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maw [93]
3 years ago
8

Evaluate plzzz help am giving brainliest

Mathematics
2 answers:
Lapatulllka [165]3 years ago
6 0

Answer:2

Step-by-step explanation:

Mama L [17]3 years ago
3 0

Answer:

just replace a by -1

3(-1)^3 +5

3(-1)+5

-3+5

2

Step-by-step explanation:

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When CA= 3x-1 and SR=5x+4, what is CA?
avanturin [10]

Answer:

CA=17

Step-by-step explanation:

From given picture we see that A and C are the mid points of sides QR and QS respectively.

We know that line joining mid points of the two sides of triangle is always half of the length of the third side.

So that means:

2*CA=SR

2(3x-1)=5x+4

6x-2=5x+4

6x-5x=4+2

x=6

plug value of x into CA=3x-1

CA=3*6-1=18-1=17

Hence final answer is CA=17

8 0
3 years ago
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The answer is 73.5

To make it a lot easier split the shapes into a rectangle and triangle.
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5 x 12 = 60 (rectangle area)

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9 x 3 = 27
Divide that by 2 because it's a triangle and you get 13.5.

Add those two numbers and voila you have your answer of 73.5.
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