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3 years ago

100 points!!! Multi-Step Equations with Distributive Property

Mathematics

2 answers:

ad-work [718]3 years ago

4 0

Answer:

An example below

Step-by-step explanation:

5(4a + 7(a + 2b))

First simply the inside bracket using distributive property:

7(a + 2b)

7(a) + 7(2b)

7a + 14b

5(4a + 7a + 14b)

5(11a + 14b)

Use distributive property again

5(11a) + 5(14b)

55a + 70b

Alexxandr [17]3 years ago

3 0

Answer:

x= -2

Step-by-step explanation:

An example could be

10 ( x+2) + 3(x+4) = 6(x+3)

Distribute

10x+20 +3x+12 = 6x+18

Combine like terms

13x +32 = 6x+18

Subtract 6x from each side

13x-6x +32 = 6x-6x+18

7x +32 = 18

Subtract 32 from each side

7x +32-32 = 18-32

7x =-14

Divide by 7

7x/7 = -14/7

x = -2

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What is the slope of the line on the graph? Enter your answer in the box

miskamm [114]

Answer:

The slope is 6

Step-by-step explanation:

Rise/run

The rise is 6 and the run 1

Then simplfy 6/1 to get 6

5 0

3 years ago

Please help and thx I will mark brainlest And don’t just guess Answer #4

Effectus [21]

Answer:

4. D

Step-by-step explanation:

$y=-5$ is just a graph of a constant, meaning that it has a slope of 0 and does not change.

5 0

2 years ago

Read 2 more answers

Write the ratio 2/3/4/5 in simplest form

evablogger [386]

Answer: The given ratio, in simplest form, is 4/7.

Step-by-step explanation:

Rewrite 2/3.5 as 4/7 by multiplying both the 2 and the 3.5 by 2. This eliminates the decimal fraction.

The given ratio, in simplest form, is 4/7.

4 0

2 years ago

The oxygen consumption (in milliliter per pound per minute) for a person walking at x mph is approximated by the function f(x)=\

Oliga [24]

Answer: Speed = 5.6 mph

Oxygen consumption = 71.6 mL/lb/min

Step-by-step explanation: For the oxygen consumption to be the same, functions must be equal:

f(x) = g(x)

$\frac{5}{3}.x^{2} + \frac{5}{3}.x+10=11x+10$

Resolving:

$\frac{5}{3}.x^{2} + \frac{5}{3}.x - 11x =0$

$\frac{5}{3}x^{2} + \frac{5}{3}x - \frac{33x}{3}=0$

$\frac{5}{3}x^{2} - \frac{28x}{3}=0$

$\frac{x}{3}(5x - 28)=0$

$\frac{x}{3} = 0$

x=0

5x - 28 = 0

$x = \frac{28}{5}$

x = 5.6

The speed when the oxygen consuption is the same is 5.6 mph.

For the level of oxygen consumption:

f(5.6) = g(5.6)

g(5.6) = 11*5.6 + 10

g(5.6) = 71.6

The level of oxygen consumption is 71.6 mL/lb/min

3 0

2 years ago

Please answer this question now fast in two minutes

Sonbull [250]

Answer:

In the diagram, planes JMN and KLO are parallel and planes JKN and LMP are also parallel.

Step-by-step explanation:

To be parallel in geometric terms means that two planes are on opposite sides of each other and will never intersect or touch. Knowing this, we can go through the choices one by one to see if those planes are parallel.

LMP and JKL are not parallel because they intersect at point L.

JMN and JKL are not parallel because they intersect at point J.

JKN and LMP are parallel because they never intersect or touch.

JMN and KLO are parallel because they never intersect or touch.

So, planes JMN and KLO are parallel and planes JKN and LMP are also parallel.

7 0

2 years ago