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Alika [10]
3 years ago
8

The following table shows a proportional relationship between x and y.

Mathematics
1 answer:
RUDIKE [14]3 years ago
8 0

Answer:

Assume x is directly proportional to y :

y \:  \alpha  \: x \\ y = kx

when y is 9, x is 2:

substitute to find value of k :

9 = (k \times 2) \\ k =  \frac{9}{2}

Therefore, equation is:

{ \boxed{ \boxed{2y = 9 x}}}

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VARVARA [1.3K]
The first one is: √ 96/8=2 √ 3
5 0
3 years ago
(5x²+2) - (-4x²+7)+(-3x²-5)
svp [43]

Answer:

6x^2   -10

Step-by-step explanation:

(5x²+2) - (-4x²+7)+(-3x²-5)

Distribute the minus sign

(5x²+2) +4x²-7 +(-3x²-5)

Combine like terms

5x²+4x²-3x²  +2-7-5

6x^2              -10

6 0
3 years ago
1000 views=£2<br> how many views are required to make £31?
dedylja [7]
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8 0
3 years ago
A box contains 9 green marbles and 17 white marbles. If the first marble chosen was a white marble, what is the probability of c
pshichka [43]

Answer:

16/25

Step-by-step explanation:

Given

Number  of green marbles = 9

Number of White marbles = 17

Total number of marbles = 26

Probability of picking a white marble = 17/26

When a white marble is picked without replacement,

Probability of picking another white marble after first picking a white marble

= 16/25

= 0.64

This is because the total number of marbles would have reduced from 26 to 25 and the number of white marbles from 17 to 16.

4 0
3 years ago
Katelyn bought 3 packages of ground beef. The packages weighed 2.65 lb, 1.85 lb, and 2.46 lb. She divided the ground beef into 4
Katena32 [7]

Answer:

1.74 pounds

Step-by-step explanation:

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4 0
3 years ago
Read 2 more answers
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