3 years ago

Carlton ran 7 3/4 miles in 52 7/10 minutes. what is his average pace per minute?

Mathematics

1 answer:

ANEK [815]3 years ago

8 0

Answer:

7 3/4 miles = 7.75 miles

7.75 / 52.7 minutes = 0.1470588235 miles per minute

= 776.4705882353 feet per minute

Step-by-step explanation:

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Assume that θ is a positive acute angle. Given: sin θ =28/53 Find: sin2θ

antiseptic1488 [7]

Answer:

725 - 360 = 365

365 - 360 = 5

The acute angle is 5 degrees.

sin2θ = sin(2*5) = sin(10) = 0.1736

Step-by-step explanation:

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2 years ago

What should be added 0.7 to get 1

sveticcg [70]

Answer:

0.3

Step-by-step explanation:

x is the number to be added to 0.7 to have a sum of 1.

$0.7 + x = 1$

$x = 1 - 0.7$

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3 years ago

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What number should be added to both sides of the equation to complete the square? x^2 – 6x = 5

NeTakaya

You will add $( \frac{-6}{2} )^{2}$
$(-3)^{2}$
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3 years ago

One number is 6 times a first number. A third number is 100 more than the first number. If the sum of the three numbers is580 ,

jenyasd209 [6]

Answer:

x = 60

1) 60

2) 360

3) 160

60 + 360 + 160 = 580

Step-by-step explanation:

1) x

2) 6x

3) x + 100

x + 6x + x + 100 = 580

8x = 580 - 100

x = 480/8

x = 60

7 0

2 years ago

Plzz help find value of following : 2sin75°.cos15°

polet [3.4K]

Answer:

$\frac{2+\sqrt{3} }{2}$

Step-by-step explanation:

Using the product to sum formula

sinxcosy = $\frac{1}{2}$ [ sin(x + y) + sin(x - y) ] , then

2sinxcosy = sin(x + y) + sin(x - y)

Given

2sin75°cos15° ← with x = 75 and y = 15 , then

= sin(75 + 15) + sin(75 - 15)

= sin90° + sin60°

= 1 + $\frac{\sqrt{3} }{2}$

= $\frac{2+\sqrt{3} }{2}$

6 0

2 years ago