2 years ago

Can someone help me please

Mathematics

1 answer:

ruslelena [56]2 years ago

6 0

Answer:

Multiplication

Step-by-step explanation:

You would use multiplication to find every combination like 4 entrees x 7 sides x 2 desserts

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One angle of an isosceles triangle measures 138°. Which other angles could be in that isosceles triangle?

BartSMP [9]

Answer:

2 21 degree angles

Step-by-step explanation:

An isosoles triangle has two congruent angles and every triangle's sum of interior angles equals 180 degrees. 138*2>180, so the 138 degree angle cannot be congruent to any of the other angles. Therefore:

180=138+2x

42=2x

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3 years ago

Beth will borrow $10,000 which earns 4% compound interest and she will repay that amount in 20 years. How much interest was earn

Serggg [28]

Answer:

$I=\$11,911.23$

Step-by-step explanation:

we know that

The compound interest formula is equal to

$A=P(1+\frac{r}{n})^{nt}$

where

A is the amount that she will repay

P is the amount borrowed

r is the rate of interest in decimal

t is Number of Time Periods

n is the number of times interest is compounded per year

in this problem we have

$t=20\ years\\ P=\$10,000\\ r=0.04\\n=1$

substitute in the formula above

$A=10,000(1+\frac{0.04}{1})^{1*20}$

$A=10,000(1.04)^{20}$

$A=\$21,911.23$

Find out the interest

$I=A-P$

substitute the values

$I=\$21,911.23-\$10,000=\$11,911.23$

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2 years ago

An architect is designing a rectangular house that is 60 feet long and 40 feet wide. He uses of the area for the 1/4 living room

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Answer:

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area 1/6=600÷6=100

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2 years ago