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kvasek [131]
2 years ago
6

Can someone help me with this

Mathematics
1 answer:
sweet-ann [11.9K]2 years ago
7 0

Answer:

the diameter is 12 inches

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a square with sides of length 5 is positioned inside a square with sides of length 7. What is the total area between the squares
Vlad [161]
5x7=35
your answer is 35 hope i helped
3 0
3 years ago
Read 2 more answers
It takes Emma 28 minutes to type and spell check 14 pages of manuscript. How long will it take her to type and spell check 77 pa
N76 [4]

Answer:

154 Minutes

Step-by-step explanation:

So first we know that:

28 divided by 14 is:

2

Next Multiply 77 by 2:

154 Minutes

Hence, the correct answer is 154 Minutes

7 0
2 years ago
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Find the surface area of the prism
navik [9.2K]
There are 6 faces to the prism:
2 each of (Length x Width): 2(4 x 4) = 2(16) = 32 m²
2 each of (Length x Heighth): 2(4 x 8) = 2(32) = 64 m²
2 each of (Width x Heighth): 2(4 x 8) = 2(32) = 64 m²

The sum of the faces is the Surface Area (S.A.)
32 m² + 64 m² + 64 m² = S.A.
160 m² = S.A.
7 0
3 years ago
I left Boston for Washington, DC, at 7:00 am. At first, my speed was 55 mph; then it was 75 mph. I traveled 630 miles in 10 hour
borishaifa [10]

Answer:

<u>We began to drive at 75 mph at 1:00 p.m.</u>

Step-by-step explanation:

1. Let's review the information given to us to answer the question correctly:

Speed at the beginning of the trip = 55 mph

Speed at the end of the trip = 75 mph

Distance from Boston to Washington D.C. = 630 miles

Time of the trip = 10 hours

2. At what time did I begin to drive faster?

Let's recall that Speed = Distance/Time, therefore Time = Distance/Speed

Let x represent the distance we drove at 55 mph and 630 - x the distance we drove at 75 mph, thus:

Time we drove at 55 mph + Time we drove at 75 mph = Time of the trip

Replacing with the real values, we have:

x/55 + (630 - x)/75 = 10

75x + 55 * (630 - x) = 41,250 (4,125 as Lowest common multiple)

75x + 34,650 - 55x = 41,250

20x = 41,250 - 34,650 (Subtracting 34,650 at both sides)

20x = 6,600

x = 6,600/20

x = 330 ⇒ 630 - x = 300

Time we drove at 55 mph = 330/55 = 6 hours

Time we drove at 75 mph = 300/75 = 4 hours

<u>We began to drive at 75 mph at 1:00 p.m. (7 am + 6 hours)</u>

7 0
3 years ago
A discipline committee is selected by placing the names or 12 teachers in a bag and than randomly drawing 3 of the names it ther
labwork [276]

Answer:

b

Step-by-step explanation:

Probability calculates the likelihood of an event occurring. The likelihood of the event occurring lies between 0 and 1. It is zero if the event does not occur and 1 if the event occurs.

For example, the probability that it would rain on Friday is between o and 1. If it rains, a value of one is attached to the event. If it doesn't a value of zero is attached to the event.

probability that the committee will be made up of all math teachers  = total number of maths teacher / total number of teachers

7 / 12

6 0
2 years ago
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