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Alecsey [184]
3 years ago
10

Michael is headed to his aunt’s house. For the first 2 hours he drives at 55 mph. For next hour, he drives 70 mph. For the final

2 hours he drives 50 mph.
How far does he travel?
Mathematics
2 answers:
mina [271]3 years ago
5 0

Answer: 280 miles I think

Step-by-step explanation:

At first, he drives 110. Then hes at the 180 mile mark. And at the end he is at 280. 110 + 70 + 100. I’m very sorry if I’m wrong.

Daniel [21]3 years ago
5 0
As i know it is 290 miles
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anyanavicka [17]

Step-by-step explanation:

about circle R

arc angle MP = angle MRP = 78°

angle M = angle LMP.

according to the rules of inscribed angles, LMP is half of angle LRP.

LRP + MRP = 180° because together they cover the whole LM segment (half-circle).

LRP = 180 - MRP = 180 - 78 = 102°

so, LMP = angle M = 102/2 = 61°

also circle R (with arc ULNP)

the arc ULNP = arc UL + arc LN + arc NP = 160°

due to the congruent definition of JU and MP we know that arc UL = arc NP.

and we know arc LN = arc JM = 18°.

so,

160 = 2×arc NP + 18

142 = 2×arc NP

arc NP = 71° = arc UL

now, because arc MP + arc LP = 180 (half-circle),

arc MP = 180 - arc LP = 180 - arc LN - arc NP =

= 180 - 18 - 71 = 91°

about the circle R with 2 congruent chords :

the second answer : they are equidistant from R (the center of the circle).

about circle W

arc MK + arc KL = 180° (half-circle).

and we see

arc HL = arc KL = 53°.

so,

arc MK + 53 = 180°

arc MK = 180 - 53 = 127°

about circle M

arc QTS = 204°.

therefore, arc QRS = 360 - arc QTS = 360 - 204 =

= 156° = angle QMS.

according to the rules of inscribed angles

angle QTS = QMS/2 = 156/2 = 78°

4 0
2 years ago
Ben and Tom each take a driving test.
GaryK [48]

Answer:

(b)0.56

(c)0.38

Step-by-step explanation:

(a)The tree diagram is attached.

P(Ben Fails)=1-0.8=0.2

P(Tom Fails)=1-0.7=0.3

(b)Probability that  both will pass their driving test.

P(both will pass)=0.8 X 0.7 =0.56

(c)Probability that  only one of them will pass their  driving test.

P(Tom Bass, Ben Fails OR Ben Pass, Tom Fails)

=(0.7 X 0.2)+(0.8 X 0.3)

=0.14+0.24

=0.38

3 0
3 years ago
When 4 is subtracted from 5 times a number, the result is 16. what is the number?​
Deffense [45]
4
5x - 4 = 16
Add four to both sides
5x = 20
Divide both sides by 5
x = 4
4 0
3 years ago
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What is the value of x? 6.75 + 3/8 x = 13 1/4
wolverine [178]
6.75 + 3x/8 = 13.25
3x/8 =13.25 - 6.75
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3 years ago
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Anastaziya [24]

Answer:

8

Step-by-step explanation:

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you first distribute 3 through the parenthesis

24-3m=5m-40

Move the variable to the left and change sign

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now move the constant to the right

-3m-5m=-40-24

collect like terms

-8m=-40-24

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Divide both sides by -8 and negative divide negative number becomes positive

so m = 8

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3 years ago
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