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Delvig [45]
2 years ago
6

Which expression is equivalent to 8(a+3)

Mathematics
1 answer:
Alex777 [14]2 years ago
8 0

Answer:

8a + 24

Step-by-step explanation:

Use Distributive property: a(b +c) = a*b + a*c

Here a = 8 ;  b= a & c = 3

8(a + 3) = 8*a + 8*3

            = 8a + 24

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Which shape has opposite sides that are both equal in length and parallel and always has four right angles? A. triangle B. recta
ra1l [238]
I think its b
hope this helps
8 0
3 years ago
You claim you are psychic and can predict a coin flip 60% of the time. To test your claim, your friend has you predict a coin fl
Salsk061 [2.6K]

Answer:

You can reject the null at the 10% and 5% level of significance, but cannot reject the null at the 2%, or 1% level of significance. ( D )

Step-by-step explanation:

let : P = 0.6

x = 135 , n = 200

<em>p </em>= 135 / 200 = 0.675

H0 : P = 0.6

Ha : P ≠ 0.6

performing the test statistic = ( 0.675 - 0.6 ) / \sqrt{\frac{0.60(1-0.60)}{200} }

= 0.075 / 0.0346 ≈ 2.17

p-value = 2 * P ( Z > - 2.17 )  ( using excel function ; NORMSDIST )

            = 2 * 0.015  = 0.03  

5 0
2 years ago
The graph of f(x) = 3 . 2*-3 is shown below. g(x) is a transformation of f(x).
DiKsa [7]

Answer: (c)

Step-by-step explanation:

Given

Function f(x) is 3\times 2^x-3

Also, g(x) is the transformation of f(x)

From the graph, it is clear that g(x) passes through the point (0,5)

Now check the option which satisfies the condition

option (c) seems to obey it

g(x)=3\cdot 2^x+2\\g(0)=3\cdot 2^0+2\\g(0)=3\cdot 1+2\\g(0)=3+2\\g(0)=5

Therefore, option (c) is correct.

3 0
3 years ago
4 friends equally share half of a pizza how much of the whole pizza does each friend get
Sedbober [7]
1/2 / 4

The formula = keep, change, flip

Keep 1/2
Change the sign: / to ×
Flip 4 to 1/4

That equals 1/2 × 1/4 = 1/16

Answer = 1/16

Hope this helped☺☺
5 0
3 years ago
Read 2 more answers
1. Vincent spent 4/7 of his money on a pair of shoes. The shoes cost $48. How much money did he have at first?
ra1l [238]
4/7 of his money = $48

1/7 of his money = $48 ÷ 4 = $12

7/7 of his money = $12 x 7 = $84

Answer: $84
3 0
3 years ago
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