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ankoles [38]
3 years ago
15

If x = 5, y = 3 and z = 2 then xz (4y - 2z) 

Mathematics
1 answer:
LenaWriter [7]3 years ago
4 0

Answer:

80

Step-by-step explanation:

Plug it in.

So 5 x 2 (4 x 3- 2 x 2)

5x2(12-2x2)

5x2(12-4)

5x2(8)

(10)(8)

So, the answer is 80.

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Allison claims that the (triangle)ABQ is similar to (triangle)RPQ, given that AB and PR are parallel. Which of Allison's claims
S_A_V [24]
I draw the two triangles, see the picture attached.

As you can see, angle 1 and 2 are vertically opposite angles because they are formed by the same two crossing lines and they face each other.

Angles <span>ABQ and QPR, as well as angles BAQ and QRP, are alternate interior angles because they are formed by </span><span>two parallel lines crossed by a transversal, and they are inside the two lines on opposite sides of the transversal.</span>

Hence, Allison's correct claims are:
1 = 2 because they are vertically opposite angles. 
BAQ = QRP because they are alternate interior angles. 

Therefore Allison, in order to prove her claim, can use the AA similarity theorem: if two angles of a triangle are congruent to two angles of the other triangle, then the two triangles are similar. 

3 0
3 years ago
you have a bag full of 17 marbles. Of those marbles, 3 are black. What is the probability that a marble chosen is not black
sdas [7]
Total number of marbles = 17

3 are black.

Not black = 17 - 3 = 14.

Probability of not black =          Number not black / Total

                                       =     14 / 17
3 0
3 years ago
What is one more than -5
Cerrena [4.2K]
All real numbers above -4
3 0
4 years ago
Read 2 more answers
-(5n-9)+3n=-2(5n-20)<br> what is n?
11Alexandr11 [23.1K]

Answer:

n=3.875

Step-by-step explanation:

First, we can expand the brackets:

-(5n-9)+3n=-2(5n-20) (given)

-5n+9+3n=-10n+40

-2n+9=-10n+40 (combine like-terms)

8n=31

n=3.875

Hope this helps :)

4 0
3 years ago
Read 2 more answers
Please help asap!! I will mark you as brainliest :)
defon

Answer:

3, 0, -5, -6

Step-by-step explanation:

7)

when x= -8, f(x) = 8-5 or 3

when x= -5 f(x) = 5-5 or 0

when x= 0, f(x) = 0-5 or -5

when x=1, f(x) = -1-5 or -6

4 0
3 years ago
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