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3 years ago

The trail around the lake us 7 kilometers long it takes Manuel 35 minutes to run the trail what is his unit rate

2 answers:

7 0

7 kilometers ... 35 minutes
1 kilometer ... x minutes = ?

If you would like to know what is his unit rate, you can calculate this using the following steps:

7 * x = 35 * 1
7 * x = 35 /7
x = 35/7
x = 5 minutes

The correct answer would be 5 minutes.

Alja [10]3 years ago

7 0

Firstly, we need to convert minutes into hours. To do this, we need to do 35/60 which is 0.583. To find how many KM he travels per hour we can do 7 x 0.583 which is 4.083. Manuel travels at about 4.083 km/h.

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What is the y intercept of a line that has a slope of -3 and passes through the point (2,7)

Tom [10]

Y = mx + b
slope(m) = -3
(2,7)...x = 7 and y = 2
now we sub and fund b, the y int
2 = -3(7) + b
2 = -21 + b
2 + 21 = b
23 = b <== ur y int

5 0

3 years ago

A random sample of 7 fields of durum wheat has a mean yield of 29.8 bushels per acre and standard deviation of 3.62 bushels per

meriva

Answer:

CI = 29.8 ± 3.53

Critical value is z = 2.58

Step-by-step explanation:

First of all let's find margin of error. It is given by the formula;

ME = zσ/√n

We are given;

Standard deviation; σ = 3.62

Sample size; n = 7

Mean; x¯ = 29.8

Now, z-value for 99% Confidence level is 2.58

Thus;

ME = (2.58 × 3.62)/√7

ME = 3.53

CI is written as;

CI = x¯ ± ME

CI = 29.8 ± 3.53

Critical value is z = 2.58

5 0

3 years ago

KELLY HAS 4 TIMES AS MANY SONGS ON HER MUSIC PLAYER AS LOU. TIFFANY HAS 6 TIMES AS MANY SONGS ON HER MUSIC PLAYER AS LOU. ALTOGE

Fittoniya [83]

682 divide by 4 = 170.5
is that right no or yes

7 0

3 years ago

Help me plz u will make my day

iris [78.8K]

Answer:

K=13

Step-by-step explanation:

So first, we subtract 13 with 3/4 (That comes from 4 3/4) and we get 12 1/4.

And then, we subtract 12 1/4 with 4, and we get 8 1/4

Have I made your day?

4 0

3 years ago

7 times what equals 1?

Arturiano [62]

For this case, the first thing we must do is define a variable.
We have then:
x: unknown number
Doing the multiplication we have:
$(7) (x) = 1
$
From here, we clear the value of x.
We have then:
$x = \frac{1}{7} 
$
Therefore, we have:
$(7) ( \frac{1}{7} ) = 1
$
Answer:
7 times 1/7 equals 1

4 0

3 years ago

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