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BartSMP [9]
3 years ago
15

Evaluate 3x (2+6) divide 4 -2

Mathematics
1 answer:
kondaur [170]3 years ago
8 0

Answer:

4

Step-by-step explanation:

Brackets always mean "DO THIS FIRST!!!"

2+6 = 8

Then, do 3 x 8. That is 24.

24 divided by 4 is 6.

6 - 2 is 4!

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A dental filling is 9 carats. what percent of the filling is gold?
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Lower than 50%

Step-by-step explanation:

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A painter mixes gray paint by using 1 gallon of black paint for every 7 gallons of white paint. How much black paint and how muc
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2.5 gallons of black paint

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4 years ago
The midpoint of chord AB is ( , ), and the slope of chord AB is
kykrilka [37]

Answer:

See solution below

Step-by-step explanation:

Let the coordinate's of A and B be (1, 0) and (2,4) respectively

midpoint M (X, Y) = [(x1+x2/2, y1+y2/2)]

X = x1+x2/2

X = 1+2/2

X = 3/2

X = 1.5

Y = y1+y2/2

Y = 0+4/2

Y = 4/2

Y = 2

Hence the required midpoint (X, Y) is (1.5, 2)

Slope m = y2-y1/x2-x1

m = 4-0/2-1

m = 4/1

m = 4

Hence the slope is 4

<em>Note that the coordinates are assumed but the same calculation can be employed for any other coordinates</em>

7 0
3 years ago
I dont understand anything
Leviafan [203]

Answer:

D

Step-by-step explanation:

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3 years ago
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louis makes a$15 [er hour working at the mall. which equation represents the total amout of money, d, louis makes in h hours?
emmainna [20.7K]

Answer:

15H = D

Step-by-step explanation:

Given that Louis makes $ 15 per hour working at the mall, to determine which equation represents the total amout of money, D, Louis makes in H hours, the following calculation must be performed:

15H = D

So, for example, if Louis worked 10 hours, the equation would operate as follows:

15 x 10 = D

150 = D

3 0
3 years ago
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