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Yuki888 [10]
3 years ago
15

the distance a jet travels (d) varies directly with the number of hours (t) flown. a jet travels 1,350 miles in three hours writ

e an equation that represents this direct variation
Mathematics
1 answer:
ale4655 [162]3 years ago
7 0

Answer:

450

Step-by-step explanation:

You divide 1,350 by 3 and get 450

I took the test and got the right answer.

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3 years ago
A researcher claims that a post-lunch nap decreases the amount of time it takes to run 20 meters. Ten subjects are randomly sele
MakcuM [25]

Answer:

4. A​ post-lunch nap decreases the amount of time it takes males to sprint 20 meters.

Step-by-step explanation:

This question wants us to state the claim and the hypothesis.

This researchers claim can be found in the first sentence of this question.

Claim: post lunch nap decreases the time it takes to run for 20 meters.

The correct answer option for the claim is the 4th answer option. And it means that sleeping after lunch reduces the time it takes males to run in a 20m race.

B. Hypothesis

H0: Ud <= 0

H1: Ud > 0

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5 0
2 years ago
A bracelet that regularly sells for $44 is on sale for 25% off. Find the sale price of the bracelet?
Vsevolod [243]
Regular price : $44

Discount : 25%

So, discount amount : 25% of 44
= 25/100 × 44
= $11

So, amount after applying discount = $44 - $11 = $33
8 0
3 years ago
Write an equation for the nth term of the arithmetic sequence.
tresset_1 [31]

Answer:

<h3>              \bold{a_n=6n-3}\\\\\bold{a_{50}=297} </h3>

Step-by-step explanation:

3, 9, 15, 21,  ...

9-3 = 6;   15-9 = 6;   21-15 = 6   ⇒  d = 6

first term:  a = 3

difference:  d = 6

so the formula:

                         a_n=a+d(n-1)\\\\a_n=69+6(n-1)\\\\a_n =3+6n-6\\\\\underline{a_n=6n-3}                        

and:

   a_{50}=6\cdot50-3=300-3=297

5 0
3 years ago
A small bag has a penny, a nickel, a dime, and a quarter. A child chooses 2 coins from the bag at random. What is the probabilit
Natalija [7]

Answer:

Once

Step-by-step explanation:

5 0
3 years ago
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