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ValentinkaMS [17]
3 years ago
5

True or False: The following pair of ratios are equivalent ratios.8/9 and 72/81

Mathematics
2 answers:
dybincka [34]3 years ago
3 0
True. 8*9=72 and 9*9=81. Original ratio is being multiplied by 9/9
Papessa [141]3 years ago
3 0
The answer would be True
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What is the distance between (-1,6) and (2,8) round to the nearest hundredth
xenn [34]

Answer:

3.61

Step-by-step explanation:

Use the distance formula

√(2−−1)^2+(8−6)^2

√(2+1)^2+(8−6)^2

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√9+4

√13

√≈3.605551275463989

round to the nearest hundredth

3.61

Hope this helps! Plz award Brainliest : )

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3 years ago
The product of seven non-zero factors. of which only three are positive. is
Mekhanik [1.2K]

Answer:

The answer is A

Step-by-step explanation:

This is one of those sneaky questions where you think there is no definite answer, but don't despair. There is an answer.

You have 7 numbers

3 of them are positive which means greater than 0. Let's pick them

3 4 5 = 60

That part's easy. Those 3 numbers give a plus result.

Now try the other 4 numbers

-3  - 2  - 1 - 4

Do you see what's going to happen. You have -3 * - 2 = 6

then you get - 1 * - 4 = 4

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4 0
2 years ago
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SIZIF [17.4K]

Answer:

correct answer = 90%

Step-by-step explanation:

Let x be the percent of the question did she answer correctly.

Given:

An engineering student answered 81 questions correctly on a 90 question test.

Find the percent of the question did she answer correctly.

Solution:

Percentage formula is given below

% answer =\frac{correct\ answer}{total\ questions}\times 100

% answer =\frac{81}{90}\times 100

% answer =\frac{81\times 100}{90}

% answer =\frac{81\times 10}{9}

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Therefore, she answered 90% correctly.

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