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HACTEHA [7]
3 years ago
14

Help me please , i’m being timed and i’m so lost

Mathematics
1 answer:
zalisa [80]3 years ago
4 0

the answer to first is 6

#2) x/50=20/45

45x=1000

x=22.2

3)x/42=13/21

21x=546

x=26

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Numerical expression for the difference between 72 and 16
vekshin1

Answer:

72-16

Step-by-step explanation:

Difference is represented by the subtraction of 2 numbers. If we want to represent the difference of 2 numbers, we need to subtract one number from the other number.

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Answer:

214

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3 years ago
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6 x 10 5 is how many times the value of 3 x 10 (Hint: Write your answer in standard form.)​
JulijaS [17]

Answer:

0.000036

Explanation:

When multiplying a number by 10 to the power of a positive exponent (e.g.  

10

3

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4.5

⋅

10

3

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4500

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When multiplying a number by 10 to the power of a negative exponent (e.g.  

10

−

4

), move the decimal in the number (the absolute value of) that many spaces to the left (e.g.  

4.5

⋅

10

−

4

=

0.00045

).

For  

3.6

⋅

10

−

5

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0.000036

Step-by-step explanation:

5 0
3 years ago
Which statement is true?
g100num [7]
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6 0
3 years ago
a 136 foot tall cell phone tower casts a 79.9 foot shadow. find the shadow length for a nearby 40 foot telephone pole
AleksAgata [21]

Given :

A 136 foot tall cell phone tower casts a 79.9 foot shadow.

To Find :

The shadow length for a nearby 40 foot telephone pole .

Solution :

We know , the ratio of height and shadow , will be same for every object .

Let , length of shadow of pole is x .

So ,

\dfrac{79.9}{136}=\dfrac{x}{40}\\\\x=\dfrac{79.9\times 40}{136}\ foot\\\\x=23.5\ foot

Therefore , the length of shadow of tower is 23.5 foot .

Hence , this is the required solution .

3 0
3 years ago
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