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nata0808 [166]
3 years ago
6

Fill in the blank to complete the equation below__ + 81 = 9(7+9)

Mathematics
2 answers:
Elis [28]3 years ago
5 0

Answer:

63

Step-by-step explanation:

9(7+9) = 63 +81

antoniya [11.8K]3 years ago
5 0

Answer:

Hi your answer is 144 i don't how i got but it is 144

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Factor and\or expand the following expression : 3(2x + w)
lutik1710 [3]

Answer:

6x +3w

Step-by-step explanation:

3(2x + w)

Distribute

3*2x +3*w

6x +3w

7 0
3 years ago
Read 2 more answers
What is the ratio of the intensities of an earthquake PP wave passing through the Earth and detected at two points 19 kmkm and 4
Tamiku [17]

Answer:

The ratio of the intensities is roughly 6:1.  

Step-by-step explanation:

The intensity I() of an earthquake wave is given by:

I = \frac{P}{4\pi d^{2}}

<em>where P: is the power ans d: is the distance. </em>

Hence, the ratio of the intensities of an earthquake wave passing through the Earth and detected at two points 19 km and 46 km from the source is:

\frac{I_{1}}{I_{2}} = \frac{P/4\pi d_{1}^{2}}{P/4\pi d_{2}^{2}}

<em>where I₁ = P/4πd₁², d₁=19 km, I₁ = P/4πd₂² and d₂=46 km     </em>

\frac{I_{1}}{I_{2}} = \frac{d_{2}^{2}}{d_{1}^{2}}

\frac{I_{1}}{I_{2}} = \frac{46 km^{2}}{19 km^{2}}

\frac{I_{1}}{I_{2}} = 5.9:1

Therefore, the ratio of the intensities is roughly 6:1.  

 

I hope it helps you!    

3 0
3 years ago
What is 21/49 sinple
NikAS [45]
21/49 in simplist from would be 3/7.
Your answer is <em>3/7</em>
6 0
3 years ago
Read 2 more answers
2+2<br> Show your work and the first answer gets a brainliest
bazaltina [42]

Answer:

Four/4

Step-by-step explanation:

Add both numbers together.

2+2

4

8 0
3 years ago
A.Find the measures of the remaining angles of parallelogram KLMN. Justify each of the measures with a theorem.
Inga [223]

a.

<K = <M = 50 ...Opposite angels are congruent

<K + <L  = 180...Consecutive angles are supplementary

 50 + <L  = 180 so <L = 180 - 50 = 130

<L = <N = 130...Opposite angels are congruent

50 + <N  = 180 so <N = 180 - 50 = 130

b.

MN = LK = 7...Opposite sides are congruent

KN = LM = 10...Opposite sides are congruent

4 0
3 years ago
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