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svlad2 [7]
3 years ago
8

Please help me answer this

Mathematics
1 answer:
yaroslaw [1]3 years ago
7 0

Answer:

A. Max is ten miles from home after three miles.

B. Ali started a nine miles away from home.

C.Ali spent 3 hours in the same place.

D. Max spent 9 hours in the same place.

Step-by-step explanation:

Sorry I didn't answer all of them, these were the only ones I knew.

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WINSTONCH [101]
79% the second choice
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What is the sum of (–2.1x + 3.7) and (5 + 4.9x)?
vesna_86 [32]

It's easier to work with problems such as –2.1x + 3.7 -5 + 4.9x when we rearrange the like terms vertically:


–2.1x + 3.7 -5 + 4.9x


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–2.1x + 3.7

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2.8x - 1.3 (answer)


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3 years ago
What is x given ABC~DBE.<br> Show your work
alexandr1967 [171]

x = 37.5 (or) \frac{75}{2}

Solution:

Given \triangle A B C \sim \triangle D B E

AC = 50, DE = 30, EC = 25, BE = x, BC = 25 + x

To find the value of x:

Property of similar triangles:

If two triangles are similar then the corresponding angles are congruent and the corresponding sides are in proportion.

$\frac{BE}{BC} =\frac{DE}{AC}

$\frac{x}{25+x} =\frac{30}{50}

Do cross multiplication, we get

50x=30(25+x)

50x=750+30x

Subtract 30x from both sides of the equation.

20x=750

Divide by 20 on both sides of the equation, we get

x = 37.5 (or) \frac{75}{2}

Hence the value of x is 37.5 or \frac{75}{2}.

5 0
3 years ago
Simplify: 6(x-2y) - 3(2x+y)
Hitman42 [59]

Answer: -15y

Step-by-step explanation:

6(x-2y) - 3(2x+y)

6x-12y -6x-3y

0x -15y

-15y

5 0
2 years ago
Read 2 more answers
Find the missing values for the exponential function represented by the table below.
postnew [5]

Answer:

d. 13.5, 20.25

Step-by-step explanation:

An exponential function is monotonic and does not change sign. On this basis alone, the first three choices can be eliminated.

The common ratio is 6/4 = 3/2.

The term in the sequence after 9 is 9·(3/2) = 27/2 = 13.5.

The term in the sequence after 27/2 is (27/2)·(3/2) = 81/4 = 20.25.

8 0
3 years ago
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