3 years ago

Write an expression in simplest form for the perimeter of the exercise mat

Mathematics

1 answer:

Verizon [17]3 years ago

6 0

The simplest expression is (2w)+(2*3w), because to calculate perimeter, you have to use this formula: 2length+2width.

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On an algebra test , the highest grade was 50 points higher than the lowest the sum of the two grades was 122 find the lowest gr

KATRIN_1 [288]

Answer:

Highest grade: 86

Lowest grade: 36

Step-by-step explanation:

Let the highest grade be h, lowest grade be l.

$h = 50 + l \\ \\ h + l = 122 \\ h = 122 - l \\ \\$

Therefore,

$122 - l \: = 50 + l \\ 2l \: = 72 \\ l = 36 \\ \\ h = 36 + 50 = 86$

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2 years ago

Together, Tim and Tom have $2.40. Tim has three times as much as Tom. How much does each have?

Phoenix [80]

X = how much Tim has
y = how much Tom has
x + y = 2.40
x = 3y
Substitute 3y for x
3y + y = 2.40
4y = 2.40
y = 0.60
Plug in y value into previous equation
x = 3(0.60)
x = 1.80
ANSWERS: Tim has $1.80 and Tom has $0.60

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2 years ago

Misha is think of a negative integer greater than -4. What number could she be thinking of?

sammy [17]

Answer:

-5

Step-by-step explanation:

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2 years ago

What percent is 14 over 81

postnew [5]

Answer:

17,28 %

Step-by-step explanation:

81 .............. 100%

14 ....................x%

x = 14×100/81 = 1400/81 ≈ 17,28 %

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2 years ago

Read 2 more answers

What does proportional relationship means?

monitta

Answer:

A proportional relationship is one in which two quantities vary directly with each other. We say the variable y varies directly as x if: y = k x. for some constant k , called the constant of proportionality .

Step-by-step explanation:

5 0

3 years ago