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Tasya [4]
2 years ago
14

Please answer this ( 8th grade math )

Mathematics
2 answers:
Alja [10]2 years ago
7 0
It is C because
31-71=102
And then 180=triangle
180-102=78
Andre45 [30]2 years ago
7 0

Answer:

The correct answer is C

Step-by-step explanation:

Helpful fact- All triangles are 180 degrees

Angle 1 = 31 degrees

Angle 2= 71 degrees

X= Angle 3

Y = Angle 1&2 Sum

So by adding Angles 1 & 2 we get a sum  to subtract from 180 and get a difference. That difference will be Angle 3.

Angle 1 + Angle 2 = Y

180 - Y= X

31 + 71 = 102 degrees   Y= 102 degrees

180 - 102 = 78 degrees  X= 78 degrees

PLS GIVE BRAINLIST IF HELPFUL

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3 years ago
Lisa took out a loan for 5 months and was charged simple interest at an annual rate of 4.8%.
denis-greek [22]

Answer:

<em>Lisa borrowed $8,500</em>

Step-by-step explanation:

<u>Simple Interest </u>

Occurs when the interest is calculated on the original principal of a loan only.

Unlike compound interest where the interest earned in the compounding periods is added to the old principal, simple interest only considers the principal to calculate the interest.

The interest earned is calculated as follows:

I=Prt

Where:

I = Interest

P = initial principal balance

r = interest rate

t = time

Lisa took out a loan for t=5 months and was charged simple interest at an annual rate of r=4.8% = 0.048. She paid interest for I=$170.

We need to convert the time to years (there are 12 months per year):

t = 5 /12 years.

The formula must be solved for P:

\displaystyle P=\frac{I}{rt}

Substituting:

\displaystyle P=\frac{170}{0.048*5/12}

\displaystyle P=\frac{170}{0.02}=8,500

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8 0
2 years ago
Rudolf has a pool that has a diameter of about 24.26 mm. What is the area of the pool in terms of pi
bonufazy [111]

Answer:

   = 147.1369 pi

Step-by-step explanation:

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6 0
3 years ago
Read 2 more answers
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