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3 years ago

Please answer please!! Please answer 1–4 please actually answer please I need thissss

Mathematics

1 answer:

Mashutka [201]3 years ago

6 0

1. 75% increase
2. 30% decrease
3. 80% increase
4. 25% decrease

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Mr. Cromleigh and his mom stayed at a hotel while in Vegas. If the room was 12ft by 8ft by 9ft, what is the volume of the room?

Komok [63]

Answer:

864 ft³

Step-by-step explanation:

Volume = Length * Width * Height

Substitute

Volume = 12 * 8 * 9

Volume = 864 ft³

Hope this helps :)

7 0

3 years ago

Read 2 more answers

Help me on this algebraic problem and please show work. (10 points) Thanks! :)

jonny [76]

4 - 2(x + 3) = 5
4 - 2x - 6 = 5
-2x - 2 = 5
-2x = 5 + 2
-2x = 7
x = -7/2 or = -3 1/2

5 0

3 years ago

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In kilometers, the approximate distance to the earth's horizon from a point h meters above the surface can be determined by eval

Maslowich

In kilometers, the approximate distance to the earth's horizon from a point h meters above the surface can be determined by evaluating the expression

$d= \sqrt{12h}$

We are given the height h of a person from surface of sea level to be 350 m and we are to find the the distance to horizon d. Using the value in above expression we get:

$d= \sqrt{12*350}=64.81$

Therefore, the approximate distance to the horizon for the person will be 64.81 km

8 0

3 years ago

Find all the missing elements:

pentagon [3]

Answer:

B = 34.2°

C = 58.2° or 121.8°

c= 10.6

Step-by-step explanation:

Step 1

Finding c

We calculate c using Pythagoras Theorem

c²= a² + b²

c = √a² + b²

a= 8, b = 7

c = √8² + 7²

c = √64 + 49

c = √(113)

c = 10.630145813

Approximately c = 10.6

Step 2

Find B

We solve this using Sine rule

a/sin A = b/sin B

A = 40°

a = 8

b = 7

Hence,

8/sin 40° = 7/sin B

8 × sin B = sin 40° × 7

sin B = sin 40° × 7/8

B = arc sin (sin 40° × 7/8)

B ≈34.22465°

Approximately = 34.2°

Step 3

We find C

Find B

We solve this using Sine rule

b/sin B = c/sin C

B = 34.2°

b = 7

c = 10.6

C = ?

Hence,

7/sin 34.2° = 10.6/sin C

7 × sin C = sin 34.2 × 10.6

sin C = sin 34.2° × 10.6/7

C = arc sin (sin 34.2° × 10.6/7)

C = arcsin(0.85)

C= 58.211669383

Approximately C = 58.2°

Or = 180 - 58.2

C = 121.8°

5 0

3 years ago

Read 2 more answers

Solve the equation P=KTV for the letter K.

ddd [48]

Answer:

K = $\frac{P}{TV}$

Step-by-step explanation:

P = KTV

Divide both sides by TV

(P/TV) = K

5 0

2 years ago