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Nonamiya [84]
2 years ago
11

Please help quick quick

Mathematics
2 answers:
GalinKa [24]2 years ago
8 0

Answer:

20x+80y-60

Step-by-step explanation:

You times ten to everything because it is outside the parentheses.

sasho [114]2 years ago
5 0

Answer:

you would distribute the 10 to the 2 so 20x + 80y - 60

Step-by-step explanation:

you distribute the 10 to each of the numbers

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A new road was added near Riana's neighborhood. The road is 5 miles long, and the city plans 1/10 to place a streetlight every m
elena55 [62]

Answer:

= 49  

Answer.

Step-by-step explanation:

Solution:-

Length of the road = 5 miles

Distance between every two streetlights = 1/10 miles

Total number of streetlights placed on the new road = 5 ÷ 1/10

= 5*10

= 50 streetlights

As there is already a streetlight at the beginning of the new road, so the number streetlights will be = 50 - 1

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3 years ago
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Please help thank you and show all work.
Daniel [21]
Question 1:

Look at the first attached image.

We want to solve for the height of the smaller building. Let's start by making a right triangle with angle of 15 degrees and adjacent side of 51 m.

Let's solve for the other leg. Multiply the tangent with 51 m to get the length of the other leg.

51*tan(15)
\approx 14

Now, subtract that from 207 to get the height of the smaller building.

207-14=193

That's your answer.

Question 2:

The angle of elevation is congruent to the angle of depression because they are alternate interior angles.

Thus, you can choose the 1st and 4th choices as your answer.

Question 3:

Look at the second attached image.

Angle E is congruent to angle D for the same reasons mentioned in the last question.
We can create an equation.

3x+1=2(x+8)

Distributive property

3x+1=2x+16

Subtract both sides by 1 and 2x

x=15

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6 0
3 years ago
Rewrite each fraction with a denominator of 10.<br> a<br> 7<br> - IN<br> 2<br> 3 <br> IN <br> 5
PolarNik [594]

Answer:

7/2 = 35/10

3/5 = 6/10

Step-by-step explanation:

To get a common denominator of 10, simply multiply the current denominator by any number to equal 10. The first fraction has a denominator of 2. If we divide 10 by 2, we get the answer 5. This means 2 can be multiplied by 5 to get a denominator of 10. However, what we do to the denominator we must also do to the numerator (multiply by 5).

7/2

7 × 5 / 2 × 5

35/10

3/5

3 × 2 / 5 × 2

6/10

brainliest pls

6 0
2 years ago
The exact value of 5pi/12 is?
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