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mafiozo [28]
2 years ago
7

Can anyone help me on this? IN NEED OF SOME HELP!

Mathematics
2 answers:
ZanzabumX [31]2 years ago
4 0

Answer:

2.105% is the answer!

Step-by-step explanation:

vesna_86 [32]2 years ago
4 0
The correct answer is -2.2%

Take 2.85-2.79 to get 0.06.

0.06 divided by 2.79= 0.0215.

0.0215•100= 2.15 or just 2.2.

This is a percentage decrease so the correct answer is -2.2%.
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Pleas help -2(a)=a-10/4
8_murik_8 [283]

Answer:

0.8333333333333333 (repeating)

Step-by-step explanation:

Well first the point of this problem is to get "a" by it self so.

-2a = a - 10/4

remove the fraction by multiplying 4 on both sides.

-8a = 4a - 10

now move 4a over to the other side to isolate the 10.

-12a = -10

now divide to get a by it self

-10/-12 = 0.8333333 (repeating)

**Remember a negative divided by a negative is a positive.

7 0
3 years ago
Find a rational number that is between 7.7 and 7.9. Explain why it is rational.
Cerrena [4.2K]
7.8 is rational because it can be written as a fraction with integer numerator and denominator (39/5) and it is also a terminating decimal :))
6 0
3 years ago
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What is the perimeter of this composite figure? and how do you get it?<br><br>​
DanielleElmas [232]

Answer:

62.5 feet

Step-by-step explanation:

The perimeter of the composite figure is the distance around the figure. It is found by adding each of the side lengths around the figure.

Here P = 4 + 5.5 + 14 + 12.5 + 18 + 8.5 = 62.5

4 0
3 years ago
Find the values of x and y<br><br> x=42, y=26.3<br> x=47, y=30<br> x=42, y=30<br> x=47, y=26.3
olga55 [171]

Answer:

x = 42, y = 30

Step-by-step explanation:

From the given figure, we have to find the value of x and y.

The measurement of an angle on a straight angle is 180 degrees.

Using this concept, we have

3y+5+2x+1=180\\3y+2x=174....(1)

Now, we know that the sum of consecutive interiors angles is 80 degrees. Hence, we have

3y+5+85=180\\3y+90=180\\3y=90\\y=30

Plugging the value of y in equation (1)

3(30)+2x=174\\90+2x=174\\2x=84\\x=42

Hence, the values of x and y are

x = 42, y = 30

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3 years ago
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Solve for y. <br> 6 = 2 (y+2)<br><br> y = ___
NeTakaya

y=1!!!!!!!!!!!!!!!!!!!

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