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kiruha [24]
3 years ago
14

Evaluate the expression using the distributive property (2 1/4) x (-8)

Mathematics
1 answer:
Amiraneli [1.4K]3 years ago
4 0

So you first have to change the first part into an improper fractions

So (9/4)*-8 Then you expand and you get (9*-8)/4

Then you get -72/4

The answer is -18

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HURRY FAST REPLIESSS
telo118 [61]

Answer:

14.8

Step-by-step explanation:

13^2 + 7^2 = 218

sqrt(218) = 14.76

8 0
2 years ago
One copy of a new book by Amanda's favorite author cost $9.45. If a total of 2,740 copies of the book were sold on the first day
Arisa [49]
Without taking out the cost that would be given to the author and publisher it would be $25,893, you just multiply 9.45 by 2,740
4 0
2 years ago
One of the same-side exterior angles formed by two lines and a transversal is equal to 1/6 of the right angle and is 11 times sm
sergey [27]

One of the same-side exterior angles formed by two lines and a transversal is equal to 1/6 of the right angle and is 11 times smaller than the other angle. Then the lines are parallel

<h3><u>Solution:</u></h3>

Given that, One of the same-side exterior angles formed by two lines and a transversal is equal to 1/6 of the right angle and is 11 times smaller than the other angle.  

We have to prove that the lines are parallel.

If they are parallel, sum of the described angles should be equal to 180 as they are same side exterior angles.

Now, the 1st angle will be 1/6 of right angle is given as:

\begin{array}{l}{\rightarrow 1^{\text {st }} \text { angle }=\frac{1}{6} \times 90} \\\\ {\rightarrow 1^{\text {st }} \text { angle }=15 \text { degrees }}\end{array}

And now, 15 degrees is 11 times smaller than the other  

Then other angle = 11 times of 15 degrees

\text {Other angle }=11 \times 15=165 \text { degrees }

Now, sum of angles = 15 + 165 = 180 degrees.

As we expected their sum is 180 degrees. So the lines are parallel.

Hence, the given lines are parallel

5 0
3 years ago
15s^11-25s^4 factorised <br><br> plz tell me. :)
saveliy_v [14]

For the numeric part, you'll have to find the GCD of 15 and 25, which is 5. So, we can factor a 5 and we have

5(3s^{11}-5s^4)

As for the literal part, you can factor s^4 because it's the power of s with the smallest denominator. So, we have

5s^4(3s^7-5)

8 0
2 years ago
If ∠8 measures 116°, what is the measure of ∠3? (Lines b and c are parallel.)
natita [175]
The first one 64 degrees
7 0
2 years ago
Read 2 more answers
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