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3 years ago

Evaluate the expression using the distributive property 8(7+7)

Mathematics

2 answers:

MrRissso [65]3 years ago

5 0

Answer: 112

Step-by-step explanation:

Following PEMDAS, we need to add the numbers in the parenthesis first

8(7+7) becomes 8(14)

Now we just multiply 8 and 14

8(14) = 112

AnnyKZ [126]3 years ago

3 0

Answer: 112

Step-by-step explanation:

you do 8*7
you do 8*7
add the 2 numbers together.

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A department store is having a 15% of sale on all winter coats you purchase a winter coat for 275. With 7.25% sale tax how much

yuradex [85]

Sale price for coat =
275 x 0.85 (decimal multiplier for 15% decrease) = £233.75
£233.75 x 1.0725 (decimal multiplier for 7.25% increase) = £250.70

8 0

3 years ago

Write equivalent fractions for 3/5 and 1/4 using 20 as a common denominator

frez [133]

Answer:

12/20 and 5/20

Step-by-step explanation:

for 3/5is multiplied with 4 both numerator and denominator

as known as 1/4 will multiplied by 5/5

4 0

3 years ago

A chemical spill is leaking into a river flowing 2 3/4 miles per hour. How long will it take the chemicals to reach a town locat

ExtremeBDS [4]

Answer:

$6\frac{3}{11}=6.27$ hours.

Step-by-step explanation:

We have been given that a chemical spill is leaking into a river flowing 2 3/4 miles per hour.

To find the time taken by chemical to reach the town we will divide distance of town from the spill by distance covered by chemical spill in one hour.

$\text{Time taken by chemical to reach the town}=17\frac{1}{4} \div 2\frac{3}{4}$

Upon converting our mixed fractions into improper fractions we will get,

$\text{Time taken by chemical to reach the town}=\frac{69}{4} \div \frac{11}{4}$

Dividing a fraction with another fraction is same as multiplying first fraction by the reciprocal of second fraction.

$\text{Time taken by chemical to reach the town}=\frac{69}{4}\times \frac{4}{11}$

After cancelling out 4 we will get,

$\text{Time taken by chemical to reach the town}=\frac{69}{11}$

$\text{Time taken by chemical to reach the town}=6\frac{3}{11}$

$\text{Time taken by chemical to reach the town}=6.272727\approx 6.27$

Therefore, it will take the chemicals $6\frac{3}{11}=6.27$ hours to reach the town.

5 0

4 years ago

Find tenth term of the sequence (1,1,2,3,5,8,13)

garri49 [273]

This is what we call a Fibonacci sequence:

Notice that after the 1,1:

4th term =3 ==> 2+1

5th term =5 ==>3+2

6th term =8==> 5+3

7th term = 13==> 8+5

8th term =...........13+8 =21

9th term = ...........21+13 =34

10t=h term =........34+21 = 55

In short each number equal the sum of the 2 preceding number

7 0

4 years ago

What is JL brainliest for answer

Mashcka [7]

Answer:

JL = 12.5

Step-by-step explanation:

$In\: \triangle JKL, KM\perp JL$