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Stella [2.4K]
3 years ago
9

Please help, 30 points, brainliest, and thanks!

Mathematics
1 answer:
PolarNik [594]3 years ago
6 0
BEDMAS is a main strategy to simplify algebraic expressions. Following the order of operations ensures accuracy.
Inverse operations help solve equations by isolating the value(usually a variable) that you are trying to find. Or by rearranging the equation so that it can be simplified or solved easier.
A real world scenario would be conversions. By using ratios of conversions and manipulating the equation you can convert many things.
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72 is what percent of 45?<br><br> __ = p/100<br><br> p= __
Marta_Voda [28]

Answer:

72 of 45 is 160%

Step-by-step explanation:

72 of 45 can be written as:

\frac{72}{45}

To find percentage, we need to find an equivalent fraction with denominator 100. Multiply both numerator & denominator by 100

\frac{72}{45} *\frac{100}{100}

=(\frac{72*100}{45} )*\frac{1}{100} =\frac{160}{100}

Therefore, the answer is 160%

If you are using a calculator, simply enter 72÷45×100 which will give you 160 as the answer.

3 0
2 years ago
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The measure of the supplement of an angle is 42 more than 3 times the measure of the complement of an angle. Find the measure of
Novosadov [1.4K]

Answer:

126

Step-by-step explanation:

We multiply 42 × 3= 126

The measure of the angle is 126.

8 0
3 years ago
Which of these statements is true for f(x)=5x(6)^x
bonufazy [111]

Answer:

The answer if B. Hope this helps.

Step-by-step explanation:

3 0
3 years ago
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AB = 3 + x
ICE Princess25 [194]

The given quadrilateral ABCD is a parallelogram since the opposite sides are of same length AB and DC is 4 and AD and BC is 2.

<u>Step-by-step explanation</u>:

ABCD is a quadrilateral with their opposite sides are congruent (equal).

The both pairs of opposite sides are given as AB = 3 + x , DC = 4x , AD = y + 1 , BC = 2y.

  • AB and DC are opposite sides and have same measure of length.
  • AD and BC are opposite sides and have same measure of length.

<u>To find the length of AB and DC :</u>

AB = DC

3 + x = 4x

Keep x terms on one side and constant on other side.

3 = 4x - x

3 = 3x

x = 1

Substiute x=1 in AB and DC,

AB = 3+1 = 4

DC = 4(1) = 4

<u>To find the length of AD and BC :</u>

AD = BC

y + 1 = 2y

Keep y terms on one side and constant on other side.

2y-y = 1

y = 1

Substiute y=1 in AD and BC,

AD = 1+1 = 2

BC = 2(1) = 2

Therefore, the opposite sides are of same length AB and DC is 4 and AD and BC is 2. The given quadrilateral ABCD is a parallelogram.

6 0
3 years ago
If you make $20 per hour, how many hours did you work if you earned
mestny [16]

Answer: 8 hours

If you are making 8 dollars an hur you need to go find another job

Step-by-step explanation:

4 0
3 years ago
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