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marissa [1.9K]
3 years ago
11

Help now Twenty-seven is 25% of a0.

Mathematics
2 answers:
timurjin [86]3 years ago
8 0
27
is
25
%
of
108
Explanation:
Let the number be
x
. Then
x
⋅
25
100
=
27
or
x
=
27
⋅
100
25
=
108
∴
27
is
25
%
of
108
[Ans]
masya89 [10]3 years ago
4 0

Answer:

27  is  25 %  of  108

Step-by-step explanation:

x*25/100=27 or x=(27*100)/25=108

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(3x+4)–(2x+9)=15<br><br> Help meeeeeeeeeeeee.
melamori03 [73]

Answer:

x=30

Step-by-step explanation:

you distribute the negative to 2x and 19

3x+4-2x-19=15

then you combine like terms

x-15=15

you add 15 to both sides

x=30

4 0
3 years ago
Read 2 more answers
The shorter leg of a right triangle is 7cm shorter than the longer leg. The hypotenuse is 7cm longer then the linger leg. What i
Gelneren [198K]

The shorter leg is 21cm, longer leg is 28 cm and hypotenuse is 35cm.

Step-by-step explanation:

Let,

The longer leg = x

The shorter leg = x-7

Hypotenuse = x+7

Using Pythagoras theorem;

a^2+b^2=c^2\\(x-7)^2+(x)^2=(x+7)^2\\x^2-14x+49+x^2=x^2+14x+49\\2x^2-14x+49-x^2-14x-49=0\\x^2-28x=0\\x(x-28)=0\\

Either,

x= 0

Or,

x-28=0      =>x=28

As length cannot be zero, therefore,

Longer side = 28cm

Shorter side = x-7 = 28-7 = 21cm

Hypotenuse = x+7 = 28+7 = 35cm

The shorter leg is 21cm, longer leg is 28 cm and hypotenuse is 35cm.

Keywords: triangle, pythagoras theorem

Learn more about triangles at:

  • brainly.com/question/9323337
  • brainly.com/question/9381080

#LearnwithBrainly

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3 years ago
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Bumek [7]
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What is the value of x in the equation 0.7 x - 1.4 = -3.5
Daniel [21]

Answer:

x=12.5

Step-by-step explanation:

0.7x times (-1.4)=-3.5

-0.28x=-3.5 (divide both sides)

Ans:12.5

4 0
3 years ago
Triangle (-2,-2) (-6,-8) (-8,-8) over the x-axis. What are the new vertices?
ivanzaharov [21]
(-2,2) (-6,8) (-8,80
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3 years ago
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