Helpp please with all four questions
Helpp please with all four questions - 1

Answers

Answer 1
Answer:

Answer:

Picture 1:

Area of cemicircle 2 π = 6.28 sq.m (approximately)

Total area of figure = 24+6.28= 30.28 sq.m (approximately)

Picture 2:

area of rectangle = 256 sq.m

Area of triangle = 32 sq.m

Total area of figure = 288 sq.m

Picture 3:

Area of top rectangle = 2 sq ft

Area of bottom rectangle = 15 sq ft

Total area of figure = 17 sq ft

Picture 4:

Area of rectangle = 28 sq ft

Area of triangle = 6 sq ft

Area of shaded region = 22 sq ft


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Identify the equation that correctly shows the given relationship.
H= -16t^2+16t+192 When will the ball hit the​ ground?
After losing 3 baseball cards, Peter gave half of his remaining cards to Bobby. If Peter gave Bobby 9 baseball cards, how many cards did Peter start with?Linear equation: 12(x - 3) = 9
In the past, 21% of all homes with a stay-at-home parent, the father is the stay-at-home parent. An independent research firm has been charged with conducting a sample survey to obtain more current information. (a) What sample size is needed if the research firm's goal is to estimate the current proportion of homes with a stay-at-home parent in which the father is the stay-at-home parent with a margin of error of 0.09? Use a 95% confidence level. (Round your answer up to the nearest whole number.)
Wai recorded the length of each string needed for a knitting project. What is the total length of the string needed?

Which is better 32 miles or 12.7 kilometers and why

Answers

Answer:

32 miles

Step-by-step explanation:

32 miles is equal to 51.499008 Kilometers

12.7 kilometers is equal to 7.891414 miles

What is the volume of 22.5 g of metal with a density of 2.81 g/cm

Answers

Answer:V = 72.1 cm³ - 50.0 cm³ = 22.1 cm³

D = mV=99.7g22.1cm³ = 4.51 g/cm³

Step-by-step explanation:

d = mV

m = d×V

V = md

DENSITY

Density is defined as mass per unit volume.

d = mV

Example:

A brick of salt measuring 10.0 cm x 10.0 cm x 2.00 cm has a mass of 433 g. What is its density?

Step 1: Calculate the volume

V = lwh = 10.0 cm × 10.0 cm × 2.00 cm = 200 cm³

Step 2: Calculate the density

d = mV = 433g200cm³ = 2.16 g/cm³

MASS

d = mV

We can rearrange this to get the expression for the mass.

m = d×V

Example:

If 500 mL of a liquid has a density of 1.11 g/mL, what is its mass?

m = d×V = 500 mL × 1.11g1mL = 555 g

VOLUME

d = mV

We can rearrange this to get the expression for the volume.

V = md

Example:

What is the volume of a bar of gold that has a mass of 14.83 kg. The density of gold is 19.32 g/cm³.

Step 1: Convert kilograms to grams.

14.83 kg × 1000g1kg = 14 830 g

Step 2: Calculate the volume.

V = md = 14 830 g × 1cm³19.32g = 767.6 cm³

Drag the tiles to the correct boxes to complete the pairs. Match the percent error with its scenario.10%
12.5%
15%
20%​

Answers

The percent error matching with its scenario :

1) 15%

2)20%

3)10%

4)12.5%

Here, from the given information we get:

the percent error are:

Leo = (11.5-10)/10 = 0.15

Candice = (13.2-12)/ 12 =0.1

Josie = (24-20)/20 = 0.2

Lenny = (18-16)/16 = 0.125

Now, we have,

For percentage, multiply each number by 100;

Leo = 15%

Candice = 10%

Josie = 20%

Lenny = 12.5%

To learn more on percentage click:

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Answer:

1) 15%

2)20%

3)10%

4)12.5%

A television set is 36 inches wide and has a diagonal length of 42 inches. To the nearest inch, how tall is the set?

Answers

The height of the television set would be  21.6 inches to the nearest inch.

What is Pythagoras' Theorem?

If ABC is a triangle with AC as the hypotenuse and angle B with 90 degrees then we have:

|AC|^2 = |AB|^2 + |BC|^2

where |AB| = length of line segment AB. (AB and BC are the rest of the two sides of that triangle ABC, AC being the hypotenuse).

We have been given that the television set is 36 inches wide and has a diagonal length of 42 inches.

Let b represent the height of the television set.

We will use the Pythagorean theorem;

36² + b² = 42²

1296 + b² = 1764

-1296. -1296

b² = 468

√ b² =√ 468

b = height

b = 21.6 inches

Therefore, the height of the television set would be  21.6 inches to the nearest inch.

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Pythagorean theorem.
36² + b² = 42²
1296 + b² = 1764
-1296. -1296
b² = 468
[square root] b² = [square root] 468
b= height =21.6 inches

What is 10 squared then the cube root of that

Answers

100cubed is 1,00,000

Square root of 29 and need to show work please

Answers

Answer:

5.38

Step-by-step explanation:

√(29)