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sdas [7]
3 years ago
12

You your driving from Austin to Houston with a constant speed of 120km/hr (75 mph). After 1.5 hr you stop for 0.5 hr. Then you c

ontinue driving with a new constant speed v2 and reach Houston 45 mins later. If the total distance from Austin to Houston is 265km, what is the speed v2?
Mathematics
1 answer:
Aneli [31]3 years ago
7 0

Answer:

69

Step-by-step explanation:

i'm just hear to get points sorry

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A car travels at a speed of 85 miles per hour. How far will it travel in 15 mins?
marusya05 [52]

In this question, we're trying to find how many miles a car travels in 15 minutes.

We know that the car travels at 85 mph.

However, we need to know how many miles it travels per minute.

To find this, we would divide 85 by 60.

85 ÷ 60 = 1.4166

The car drives at a speed of about 1.42 per minute.

We need to know how far it goes in 15 minutes, so multiply 1.42 by 15.

1.42 · 15 = 21.3

The car travels at a approximately 21.3 miles in 15 minutes.

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Write 13/40 as a decimal?
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0.325 is the answer. :)

6 0
3 years ago
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The three expressions, sin-2, cos-1, and tan-1 are called _<br> trigonometric functions
Alex_Xolod [135]

Answer:

Inverse.

Step-by-step explanation:

Inverse trigonometric functions.

e. g. tan-1 x means 'the angle whose tangent is x'.

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3 years ago
What type of tone is NOT likely to be found in a soft news article?
yan [13]

Answer:

B

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Straight forward means direct and can be sometimes harsh.

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5. Which equation is of a circle that has a center at
Basile [38]

Answer:

\large\boxed{D.\ (x-3)^2+(y+2)^2=81}

Step-by-step explanation:

The standard form of an equation of a circle:

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(h, k) - center

r - radius

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(x-3)^2+(y-(-2))^2=9^2\\\\(x-3)^2+(y+2)^2=81

5 0
3 years ago
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