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My name is Ann [436]
3 years ago
9

(b) A square has a perimeter of 12 yd. What is the length of each side?

Mathematics
1 answer:
Maru [420]3 years ago
7 0

Answer:3

explation:square have 4 side

perimetter of square=4l

so, 12/4=3

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Jake plans to use a ramp to make it easier to move a piano out of the back of his truck. The back of the truck is 83 centimeters
storchak [24]

Answer:

134.4 centimeters

Step-by-step explanation:

This question is asking us for a missing leg on the triangle, lets call it x. Using the Pythagorean theorem (a²+b²=c²), we can figure out what value is missing (either a or b, they are interchangeable).

replace the values in the equation.

83²+x²=158²

get rid of the exponents.

6,889+ x² = 24,964.

subtract 6,889 from 24,964.

x²=18,075.

find the square root on both sides of the equation.

x=134.4432966.

I am assuming you want this rounded to the nearest tenth.

134.4 is your answer.

Read more on Brainly.com - brainly.com/question/14113423#readmore

8 0
3 years ago
What number is 80% of 90%?​
storchak [24]
Answering so you can mark the other person brainliest
6 0
3 years ago
Active
Ber [7]

Answer:

The expressions for the payment made to Mary are,

(Monday) 90 = 15m + b

(Tuesday) 62 = 8m + b

where m and b are the fee per student and the base fee, respectively. Solving for m and b, the values are 4 and 30.

The equation that represents Mary's earning is

y = 4x + 30

For 20 students,

y = 4(20) + 30 = 110

For Lisa's earnings,

y = 8x + 15

Substituting 20,

y =8(20) + 15 = 175

Thus, Lisa would earn more than Mary by $65.

(Btw this is not my work, I got it from someone else on brainly and wanted to help lol)

7 0
3 years ago
Anyone know whats 9 + 10 ??
Zarrin [17]

Answer: 21

Step-by-step explanation:

ahaha but for real it is 19

6 0
3 years ago
Which expression is modeled by this arrangement of tiles? 40 positive tiles are broken up into 10 groups of 4 positive tiles. 40
Lisa [10]

Answer:

\frac{40}{4}

Step-by-step explanation:

The model shows that there are 40 tiles which were divided into 4 per group. This results into 10 groups. That is:

\frac{40 tiles}{4} = 10 groups

Therefore, the expression modeled by the arrangement of the tiles is \frac{40}{4}

6 0
3 years ago
Read 2 more answers
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