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Grace [21]
3 years ago
8

HELP WILL GET BRAINLIEST Select the correct answer.

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

Answer:

its 0.3

Step-by-step explanation:

i got it wrong bcuz i chose something else but trust me its 0.3

brainliest plz

You might be interested in
You and a friend start biking in opposite directions from the same point. You travel 108 feet every 8 seconds. Your friend trave
kkurt [141]

Answer:

You and your friend are about 2.09 miles apart after 15 minutes.

Step-by-step explanation:

To find your distance apart, you can convert 15 minutes to seconds because that is what the rate is given in.

15 mins x 60 seconds = 900 seconds.

In 900 seconds, there are 900/8=112.5 groups of 8 seconds. This means there are 112.5 groups of 108 feet.

112.5 x 108 = 12150 feet

12150 feet/5280 feet is approximately 2.3 miles.

For your friend you take 900/6 = 150 groups of 6 seconds.

150 x 63 = 9540 feet

9540 feet/5280 feet = 1.79 miles

1.79 miles + 2.3 miles = 2.09 miles

You and your friend are about 2.09 miles apart after 15 minutes.

8 0
3 years ago
The electric car completed the 14 -mile race in 11.961 seconds. What was the electric car’s average speed during the race, to th
s2008m [1.1K]

Answer:

Not sure if you meant 14 or 1/4

14 - 4213.69 miles per hour

1/4 - 75.2445 miles per hour

Step-by-step explanation:

Convert to min then to hours. Then D/T

8 0
3 years ago
The revenue of the company is given by the equation R = x (1000 – 4x), where R is the revenue of the company in dollars when thy
ad-work [718]

Answer:

100 or 150 units of the product.

Step-by-step explanation:

R = x(1000-4x)

What is the value of x if R = 60,000?

x(1000-4x) = 60000

-4x^2 + 1000x = 60000

x^2 - 250x = -15000

x^2 - 250x + 15000 = 0

Factorize:

(x-100)(x-150) = 0

x-100 = 0 V x-150 = 0

x = 100 V x = 150

6 0
3 years ago
last month, a bookstore ran the following at and sold 85 calculators, generating $4,083 in sales. How many of each type of calcu
Scilla [17]

Answer:

31 scientific calculators

54 graphing calculators

Step-by-step explanation:

X = number of $15 calculators

Y = number of $67 calculators

X+Y = 85   then X = 85-Y

15X+67Y = 4083

substitute for X

15(85-Y)+67Y = 4083

1275 - 15Y + 67Y = 4083

reduce

52Y = 2808

Y = 54

X = 31

6 0
3 years ago
Evaluate tan(Sin-1(-5/13)). Answer as a fraction please.
dangina [55]

Using pythagorean identities,tan(sin^-1(-5/13))= tan(arcsin(-5/13))

Let A = arcsin(-5/13) = -arcsin(5/13)

Thus, sin A = -5/13 and cos A = sqrt(1 - (5/13)^2) = 12/13.= tan(A)= sin(A) / cos(A)= -5/13 / (12/13)= -5/12


I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!

3 0
4 years ago
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