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3 years ago

8

Help me, please... Which two numbers on the number line have an absolute value of 2.75? Select the location of both numbers on t

he number line.

1 answer:

Fofino [41]3 years ago

6 0

Answer:

2.75, and - 2.75

Step-by-step explanation:

Both have an absolute value of 2.75 which is how far away they are from 0.

Hope this helped!

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The height of a flare fired from a 32-foot

ahrayia [7]

Trace several round objects onto the grid on Math Masters, page 436

6 0

3 years ago

Solve the multiplication problem.<br> 6.7 x (-2.3)<br> Round to the hundreth.

dalvyx [7]

Answer:

-15.41

Step-by-step explanation:

6.7 * (-2.3) =

Lets break it into parts

6.7 * .3 = 2.01

6.7 * 2 = 13.4

Add them together

13.4+ 2.01

15.41

A positive times a negative is a negative

-15.41

The answer only has digits to the hundredths place, so no rounding is required.

8 0

3 years ago

KoKo Chocolatiers sells their truffes in rectangular boxes. They are going to start ordering circular boxes, too. The rectangula

lidiya [134]

Answer:

r = 9.61 cm

Step-by-step explanation:

Volume of a rectangular box = length × width × height

= 21.5 cm × 13.5 cm × 6 cm

= 1,741.5 cm³

Volume of a rectangular box = 1,741.5 cm³

Since,

Volume of a rectangular box = Volume of a circular box

Then,

1,741.5 cm³ = Volume of a circular box

Volume of a circular box = πr²h

1,741.5 cm³ = 3.14 * r² * 6 cm

1,741.5 = 18.84r²

r² = 1,741.5/18.84

r² = 92.436305732484

r = √92.436305732484

r = 9.6143801533163

Approximately,

r = 9.61 cm

3 0

3 years ago

1.Mr. Bowen’s test is normally distributed with a mean of 75 and a standard deviation of 3 points.

lianna [129]

Answer:

2.28%

Step-by-step explanation:

Mr. bowens test is normally distributed with a mean (μ) of 75 and a standard deviation (σ) of 3 points.

The z score is used in probability to show how many standard deviation is a raw score below or above the mean. The formula for the z score (z) is given by:

$z=\frac{x-\mu}{\sigma}$

For a raw score (x) of 81 points, the z score can be calculated by:

$z=\frac{x-\mu}{\sigma}=\frac{81-75}{3}=2$

Therefore from the normal probability distribution table, the probability that a randomly selected score is greater than 81 can be given as:

P(x > 81) = P(z > 2) = 1 - P(z < 2) = 1 - 0.9772 = 0.0228 = 2.28%

7 0

4 years ago

What is the solution set for y < 3 /2 x – 4?

valkas [14]

This is the set notation
y|y<3/2(x-2)

4 0

3 years ago