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amm1812
3 years ago
14

can someone please help with my geometry homework?? i haven't been in the class for a year and i'm starting off the second semes

ter completely blind to everything!! please help

Mathematics
1 answer:
sattari [20]3 years ago
3 0
Ok so for number 5, AB is proportional to BC just like PQ is proportional to QR. AB = 9, BC = 15, PQ = 3, and QR = x. 9/15 = 3/x. Cross Multiply: This gives you - 9x = 45. Divide both sides by 9, and you get x = 5. QR = 5
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11-6 3/8 simple form
NeTakaya
Simplest for answer = 4 5/8
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3 years ago
David and Patti each decomposed 138. David wrote 1 + 1/8 + 3/8. Patti wrote 4/8+2/8+5/8.
BaLLatris [955]

Answer:

Both are wrong.

Step-by-step explanation:

We have that:

Both decomposed the fraction \frac{13}{8} into a sum of fractions. Whoever's decomposition sum has a value of \frac{13}{8} is correct.

David:

1 + \frac{1}{8} + \frac{3}{8} = \frac{8}{8} + \frac{1}{8} + \frac{3}{8} = \frac{8+1+3}{8} = \frac{12}{8}

\frac{12}{8} \neq \frac{13}{8}, which means that David is wrong.

Patti

\frac{4}{8} + \frac{2}{8} + \frac{5}{8} = \frac{4+2+5}{8} = \frac{11}{8}

\frac{11}{8} \neq \frac{13}{8}, which means that Patti is wrong.

So the answer is that both are wrong.

3 0
3 years ago
Saturn's rings extend to about 120,000 kilometers above Saturn's equator. Saturn's diameter at its equator is also about 120,000
Allisa [31]

<u>Answer:</u>

1130400 km

<u>Step-by-step explanation:</u>

We know the formula for circumference of a circle:

<em>Circumference = 2\pi r</em>

So we need the radius of Saturn ring to calculate its circumference.

We are given Saturn's diamter which is 120,000km; and know that Saturn's ring extends for about 120,000 km from the circumference of the Saturn.

Therefore, the radius of Saturn's ring will be 120000 km plus half of the diameter of Saturn:

Radius of Saturn's ring = 120000 + (120000/2) = 180000 km

Circumference of Saturn's rings = 2 x 3.14 x 180000 = 1130400 km

3 0
4 years ago
Please help quickly!
arlik [135]

Answer:

A

Step-by-step explanation:

Since both graphs are straight lines passing through the origin, then they both display a proportional relationship


4 0
3 years ago
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VashaNatasha [74]

Answer:

8

Step-by-step explanation:

           

5 0
3 years ago
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