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Rashid [163]
2 years ago
10

A kids skipping rope is 7ft long. How many ropes could I cut from a 10 yard long piece of rope?

Mathematics
1 answer:
Hatshy [7]2 years ago
7 0
3 feet are in one yard
so 3 ×10 =30
so 30 ÷ 7 = 4.2
Answer is 4
even is there if there is a decimal only 4 can be made
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What is the selling price of a $610 couch with a 25% markup?
defon

Answer:

762.5

Step-by-step explanation:

25% of 610 is 152.5 and 610 + 152.5 is 762.5

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8 0
2 years ago
Name the additive inverse of square root 52
KATRIN_1 [288]

Hey!!

Additive inverse = the opposite

The square root of 52 is 7.2 ( approx )

the additive inverse is -7.2

Hope my answer helps!

3 0
2 years ago
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A convex lens has a diameter of 30 mm and a depth of 5 mm at the center. How far from the vertex is the focus?
natima [27]
The formula for determining the distance of the focus from the vertex is as follows,

     f = x² / 4a

where f is focus, x is the radius (half the value of diameter), and a is the depth. Substituting the known values to the given equation,

   f = (30/2 mm)² / (4)(5 mm)

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<em>ANSWER: 11.25 mm</em>
8 0
2 years ago
Select the expressions that are equivalent to 18m - 12.
krok68 [10]

Answer:

All the expressions other than option E, is equivalent to the expression 18m - 12.

Step-by-step explanation:

A. 6m - 4 + 6m -4 + 6m - 4

or 6m+6m+6m -4 -4 -4

or 18m -12

B. 12m + 6 - 6m -6

or 12m - 6m + 6 - 6

or 6m

C.6(3m - 2)

or 18m - 12

D.3(6m - 4)

or 18m - 12

E. 24n - 4² + 8 -6m

This option can not satisfy the given expression as it contains another variable as n.

4 0
2 years ago
A doctor observes a graph that shows the electrical activity (in volts) of the heart of a patient over a period of time (in seco
hodyreva [135]

Answer:

90 beats per minute

Step-by-step explanation:

By looking at the graph, we see that exactly at second 6, the 9th beat occurs. We can take that to beats/min by multiplying that relation by 10 (since there are ten 6sec in one minute).

9beats every 6sec * 10 = 90beats/min

6 0
2 years ago
Read 2 more answers
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