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3 years ago

What is 4 groups of 2/7?

Mathematics

2 answers:

zysi [14]3 years ago

8 0

Is 2/7 four time

so is 2•4/7=8/7 =1 1/7

Jobisdone [24]3 years ago

3 0

the answer is 1 and 1/7

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A triangle with an area of 36 square meters has a base that is 10 meters long. What is the height of the triangle

NARA [144]

The height of the triangle would be

7.2 bc

10x7.2:72

So to find the area of a triangle u have to divide by 2, so

72 divided by 2 is 36, so 7.2 is the height

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3 years ago

Express the radical using the imaginary unit, i

Kipish [7]

Answer:

7i.

Step-by-step explanation:

Note : The given expression must be $\sqrt{-49}$ .

We have to write this radical value in the imaginary value.

The given value can be rewritten as

$\sqrt{-49}=\sqrt{49\times (-1)}$

$\sqrt{-49}=\sqrt{49}\times \sqrt{-1}$ $[\because \sqrt{ab}=\sqrt{a}\sqrt{b}]$

$\sqrt{-49}=7\times i$ $[\because \sqrt{-1}=i]$

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Therefore, the required expression is 7i.

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3 years ago

William's typical running speed is 6 mi/h. The difference between his fastest speed and his typical speed is 1.5 min. The equati

Over [174]

Answer:

D) 7.5 mi/h. hcbhcvu yc yv. y yv yh

6 0

3 years ago

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Eva wants to make two pieces of pottery.She needs 3/5 pound of clay for one piece and 7/10 pound of clay for the other piece.She

marta [7]

Answer:

a) Eva will need 2 bags of clay to make both pieces of pottery.

b) She will have leftover $\frac{11}{10}$ pounds of clay.

Step-by-step explanation:

a) We have to find the total amount of clay, as she needs $\frac{3}{5}pound=P_{1}$ and $\frac{7}{10}pound=P_{2}$ , so $P_{1}+P_{2}= \frac{3}{5} +\frac{7}{10} =\frac{6+7}{10}=\frac{13}{10}pounds$ , is the total amount of clay. Then as we Know that one bag of clay has $\frac{4}{5} =\frac{8}{10} pounds$ , It isn´t enough, but with two bags $2*\frac{8}{10}=\frac{16}{10} pounds$ , It is enough clay.

b) She will have leftover $\frac{16}{10} -\frac{13}{10} =\frac{3}{10}pounds$ of the second bag, then we add the third one, so $\frac{3}{10} +\frac{8}{10} =\frac{11}{10}pounds$ are leftover.

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3 years ago

I need help, thank you

natali 33 [55]

Plot it on point (-2,-1)

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4 years ago

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