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3 years ago

20 points!! Pls help there will also be a part two

Mathematics

1 answer:

statuscvo [17]3 years ago

8 0

the height of the poster must be multiplied by the ratio which is 1 to 2.5 which is 40 cm.

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The temperature fell 12°F from 46°Fto 34°F in 10 hours. how much would the temperature fall over 15 hours if the pattern continu

Stolb23 [73]

18 degrees F because
it dropped 12 degrees=10 hours
x degrees=15 hours
x is what you want to find out which is how many degrees it would drop in 15 hours.
12x15 then divided by 10 is 18.

5 0

3 years ago

You estimate that there are 47 marbles in a jar. The actual amount is 52 marbles. Find the percent error. Round to the nearest t

dusya [7]

Answer:

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Step-by-step explanation:

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3 years ago

What is the value of x?

kari74 [83]

Answer:

Step-by-step explanation:

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3 years ago

What is the sum of 2x^2 and 2x^3

jeyben [28]

For this case we have the following expression:

$2x ^ 2 + 2x ^ 3$

The terms are not similar, so they cannot be added.

Examples of similar terms:

$x ^ 3 + x ^ 3 = 2x ^ 3\\3x ^ 4 + 2x ^ 4 = 5x ^ 4$

Then, the expression given can only be rewritten as:

$2 (x ^ 2 + x ^ 3)$

This is taking common factor 2 to both terms.

Answer:

$2 (x ^ 2 + x ^ 3)$

7 0

3 years ago

What is 3.24 ( 4 repeating) as a fraction?

evablogger [386]

Answer:

81/25

Step-by-step explanation:

change 3.24 into faction

 324 over 100 because there are two decimal points .

simplfy into the smallest fraction

the answer is 81 over 25

7 0

2 years ago