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2 years ago

[2647]A·[712813914]B=? help me!!!!!!!!!!!!!!!!!!!!!

Mathematics

1 answer:

Amanda [17]2 years ago

3 0

Is this suppose to be an equation or is there something missing here?

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1)2 out of 7 students are boys. about what percent of students are boys? please help me with the question it is due tomorrow!!!!

notka56 [123]

The long answer is <span>28.571428%, but I would round it upwards to make it seem more realistic.</span>

8 0

2 years ago

Two triangles are similar.The the smaller triangle has side 10,20 and 15 units the larger triangles longest side is 52 units.Wha

Oliga [24]

Answer: The perimeter of the largest triangle = 117 units.

Step-by-step explanation:

Sides of smaller triangle = 10,20 and 15 units

Longest side = 20 units

Longest side of larger triangle = 52 units

Sides of two similar triangles are proportional.

Let k be proportionality constant.

$k=\dfrac{\text{Length in larger triangle}}{\text{Length in smaller triangle}}$

$k=\dfrac{52}{20}\\\\\Rightarrow\ k=\dfrac{13}{5}$

Length of other two sides,

$10\times\dfrac{13}{5}, 15\times\dfrac{13}{5}\ i.e.\ 26\text{ units}, 39\text{ units.}$

So sides of larger triangle = 52 units, 26 units , 39 units

Perimeter of largest triangle = 52 +26+39 = 117 units

Hence, the perimeter of the largest triangle = 117 units.

4 0

3 years ago

360 words in 1/12 hour. Second try 360 words in 1/15 hour. Was he faster or slower second attempt

xxTIMURxx [149]

Answer:

Second Attempt is faster.

Step-by-step explanation:

He reads 360 words in $\frac{1}{12}$ hour in the first attempt and in the second attempt he reads the same number of words in $\frac{1}{15}$ hour.

Since, $\frac{1}{15} < \frac{1}{12}$ he takes less time in the second time. Less time means the work is done faster.

Therefore, second attempt is faster.

8 0

3 years ago

Which expression is equivalent to 2x^2 - 2x + 7?

IgorC [24]

Answer:

(o,7) vertical intercept

minimum (1/2 , 13/2)

4 0

3 years ago

The area of a square equals the square of a length of the side of the square. The perimeter of a square equals the sum of the le

Murrr4er [49]

Answer:

Step-by-step explanation:

because the are la of the square is equal all sides of area

5 0

2 years ago