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3 years ago

13

According to exponent rules, when we divide the expressions we _______ the exponents.

1 answer:

gregori [183]3 years ago

8 0

Subtract :) Hope this helps

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1. Which graph models the equation y = 3.5x?

MAXImum [283]

1) is C because the line is increasing not decreasing and it goes up 7 & right 2.
2) the y-intercept is -2 and the slope is up 3 over 1, so the answer has to be B
3) the answer is A because the up 2 over 3
4) the y-intercept is a positive 4, and the slope is going down 3 and to the right 5, and the line is decreasing so you know it has to be negative. the answer is D

7 0

3 years ago

What’s the inequality?

Hitman42 [59]

Answer:

x: numbers of hot chocolate selling

y: numbers of apple cide selling

1x + 2y ≥ 240

2y ≥ 240 - x

y ≥ 120 - 0.5*x

7 0

3 years ago

*I WILL MARK U BRANLIEST AND GIVE 40 POINTS IF U ANSWER ALL THREE*

Gnesinka [82]

Step-by-step explanation:

1. 18(5)=90 18(6)=108

90*108= 9720

Her size of the original work was 9720 inches.

2. 1/2+1/2= 1 1/2=4 ft

The pole is 8 feet tall

3. 3 feet

3 0

3 years ago

Solve for x. Please:)

lutik1710 [3]

Answer:

x = 3

Step-by-step explanation:

The smaller triangle and larger one are similar, so corresponding sides are proportional.

8/4 = (8 +(x -1))/5

10 = x +7 . . . . . . . . . multiply by 5 and simplify

3 = x . . . . . . . . . subtract 7

__

<em>Alternate solution</em>

The short segments are also proportional:

(x -1)/(5 -4) = 8/4

x -1 = 2 . . . . simplify

x = 3 . . . . . . add 1

3 0

2 years ago

A tennis ball is 2 inch in diameter. How many tennis ball will fill a room of 20ft by 16ft by 18ft if no space wasted?

krek1111 [17]

The number of tennis ball that will fill the room is <u>1,371 tennis balls.</u>

<em><u>Given</u></em>:

Diameter of ball (d) : 2 inch

Radius (r) = half of diameter = 1 inch

Dimension of room = 20ft by 16ft by 18ft

Number of balls that will fill the room = Volume of each ball/volume of the room

Volume of the ball = volume of a sphere = $\frac{4}{3} \pi r^{3}$

Where,

r = 1

let $\pi = 3.14$

<em>Substitute</em>:

$Volume = \frac{4}{3} \times 3.14 \times 1^{3} \\Volume = 4.2in^{3}$

Volume of the room = $20 \times 16 \times 18 \\$

$= 5,760$

Therefore:

number of tennis balls that will fill the room = $\frac{5,760}{4.2} = 1,371.4$

Therefore, the number of tennis ball that will fil the room will be <u>approximately 1,371.</u>

Learn more about volume here:

brainly.com/question/16098833

7 0

2 years ago