Can someone help me to saved time on homework and plz solve 1 through 6

Mathematics

1 answer:

Debora [2.8K]3 years ago

5 0

#1 = 54 yards

Step-by-step explanation:

1 foot= 3 yards. If you multiply 18 × 3 the answer is 54.

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a soccer team practiced 3 times a week. each practice lasts for 110 minutes. the team practices for 14 weeks during the season.

Fittoniya [83]

3 weeks x 110 minutes = 330 minutes
330 minutes a week x 14 weeks = 4620 minutes
4620 divided by 60 minutes = 77 hours
77 hours is your answer

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3 years ago

Which word phrase could represent the algebraic expression 2p + 3 where p represents Sam's age?

s344n2d4d5 [400]

Answer:

1. 3 + 4x

2. 8/ x-y

3. X/2y

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Novay_Z [31]

The values are x = 8 and x = -1.

To find the undefined values, we need to know when the denominator is zero.
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If factors to: (x - 8)(x + 1)

Therefore, the undefined values would be at 8 and -1.

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3 years ago

Hank estimated the width of the door to his class room in feet what is a reasonable estimate

timurjin [86]

My reasonable estimate might be about 2 1/2 feet. I know that because taking three rulers up to your bedroom or a normal room and get about 2 or 2 1/2 feet

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3 years ago

Given the value of cos 20° ≈ 0.9397, enter the sine of a complementary angle. Use an expression relating trigonometric ratios of

NARA [144]

cos(20) = sin(70)

note how 20+70 = 90

The general rule is that if x+y = 90, then cos(x) = sin(y). The rule works in reverse as well. Another way to phrase the rule is cos(x) = sin(90-x).

So,

$\cos 20^{\circ} = \boxed{\sin 70^{\circ}} \approx \boxed{0.9397}$

Note: if the computer doesn't like the answer of "sin 70" then try "sin(70)" and see how that works out. It's also possible that the teacher wants the single numeric value of "70" in the first box rather than the "sine" part to go along with it. Though that would be strange and incorrect since cos(20) = 70 is a false statement.

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3 years ago