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3 years ago

QUICK I NEED HELP!!!!!!

Mathematics

1 answer:

DerKrebs [107]3 years ago

4 0

Answer:

Step-by-step explanation:

Mode is simply the number that is repeated in the data.

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It is 3٫100 miles right

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3 years ago

4[3(10-7)+(11•2)]<br><br> Help please

Yuri [45]

Answer: 124

Explanation: 4[3(10-7)+(11•2)]
Parentheses - 4[3(3)+(22)]
Parentheses - 4(9+22)
Parentheses - 4(31)
Multiplication - 124

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3 years ago

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3(-4x + 8)=.................

Nezavi [6.7K]

Answer:

-144 or 2 5

Step-by-step explanation:

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A mailbox that is 36 inches tall is beside a tree.The length of the mailboxes shadow is 28 inches.The length of the trees shadow

mixer [17]

Answer:

10.5 feet

Step-by-step explanation:

In this problem, we have two similar triangles:

- One consists of the mailbox, its shadow and the hypothenuse

- The other one consists of the tree, its shadow and the hypothenuse

The two triangles are similar, so they have same proportions between their sides: therefore, we can apply the rule of three:

$\frac{m}{s_m}=\frac{t}{s_t}$

where

m = 36 in is the height of the mailbox

$s_m=28 in$ is the shadow of the mailbox

t is the height of the tree

$s_t=98 in$ is the length of the shadow of the tree

Solving for t, we find the height of the tree:

$t=\frac{m\cdot s_t}{s_m}=\frac{(36)(98)}{28}=126 in$

And since

1 feet = 12 inches

The height of the tree in feet is

$t=\frac{126}{12}=10.5 ft$

3 0

3 years ago

Preston has a car washing business. Last year he washed 20 cars a week. This year, he washed 1,200 cars. How many more cars did

kakasveta [241]

Answer:

He washed 160 more cars this year than last year.

Step-by-step explanation:

Last year: He washed a total of 1,040 cars.

This year: He washed a total of 1,200 cars.

1,200

160

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3 years ago