All categories

3 years ago

In math what is the answer to this question. -27•7/9=

Mathematics

2 answers:

alukav5142 [94]3 years ago

8 0

Divide the numerator and denominator by 9 : -3•7 / 1 = -21.

This method only works in math.

ValentinkaMS [17]3 years ago

5 0

First we multiply -27 times 7 which give us a result of -189.
Then we divided by 9.
So the answer is -21.
I we what to check we can multiply -21 * 9 which is -189
Or divide -189 divided by -21 whic is 9

You might be interested in

Solve (3r-1)(2r+2r+3)

n200080 [17]

ANSWER:
12r^2+5r-3

STEP BY STEP:
look at picture

3 0

3 years ago

Select all that are true!!!!!!

nignag [31]

Answer:

The first and 3rd answer

Step-by-step explanation:

7 0

4 years ago

Please solve much appreciated

tankabanditka [31]

Answer:

Two equivalent fractions with whole numbers may be 180/150, or 6/5

The height of the tree is 39.6 feet.

Explanation:

The diagram provides the proportion of the heights to the shadows:

$\frac{x}{33}=\frac{1.8}{1.5}$

From that you are asked (i) to simplify the fraction of the right side to one with whole numbers.

You can do that in two steps by multiplying both numerator and denominator by 10:

$\frac{1.8\times 10}{1.5\times 10}=\frac{180}{150}$

You can simplify that fraction if you divide by the greatest common factor of 180 and 150, which is 30:

$\frac{180/30}{150/30}=\frac{6}{5}$

The second part (ii) asks to find the height of the tree, that is x. To solve for x you can multiply both sides by the denominator of the fraction on the left and then simplify:

$\frac{x}{33}=\frac{6}{5}\\ \\ x=\frac{6\times 33}{5}\\ \\ x=\frac{198}{5}=39.6$

Thus, the height of the three is 39.6 feet.

6 0

3 years ago

Sahana sells two products for ₹. 8000 each gaining 8% on one and losing 6% on the other. Find her gain or loss percent in the wh

Margaret [11]

Based on the information given the gain or loss percent on the whole transaction is 1%.

<h3>Gain or loss percent: </h3>

First step is to calculate the profit on the whole transaction

Profit=(8%×8,000)-(6%×8,000)

Profit=$640-$480

Profit=$160

Now let calculate the gain or loss percentage on the whole transaction

Gain or loss percentage=160/(8000+8000)×100

Gain or loss percentage=160/16000×100

Gain or loss percentage=1%

Inconclusion the gain or loss percent on the whole transaction is 1%.

Learn more about gain or loss here:brainly.com/question/25278228

5 0

2 years ago

Please help with this

Nitella [24]

it would equal 21 hope this helps

3 0

3 years ago