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notka56 [123]
3 years ago
13

HELP FAST. A circle with radius of 3 cm sits inside a 8 cm x 7 cm rectangle.

Mathematics
1 answer:
defon3 years ago
4 0

Answer:

27.73 cm

1. Find the area of the rectangle: 8x7=56 cm

2. Find the area of the circle: pi x 3 squared= 28.2743338....cm

3. Subtract area of the circle from the area of the rectangle: 56 - 28.27433=27.72567cm

4. Round to the nearest hundredth: 27.73 cm

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Graph and write the solution:<br><br> Y= x - 4<br> Y= 1/3x - 2
Reika [66]

Answer:

1. x=4

2. x=6

Step-by-step explanation:

I've attached the graphs here:

Clearly, the solution for first one is(Reminder: the solution is the x-intercepts, when y is zero):

x=4

And the second is:

x=6

Hope this helps!

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6 0
3 years ago
4-inch by 6-inch what is the width of 15 inches for a ratio table
quester [9]

This is a ratio problem; the ratio of the length to width is constant (and therefore equal):

4 /6 = 15 / x

Now, with a ratio, we may do any allowable algebra operation: cross-multiply, invert both sides, multiply or divide both sides by the same amount, etc.

Let's cross-multiply:

4x = (15)(6)

x = 90/4

x = 22.5 in.

3 0
3 years ago
I’ll give BRAINLIEST to best answer, please answer fast.
Basile [38]

2 waffles =3$

2x4=8 waffles (How many waffles Sage wants)

3 + 3 + 3 + 3= 12  (or 3x4)

(2) (4) (6) (8)

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4 waffles= 4$

4 waffles x2=8$

<u>8$ at Scoopz</u>

12-8= 4

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3 0
3 years ago
For an outdoor concert by the city​ orchestra, concert organizers estimate that 19 comma 000 people will attend if it is not rai
Amiraneli [1.4K]

Answer:

14,800 people are expected to attend the concert

Step-by-step explanation:

In this question, we are tasked with calculating the expected number of people that will attend a concert on a particular day.

The key to answering this question is to multiply the individual probabilities of the two events by the expected number of people

Mathematically, what we obtain is the following;

The expected number of people at the concert = (probability of raining × expected number of people when it rains) + (probability of not raining × Expected number of people when it does not rain)

From the question, we identify that;

Probability of raining = 30% = 30/100 = 0.3

Probability of not raining = 1-probability of raining = 1-0.3 = 0.7

Expected number of people when it rains = 5,000

Expected number of people when there is no rain = 19,000

we plus these vales into the equation we have;

The expected number of people at the concert =( 0.3 × 5,000) + (0.7 × 19,000) = 1,500 + 13,300 = 14,800 people

6 0
3 years ago
jenny wrapped 30 gifts,jenny wrapped 5 times as many gifts as hong let n be the number of gifts that hong wrapped
Whitepunk [10]

n = 6

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7 0
3 years ago
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