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2 years ago

If you want to calculate a z score for a test where your raw score was 24, what other information must you know

Mathematics

2 answers:

Musya8 [376]2 years ago

6 0

Answer:

eight. What does Z score measure? Well, the Z score is the value you get when you standardize with mean at center deviation. So the Z score is supposed to represent the number of standard deviations value as from the mean.

Step-by-step explanation:

Sophie [7]2 years ago

3 0

Answer:

mean and standard deviation

Step-by-step explanation:

Im pretty sure im right

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Find the total volume of the composite figure below. Round to the nearest thousandth.

cestrela7 [59]

Answer:

The volume of the composite figure is approximately 3567.198 cubic feet.

Step-by-step explanation:

The composite figure consists in the combination of a right cone and a cuboid. The volume of the composite ( $V$ ), in cubic feet, figure can be determined by this expression:

$V = \frac{1}{3}\cdot \pi \cdot r^{2}\cdot h + w\cdot H \cdot l$ (1)

Where:

$r$ - Radius of the circle of the right cone, in feet.

$h$ - Height of the cone, in feet.

$w$ - Width of the cuboid, in feet.

$H$ - Height of the cuboid, in feet.

$l$ - Length of the cuboid, in feet.

If we know that $r = 10\,ft$ , $h = 10\,ft$ , $w = 20\,ft$ , $H = 7\,ft$ and $l = 18\,ft$ , then the volume of the composite figure is:

$V = \frac{1}{3}\cdot \pi \cdot (10\,ft)^{2}\cdot (10\,ft) + (20\,ft)\cdot (7\,ft)\cdot (18\,ft)$

$V = \left(\frac{1000\pi}{3} + 2520\right)\,ft^{3}$

$V \approx 3567.198\,ft^{3}$

The volume of the composite figure is approximately 3567.198 cubic feet.

3 0

3 years ago

The cost of staying in a hotel is given by the formula C=50d+20, where C is the cost in £ and d is the number of days a person s

Fynjy0 [20]

Answer:

a) £320

b) £720

c) 2 days

Step-by-step explanation:

The question is all about inputting values and finding a result or rearranging and finding a result.

a) d = 6. C = 50(6)+20 = 320

b) d = 2x7 (7 days a week) C = 50(2x7) + 20 = 720

c) C = 120 ... 120 = 50d+20

100 =50d d = 100/50 = 2

3 0

2 years ago

Jasmine wants to earn $2,000 in simple interest through a

Ierofanga [76]

Answer:

$10000

Step-by-step explanation:

First, converting R percent to r a decimal

r = R/100 = 5%/100 = 0.05 per year,

then, solving our equation

P = 2000 / ( 0.05 × 4 ) = 10000

P = $ 10,000.00

The principal required to

accumulate interest of $ 2,000.00

on a rate of 5% per year for 4 years is $ 10,000.00.

3 0

2 years ago

A party tent is used for an outdoor event. Ropes of equal length support each tent pole. The angle the rope makes with the floor

Virty [35]

Law of sines can be used to solve this problem:

(note - let x represent the missing side length.)

1. set up proportion.
sin 90°/25 = sin 55°/x

2. solve.
(x) sin 90° = (25) sin 55°

(x) sin 90 °/sin 90° = (25) sin 55° / sin 90°

x = 20.4788011072
rounded to nearest tenth = 20.5

8 0

3 years ago

Read 2 more answers

I cannot solve this.. i want to solve this

GuDViN [60]

Can’t see that properly can’t you write it bigger or something

3 0

2 years ago