply.

20x = 520.8

Divide both sides by 20.

x = 26.04

Rounded to nearest tenth, 26.0.

Area of fig 2 = 26.0 cm².

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30 POINTS!! HELP ASAP ITS 11 PM AND I'M SO TIRED.
maxonik [38]

Hey there! I'm happy to help!

--------------------------------------------------------------------------------

15. Interpret

I'll try to explain this quick so you can sleep. Sleep is very important for brain activity and is very important to help us learn more efficiently and to help us feel more energized and healthy (and sleep is just amazing in general) :)

All of the numbers below 1000 are going to give us negative number answers. For all of them, we just subtract 1000 from it to see how much over or below we are.

February: 10

March: -5

April: 50

May: -25

June: -20

--------------------------------------------------------------------------------

16. Analyze

An <u>integer </u>is just a number with no fraction or semi-value that is part of it. So 7 and -10 are integers while -1.5 and 2/3 are not.

A negative integer is one below zero, and a positive is one above zero.

PART A: Letters a and c represent the negative integers because they are to the left of zero on the number line.

PART B: letters b and d represent the positive integers because they are above zero on the number line.

PART C: They can be described as additive inverses, which have a different sign but the same <u>absolute value</u> (distance from zero). They are called this because when you combine them you get zero.

--------------------------------------------------------------------------------

Enjoy your sleep and keep on learning! :D

3 0
3 years ago
For rectangle ABCD, find m∠DEC.
kaheart [24]
What is the number ?
4 0
3 years ago
Help please. Im stuck
LUCKY_DIMON [66]

Answer:

16 units squared

Step-by-step explanation:

First, calculate the distance between (0, 0) and (0, 4). The distance is in y, so there are 4 units in-between.

Next, calculate the distance between (0, 0) and (4, 0). This time, the distance is in x, but it is still four.

We know the dimensions of the shape are 4x4 so we just multiply.

4*4=16

3 0
2 years ago
Rewrite 17.9 divided by 2.38 said that the divisor is a whole number​
fenix001 [56]

Answer:

1790/238

Step-by-step explanation:

Rewrite 17.9 divided by 2.38 said that the divisor is a whole number​. This can be done by multiplying the numerator and the denominator by the same value of number of number.

Since the divisor is in 2 decimal place, then we will have to multiply by 100.

17.9÷2.38 = 17.9/2.38 × 100/100

= 1790/238

Hence the final answer is 1790/238

7 0
3 years ago
Which expression represents 9 less than a number?
My name is Ann [436]

Answer:

x-9

Step-by-step explanation:

"Less than" switches the way of the expression.

If the "less than" was not there it would have been:

9-x

"Less" means subtract so you would subtract x from 9.

Hope this helped!

7 0
4 years ago
Read 2 more answers
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