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wolverine [178]
3 years ago
9

Car A drove 251.25 miles in 3 hours and 45 minutes. What was Car A's speed in mph?​

Mathematics
1 answer:
vredina [299]3 years ago
3 0

Answer:

73 MPH

Step-by-step explanation:

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Miguel reads 3/4 chapters in 4/5 hours. What is the unit rate in chapters per hour?
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If its multiplication sipmlest form is, 6/10
If its addition simplest form is, 7/9
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3 years ago
What is the estimate of 90/7 divided by 1 3/4​
attashe74 [19]

Answer:

7×17/49

Step-by-step explanation:

90/7 × 4/7

90×4 / 7×7

360/49

7 17/49

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3 years ago
Y=x^2+3x-4 and y=4x-4
sweet [91]
The answer is (0,-4),(1,0)
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Hello I need help Finding the probability
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Each petal of the region R is the intersection of two circles, both of diameter 10. Each petal in turn is twice the area of a circular segment bounded by a chord of length 5\sqrt2, which implies the segment is subtended by an angle of \dfrac\pi2. This means the area of the segment is

\text{area}_{\text{segment}}=\text{area}_{\text{sector}}-\text{area}_{\text{triangle}}
\text{area}_{\text{segment}}=\dfrac{25\pi}4-\dfrac{25}2

This means the area of one petal is \dfrac{25\pi}2-25, and the area of R is four times this, or 50\pi-100.

Meanwhile, the area of G is simply the area of the square minus the area of R, or 10^2-(50\pi-100)=200-50\pi.

So

\mathbb P(X=R)=\dfrac{50\pi-100}{100}=\dfrac\pi2-1
\mathbb P(X=G)=\dfrac{200-50\pi}{100}=2-\dfrac\pi2
\mathbb P((X=R)\land(X=G))=0 (provided these regions are indeed disjoint; it's hard to tell from the picture)
\mathbb P((X=R)\lor(X=G))=\mathbb P(X=R)+\mathbb P(X=G)=1

4 0
3 years ago
John needs to produce a scale diagram of a bedroom using a scale of 1:40. The length of the room is 3.4 metres. What is the leng
Varvara68 [4.7K]

Answer:

8.5cm

Step-by-step explanation:

convert 3.4metres to cm that is by multiplying by 100

3.4×100=340cm

1rep 40

?rep 340

that is 340/40

=8.5cm

5 0
3 years ago
Read 2 more answers
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