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Diano4ka-milaya [45]

2 years ago

4

Tom travels between the two mile markers shown and then finds his average speed in miles per hour. Select the three equations th

at represent this situation.

2 answers:

fredd [130]2 years ago

8 0

Answer:

3h x speed = 195miles speed=195/3h 195miles/speed=3h

Step-by-step explanation:

aleksklad [387]2 years ago

7 0

Answer:

1.5 hours is the correct answer !

Step-by-step explanation:

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What expression is equivalent to (5z^2+3z+2)^2

nikdorinn [45]

Please see picture attached.

7 0

2 years ago

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The scatterplot below shows the number of weeks that students have been in keyboarding class and the number of mistakes that the

Arlecino [84]

Answer:A

Step-by-step explanation:

Took quiz

6 0

2 years ago

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Sarah buys a new bike. The total cost of the bike including taxes is $349. She pays $100 down and then agrees to pay the balance

OlgaM077 [116]

The amount of each of the 6 payments will be $41.50

Step-by-step explanation:

Given,

Cost of bike including taxes = $349

Down payment = $100

Amount left to pay = Cost of bike - Down payment

Amount left to pay = 349 - 100

Amount left to pay = $249

She agrees to pay in 6 equal payments, therefore, we will divide the total amount to pay by 6.

Amount to pay for one month = $\frac{Amount\ left\ to\ pay}{No.\ of\ months}$

Amount to pay for one month = $\frac{249}{6} = \$41.50$

The amount of each of the 6 payments will be $41.50

Keywords: division, subtraction

Learn more about subtraction at:

#LearnwithBrainly

5 0

2 years ago

A random sample of 28 statistics tutorials was selected from the past 5 years and the percentage of students absent from each on

Zielflug [23.3K]

Answer:

The 90% confidence interval using Student's t-distribution is (9.22, 11.61).

Step-by-step explanation:

Since we know the sample is not big enough to use a z-distribution, we use student's t-distribution instead.

The formula to calculate the confidence interval is given by:

$\bar{x}\pm t_{n-1} \times s/\sqrt{n}$

Where:

$\bar{x}$ is the sample's mean,

$t_{n-1}$ is t-score with n-1 degrees of freedom,

$s$ is the standard error,

$n$ is the sample's size.

This part of the equation is called margin of error:

$s/\sqrt{n}$

We know that:

$n=28$

$\bar{x}=10.41$

degrees of freedom $= 27$

$1-\alpha = 0.90 \Rightarrow \alpha = 0.10$

$t_{n-1} = 1.703$

$s = 3.71$

Replacing in the formula with the corresponding values we obtain the confidence interval:

$\bar{x}\pm t_{n-1} \times s/\sqrt{n} = 10.41 \pm 1.70 \times 3.71/\sqrt{28} = (9.22, 11.61)$

8 0

2 years ago

Read 2 more answers

How close are a meter and a yard? Convert, 1 meter into yards by using the fact that there are 100 centimeters in a meter, 2.54

Sveta_85 [38]

Answer:

To convert 1 meter into yards

Using the given facts : 100 centimeters in a meter, 2.54 centimeters in an inch, 12 inches in a foot, and 3 feet in a yard.

we can write these as;

$1 m = 100 cm$

$1 inches = 2.54 cm$

$1 ft = 12 inches$ and

$1 yard = 3 ft$

1 ft = 12 inches

3 ft = $3 \times 12 = 36 inches$

Since,

1 inches = 2.54 cm

36 inches = 91.44 cm

Also,

1 m = 100 cm

or

1 cm = $\frac{1}{100} m$

then;

91.44 cm = $\frac{91.44}{100} =0.9144 m$

⇒ 1 yards = 0.9144 m

Divide both sides by 0.9144 we get;

1 meter = $\frac{1}{0.9144} = 1.0936133$ yards.

Therefore, the answer is, 1 m = 1.1 yards (nearest to tenth)

5 0

2 years ago