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Likurg_2 [28]
2 years ago
15

014pts)

Mathematics
1 answer:
kap26 [50]2 years ago
7 0

Answer:

What does x equal ? <u>3</u><u>0</u>

What does < ABC equal? <u>100</u>

What does < DBC equal? <u>8</u><u>0</u>

Step-by-step explanation:

(3x + 10) + (2x + 20) = 180 \\ 5x + 30 = 180 \\ 5x = 180 - 30 \\ 5x = 150 \\  x =  \frac{150}{5}  \\  \\  x = 30

3x + 10  = 3(30) + 10 = 90 + 10 = 100

2x + 20 = 2(30) + 20 = 60 + 20 = 80

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Which of the following is equivalent to -12(3 - 5)?
ExtremeBDS [4]

-12(3 - 5)

-12 x 3 + - 5 x -12

-36 + 60 = 24

5 0
3 years ago
Read 2 more answers
The sum of two consecutive cube numbers is 341. Work out the two numbers. (2 marks)
Kobotan [32]

Answer:

63 and 53

Step-by-step explanation:

you could use trail and error. So:

13+23=9

33+43=91

63+73=559

53+63=341

3 0
4 years ago
What equation is parallel to the line y=-3x+1 and goes through (-5,-6)
kherson [118]

Step-by-step explanation:

<h2>Hey let solve this!!!</h2>

the formular we're to use is the point slope formula

<h2>y - y1 = m( x - x1 ) </h2>

<h2>from y = - 3x +1 </h2>

SLOPE = -3

and x1= -5 y1 = -6

HENCE

Y - Y1 = M (X- X1)

y-(-6) = -3( x--5)

y+ 6 = -3 (x+5 )

y+6 = -3x -15

y= -3x-15-6

y= -3x -21

<h2>hope this helps</h2><h2>please rate and mark brainliest!!!</h2>

6 0
2 years ago
3x+6/x^2-x-6+2x/x^2+x-12
Tanzania [10]
\dfrac{3x+6}{x^2-x-6} +  \dfrac{2x}{x^2+x-12}

= \dfrac{3(x+2)}{(x + 2)(x - 3)} +  \dfrac{2x}{ (x - 3)(x + 4)}

= \dfrac{3}{(x - 3)} +  \dfrac{2x}{ (x -3)(x + 4)}

= \dfrac{3(x+4)}{(x - 3)(x + 4)} +  \dfrac{2x}{ (x -3 )(x + 4)}

= \dfrac{3(x+4) + 2x }{(x - 3)(x + 4)}

= \dfrac{3x+12 + 2x }{(x - 3)(x + 4)}

= \dfrac{5x+12}{(x - 3)(x + 4)}



6 0
4 years ago
Will demand curves have the same exact shape in all markets? If not, how will they differ? What does an upward-sloping supply cu
gregori [183]

Answer:

no

Step-by-step explanation:

Demand curves will differ as some markets will have a flat demand curve where there is perfect competition. This is when there are too many competitors selling homogenous goods. Generally the demand curve slopes downwards as price increases of a product but it all depends on the type of goods also being sold so this is what causes the differences.

An upward-sloping supply curve means that there is a relationship between the price at which a product is given and the quantity demanded by customers. Sellers in that market will likely react by also pricing their goods around same price as the market or slightly lower to gain a few customers who would be interested in lower prices, but they also would not want to do this too much as they can lose out on profits that the market is making.

5 0
3 years ago
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