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igomit [66]
3 years ago
9

What is the value of x in the equation 2(x-3)+9=3(x+1)+x ?

Mathematics
1 answer:
Masja [62]3 years ago
4 0

Answer:

c. x = 0

Step-by-step explanation:

2(x-3)+9=3(x+1)+x

⇔

2x - 6 + 9 = 3x + 3 + x

⇔

2x + 3 = 4x + 3

⇔

2x = 4x

⇔

4x - 2x = 0

⇔

2x = 0

⇔

x = 0

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Find the midpoint of segment LK with endpoints L(-2, 4) and K(5,3).
fenix001 [56]
Answer: (1.5, 3.5)

Explanation:
Find the slope by using the coordinates for points L and K.

3 - 4 = -1
5 - (-2) = 7
Slope = -1/7

Then you plot your points on the graph.
But you want to half your slope to find the midpoint. So your slope would now be -0.5/3.5.

And when you follow that slope, you will plot down the coordinate (1.5, 3.5), which is the midpoint.

Hope this helped! :3
(Also don’t mind the 19 at the top left)

3 0
3 years ago
Cyril has six more than twice as many mangoes as Kubie and half as many mangoes as Maxine. If Kubie has six mangoes, then, in te
sveticcg [70]

Answer:

(7x + 18) or 60 Mangoes

Step-by-step explanation:

Let the no. of mangoes Kubie possesses be x

So,

Cyril has mangoes = 2x + 6  ...(i)

So,

Maxine has = 2 * (2x + 6)

= 4x + 12

Given that,

Kubie has mangoes = 6

∵ The combined mangoes they have in terms of x,

= Cyril + Kubie + Maxine

= (2x + 6) + x + (4x + 12)

= 7x + 18

A.T.Q.

Cyril has = 2x + 6

∵ Cyril has mangoes = 2 * (6) + 6

= 18 mangoes

∵ Maxine has = 2 * Cyril's mangoes

= 2 * 18

= 36

Thus,

Total mangoes = Cyril + Kubie + Maxine

= 18 + 6 + 36

= 60 Mangoes

5 0
3 years ago
Rewrite without parentheses and simplify (v-7)^2
Zina [86]
Your answer correct good night

8 0
3 years ago
Suppose you are the manager of a firm. The accounting department has provided cost​ estimates, and the sales department sales​ e
Katarina [22]

Answer:

<em>If more than 134 articles are produced and sold, the firm will have positive profits and shoule start production</em>

Step-by-step explanation:

Cost, Revenue, and Profit Function

The cost function C(x) is given by

C(x)=75x+3,350

where x is the number of produced products.

The revenue function is

R(x)=100x

With both equations, we can know the profit function as

P(x)=R(x)-C(x)

P(x)=100x-75x-3,350=25x-3,350

P(x)=25x-3,350

For the firm to have positive profits, it has to produce x articles with the condition

P(x)>0

Or, equivalently

P(x)=25x-3,350>0

Solving for x

\displaystyle x>\frac{3,350}{25}

Thus

x>134

This means that if more than 134 articles are produced and sold, the firm will have positive profits and shoule start production

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3 years ago
Ethan can blow 15 balloons in 20 minutes Junwei can blow 18 balloons in 25 minutes and vishal can blow 16 balloons in 21 minutes
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Answer:

ethan blows fastest

Step-by-step explanation:

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