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lions [1.4K]
3 years ago
6

At practice john does three times as many sit ups as ned and also 25 jumping jacks . He does 80 exercises in total . The equatio

n 3x+25=80 describes the situation .What does the variable x represent
Mathematics
1 answer:
Marina86 [1]3 years ago
8 0

Answer:

How many sit ups Ned does

Step-by-step explanation:

It would be 3 times however many Ned does

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I need help so much please help the attachment below is the question i need help on
leonid [27]

Answer:

\dfrac{\sqrt[12]{55296}}{2}

Step-by-step explanation:

Rationalize the denominator, then use a common root for the numerator.

\dfrac{\sqrt[4]{6}}{\sqrt[3]{2}}=\dfrac{(2\cdot 3)^{\frac{1}{4}}}{2^{\frac{1}{3}}}\\\\=\dfrac{(2\cdot 3)^{\frac{1}{4}}}{2^{\frac{1}{3}}}\cdot\dfrac{2^{\frac{2}{3}}}{2^{\frac{2}{3}}}=\dfrac{2^{\frac{1}{4}+\frac{2}{3}}3^{\frac{1}{4}}}{2}\\\\=\dfrac{2^{\frac{11}{12}}3^{\frac{3}{12}}}{2}=\dfrac{\sqrt[12]{2^{11}3^{3}}}{2}\\\\=\dfrac{\sqrt[12]{55296}}{2}

3 0
3 years ago
PLZZZZZZZZZ HELP THANK YOUUUUUUUU !!!!!
photoshop1234 [79]

Answer:

<u><em>It has gone -160 miles.</em></u>

Step-by-step explanation:

To find the answer we will <em>multiply -40 by 4 hours</em>, and we get<em> -160 miles</em>.  Therefore, the car has <em>traveled -160 miles</em>.

7 0
3 years ago
Type the correct answer in each box.
Fittoniya [83]

the answer would be 2.5

8 0
3 years ago
Read 2 more answers
Change 3 out of 10 to a percentage
Nana76 [90]

Answer:

To convert fraction to decimal, divide 3/10, which would give you . 3 which is already a decimal. To convert decimal to percent, multiply by 100 which would give you 30, hence 30%

8 0
3 years ago
Read 2 more answers
A rectangular pool contains 920 cubic meters of water. the pool is .4 meter deep and 100 meters wide. How long is the pool?
LekaFEV [45]
Hi there,

Sol:
Length of the swimming pool = 260 m
Breadth of the swimming pool = 140 m

Let the height of the water in the swimming pool after pouring water be h meters.

Volume of the water poured = 54600 m3

l x b x h = 54600
260 x 140 x h = 54600
h = (54600) / (260 x 140)
h = 1.5 m = 150 cm

Hope it helps
5 0
3 years ago
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