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V125BC [204]
3 years ago
13

Evaluate -3- (-4) - (-2) + 1.

Mathematics
1 answer:
Shtirlitz [24]3 years ago
8 0

Answer:

4

Step-by-step explanation:

-3+4+2+1=4

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There are 50 read beans and 50 white beans in a bag . The first bean selected is red . The red bean is returned to the bag . Wha
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Answer:

50% as there is 100 beans all together

4 0
3 years ago
Find the measure of MNQ
xz_007 [3.2K]

Answer:

m∠MNQ = 158

Step-by-step explanation:

As it can be seen in the figure:

+) The measure of arc MQ = 91 degree

+) The measure of arc RP = 225 degree

As this is the circle, four points M, Q, P and R are on the circle, so that we have:

+) m∠RMP = 1/2. measure of arc RP = 1/2 x 225 = 112.5 degree

As N is on MP

=> m∠RMN = m∠RMP = 112.5

+) m∠ MRQ = 1/2 measure of arc MQ = 1/2 x 91 = 45.5 degree

As N is on RQ

=> m∠MRN = m∠MRQ = 45.5

In the triangle RMN, the total measure of 3 internal angles is equal to 180 degree, so that:

m∠MNR + m∠RMN + m∠MRN = 180

=> m∠MNR + 112.5 + 45.5 = 180

=> m∠MNR  = 180 -112.5 -45.5 = 22

As N is on QR

=> m∠MNR + m∠MNQ = 180

=> m∠MNQ = 180 - m∠MNR  = 180 - 22 = 158

So that m∠MNQ = 158

8 0
3 years ago
There was a blizzard. Snow was falling at a rate of 4 ½ inches per hour. If the snow kept accumulating at the same rate, how lon
Oxana [17]
So just divide 27 by 4 1/2 or 4.5, you should get 6 so it would take 6 hours for the snow to get to 27 inches
6 0
2 years ago
Can someone answer them pls i really need help
fenix001 [56]

Answer:

I subtract it the porportiin

Step-by-step explanation:

And what year r u in ???? So then I'm help u and understand

5 0
3 years ago
Circle O has a circumference of approximately 250 ft
Varvara68 [4.7K]

Answer:

80 feet

Step-by-step explanation:

c=d\pi

Substitute 250 in for circumference

250=\pid

Divide by \pi or 3.14

d=79.617...

So, the diameter is approximately 80 feet

Hope this helps! :)

8 0
3 years ago
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