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12345 [234]
2 years ago
9

Which of the following parabolas opens down?

Mathematics
1 answer:
iris [78.8K]2 years ago
4 0

Answer:

B

Step-by-step explanation:

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In ΔMNO, the measure of ∠O=90°, the measure of ∠M=74°, and OM = 5.4 feet. Find the length of NO to the nearest tenth of a foot.
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140.6 feet

Step-by-step explanation:

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Ella uses 3 inches of ribbon for each key chain she makes. How many key chains can she make with 4 yards of ribbon?
Marina CMI [18]

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48

Step-by-step explanation:

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2 years ago
If three times the larger of two numbers is four times the smaller and the difference between the numbers is 8, then the larger
MaRussiya [10]

Answer:

Larger number = 32

Step-by-step explanation:

Smaller number = x

Larger number = y

y - x = 8    -----------(I)

3y = 4x  ---------------(II)

3y/4 = x

Plug in x = 3y/4 in equation (I)

y - \frac{3}{4}y = 8\\\\\frac{4}{4}y - \frac{3}{4}y = 8\\\\\frac{1}{4}y = 8\\

 y = 8*4

  y = 32

Plug in y = 32 in equation (II)

3y = 4x

3*32 = 4x

4x = 3*32

x = \frac{3*32}{4}

x = 3 *8

x = 24

7 0
2 years ago
Mary can run 5 kilometers in 18.75 minutes.
trasher [3.6K]

Answer:

30 minutes

Step-by-step explanation:

Find the unit rate (time per SINGLE kilometer).

5/5=1 18.75/5=3.75

Multiply 3.75 (unit rate) by 8.

3.75 x 8=30

8 0
3 years ago
Larry has read 31 pages of his library book. The book contains p total pages.
OLEGan [10]

Answer:

31 u jest read it

Step-by-step explanation:

6 0
2 years ago
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