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2 years ago

If Mike has m pencils and Jen has three times as many pencils as Mike, how many more pencils does Jen have?

Mathematics

1 answer:

tiny-mole [99]2 years ago

4 0

Answer:

If Sarah has three times as many pencils as Mike she has 3 times the number of pencils Mike has which is equivalent to 3 * m. That means Mike has m pencils and Sarah has 3m pencils. they have m + 3m pencils. The expression would be total: m + 3m.

Step-by-step explanation:

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Alice skates 2/5 mile in 1/5 hour. Elizabeth skates 2/3 mile in 2/9 hour. How far did elisabeth escape in in 1 hour?

sergeinik [125]

$Question$

Alice skates 2/5 mile in 1/5 hour. Elizabeth skates 2/3 mile in 2/9 hour. How far did elisabeth escape in in 1 hour?

Answer:

The Correct Answer is $\frac{8}{9}$

Complete the multiplication and the equation becomes

$\frac{2}{9}$ + $\frac{2}{3}$ = ?

The two fractions now have like denominators so you can add the numerators.

$\frac{2+6}{9}$ = $\frac{8}{9}$

Therefore, The Answer Is $\frac{8}{9}$

Hope this helps!

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2 years ago

The amount of carbon-14 present in a paint after t years is given by y equals y Subscript o Baseline e Superscript negative 0.0

Anni [7]

Answer:

16,383.33 years ( approx )

Step-by-step explanation:

Given equation that shows the amount of carbon-14 after t years,

$y = y_0 e^{-0.00012t}$

Where,

$y_0$ = initial amount,

∵ 14% of $y_0$ = $\frac{14}{100}y_0$ = $\frac{7}{50}y_0$

$\frac{7}{50}y_0= y_0 e^{-0.00012t}$

$\frac{7}{50}=e^{-0.00012t}$

Taking ln both sides,

$\ln(\frac{7}{50})=-0.00012t$

$-1.966=-0.00012t$

$\implies t =\frac{-1.966}{-0.00012}=16383.33$

Hence, the painting would be 16383.33 years old ( approx )

5 0

2 years ago

Convert 3/4 to decimal leaving the answer in 1S.f

GuDViN [60]

Answer:

0.8

Step-by-step explanation:

3/4 =0.75

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3 years ago

Help please!!! It’s for Geometry

mixas84 [53]

Answer:

-5

Step-by-step explanation:

because it is on the - side because there is a post side and a - side

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2 years ago

12/6 and 4/2 state if each pair of ratios forms a proportion. helppppppp

posledela

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▹ Answer

This is <em>proportional</em>.

▹ Step-by-Step Explanation

$\frac{12}{6} \\\\Divide each side by 3:\\\\12/3 = 4\\\\6/3 = 2\\\\= \frac{4}{2}$

Hope this helps!

CloutAnswers ❁

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5 0

3 years ago

Read 2 more answers