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ss7ja [257]
2 years ago
6

How old am i if 300 reduced by 2 times my age is 288?

Mathematics
1 answer:
aleksandr82 [10.1K]2 years ago
5 0

Answer:

6

Step-by-step explanation:

288 = 300-2x

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Giving brainlist to whoever answers this question
Aleonysh [2.5K]

Answer:

44

Step-by-step explanation:

6x +22 + 7x + 16 = 90

13x +38 =90

13x = 52

x = 4

7 x 4 +16 = 44

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2 years ago
Please please help me please help please please help me please help please
AVprozaik [17]

Answer:

Perimeter is 17.07

Step-by-step explanation:

We know that DF = EF = 5 cm, since D and E are the midpoints of AC and AB, both of which are 10 cm in length.

We need to use the Pythagorean theorem to get the length of DE.

DE = \sqrt{5^{2} +5^{2}}=\sqrt{50}  = 7.07\\

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3 years ago
Inequality / Linear Systems Help - 30 points!
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They did not include the constraint for y ≤x+3 on the graph.

See attached picture with added constraint.

Using the 4 points that are given as the solution on the graph, replace t he x and Y in the original equation to solve and see which is the greater value.

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Point (1,4) P = -1 + 3(4) = -1 +12 = 11

Point (0,0) P = -0 + 3(0) = 0 + 0 = 0

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timama [110]
3/10 is represented as 30%.
7 0
3 years ago
Read 2 more answers
Solve average rate of change (4,-1) (-3,-2)
Vera_Pavlovna [14]

Answer:

\frac{1}{7}

Step-by-step explanation:

The slope of the line joining the 2 points is a measure of the average rate of change.

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with (x₁, y₁ ) = (4, - 1) and (x₂, y₂ ) = (- 3, - 2)

m = \frac{-2+1}{-3-4} = \frac{-1}{-7} = \frac{1}{7} ← average rate of change

7 0
3 years ago
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