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zloy xaker [14]
3 years ago
15

CAN? please help

Mathematics
2 answers:
Naya [18.7K]3 years ago
6 0

Answer:

Step-by-step explanation:

21 hours

6 hours in two days

3 hours per day

3 hours X 7 days = 21 hours a week

Andrei [34K]3 years ago
4 0

Answer:

she will have spent 21 hours on the phone

Step-by-step explanation:

6 hours in 2 days

6 divided by 2

3 hours a day

7 days a week

3 multiplied by 7 = 21

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A runner completed a 26.2-mile marathon in 210 minutes. a. Estimate the unit rate, in miles per minute. Round your answer to the
ivanzaharov [21]

Answer:

Unit rate by which the runner completed the marathon is 0.13 miles per minute.

Step-by-step explanation:

A runner competed a marathon of 26.2 miles in 210 minutes.

we can get unit rate by unitary method.

∵ In 210 minutes a runner completes the distance = 26.2 miles

∴ In 1 minute runner will complete the distance = \frac{26.2}{210}

                                                                              = 0.125 miles per minute

                                                                              ≈ 0.13 miles per minute

Therefore, unit rate by which the runner completed the marathon is 0.13 miles per minute.

6 0
2 years ago
Snow is falling steadily in Syracuse, New York. After 2 hours, 4 inches of snow has fallen. Complete the table. (view picture fo
Dima020 [189]

Answer:okk

Step-by-step explanation:

okk

6 0
2 years ago
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I spent $10 dollars out $25 what is percent I spent
Lina20 [59]
\text {Percentage spent = }  \dfrac{10}{25} \times 100

\text {Percentage spent = }  \dfrac{2}{5} \times 100

\text {Percentage spent = }  40 \%
3 0
2 years ago
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one interior angle of a polygon is a right angle and each of the other interior angles is 126°. Calculate the number of sides of
Vikentia [17]

Answer:

There are 7 sides.

Step-by-step explanation:

Let's Use the formula that states that the sum of the angles of an n-sided polygon is given by.

S=(n−2)180

Since we are given that the two angles are right, the angles and each of the remaining angles is 144.

And Therefore, the sum is:

S=90

(n−2)144

(n−2)180

=90

+90

+(n−2)144

⇒(n−2)180

−(n−2)144

=180

⇒(n−2)(180

−144

)=180

⇒(n−2)(36

=180

⇒n−2=

36

180

​⇒n−2=5

⇒n=5+2=7

Hence, the polygon has 7 sides.

6 0
2 years ago
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Which expression is equivalent to square root 55x^7 y^6/11x^11 y^8? Assume x > 0 and y > 0.
morpeh [17]
The first step for solving this expression is to reduce the fraction with 11.
\sqrt{ \frac{5 x^{7} y^{6}  }{ x^{11}  y^{8} } }
Now reduce the fraction with x^{7}.
\sqrt{ \frac{5 y^{6} }{ x^{4} y^{8}  } }
Reduce the fraction one more time with y^{6}.
\sqrt{ \frac{5}{ x^{4} y^{2}  } }
To take the root of a fraction,, we must take the root of the numerator and denominator separately. This rule will change the expression to the following:
\frac{ \sqrt{5} }{ x^{2} y}
Since we cannot simplify this fraction any further,, the final answer is going to be \frac{ \sqrt{5} }{ x^{2} y}.
Let me know if you have any further questions.
:)
3 0
3 years ago
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