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3 years ago

6

Shoshana has 5/6 foot of string. greg has 3/4 as much. shoshana multiplies 5/6 by 3/4 to find out has much greg has who has more

string

1 answer:

Reptile [31]3 years ago

8 0

Shoshana has more string than greg does.

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Find a coefficient of x in -7x, and a coefficient of 9/4y.

garik1379 [7]

Answer:9

Step-by-step explanation:

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3 years ago

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Explain how an estimate helps you to place the decimal point when multiplying 3.9 times 5.3

Alborosie

3.9 * 5.3 ≈ 4 * 5

≈20

Well after doing your multiplication, you can place your decimal point by knowing that from estimation the answer is around 20.

So you can place your decimal point after the first two digits from the left.

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4 years ago

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What is the value of the fourth term in a geometric sequence for which a1=10 and r =0.5

Lena [83]

Answer: 1.25

Step-by-step explanation:

The explicit formula for the sequence is $a_{n}=10(0.5)^{n-1}$

Substituting in n=4,

$a_{4}=10(0.5)^{4-1}=\boxed{1.25}$

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2 years ago

Please help!!!!!!!!!!!!!

aivan3 [116]

Answers:

A
C
D

Step-by-step explanation:

<em>We must simplify each option to see if they are equivalent to $-\frac{3}{8}$ .</em>

<em>Lets try A.</em>

$-\frac{6}{16}$ can be simplified to $-\frac{3}{8}$ by dividing both the numerator and denominator by 3.

$-\frac{6}{16}$ ÷ $\frac{3}{3} = -\frac{3}{8}$

A is correct!

<em>Lets try B</em>

$\frac{12}{32}$ simplifies to $\frac{3}{8}$ . However, because this answer is not negative, it is not equivalent.

<em>Lets try C</em>

There is a negative in the numerator, making this fraction negative. So yes, $\frac{-3}{8} = -\frac{3}{8}$ .

Bonus Info: If there was a negative in both the numerator and denominator, the two negatives would cancel eachother out, making the fraction positive

C is correct!

<em>Lastly, Lets try D</em>

There is a negative in the denominator, so this fraction is negative. $\frac{9}{-24}$ can be simplified by dividing by 3 to $-\frac{3}{8}$ .

$\frac{9}{-24}$ ÷3 = $-\frac{3}{8}$

D is correct!

Hope this helped you!~

<em />

6 0

4 years ago

Which expression is equivalent to 4 + 3 (5 + ×)

Deffense [45]

Step-by-step explanation:

$4 + 3(5 + x)\\4 + (3 * 5 ) + (3 * x)\\4 + 15 + 3x$

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3 years ago

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