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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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2 to the -6 power in expotional form and simplified in fractions
IceJOKER [234]

Answer:

1/64

Step-by-step explanation:

2 ^{ - 6}

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4 0
3 years ago
Read 2 more answers
Sheree pours 2 L of water equally into 10cups Each cup can hold 400 mL there is no water left in the bottle how much water is in
mina [271]
2L = 2000mL

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therefore, each cup is filled exactly half way

There is 200mL in each of the 10 cups. 
7 0
4 years ago
Billy-Bob has a piggy-bank filled with nickels and quarters totaling $11.90.
Lunna [17]

Answer:

x = 33

y = 41

Step-by-step explanation:

GIven

x: number of nickels

y: number of quarters

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then we have the system of equations

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Which can be solved applying any of known methods. Then, the solution is

x = 33

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hope this was helpful.

4 0
3 years ago
Tina brought some nail polish and lip gloss at the store.The nail polish costs $4.50 per bottle and lip gloss costs $7 per tube.
tatiyna
The answer to the question.

8 0
3 years ago
If f(x) = 3x 7, find f(a - 1) a. 3a 6 b. 3a 4 c. 3a 8 d. 3a 10
Rom4ik [11]
Hello,

Let's suppose f(x)=3x+7
f(a-1)=3(a-1)+7=3a-3+7=3x+4
Answer B with a sign "++++++++++++++++++++++++++++"


5 0
4 years ago
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