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pickupchik [31]
3 years ago
11

Y varies directly with x and y=8 when x=-5

Mathematics
1 answer:
ale4655 [162]3 years ago
7 0

Answer:

Y=K×X...... equation

When,Y=8 and X=-5

To find the constant (K)

we substitute for K in the equation

8=K×-5

8=-5K divide both sides by -5

8÷-5=-5K÷-5

K=-1.6

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3 years ago
A box contains plain pencils and pens. A second box contains color pencils and crayons. One item from each box is chosen at rand
pochemuha

Answer:

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Step-by-step explanation:

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6 0
3 years ago
How many line segments are in the 20th figure?
Trava [24]
The first figure has 3 line segments.

the second figure has 3+3 =3*2 =  6 line segments

the third figure has 3+3+3 = 3*3 = 9 line segments

the fourth figure has 3+3+3+3=3*4=12 line segments...


so it is clear that:

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Answer: 60
5 0
3 years ago
The equation y=my+b is the slope- intercept form of a linear equation solve y=mc+b for m
SVEN [57.7K]

We need to leave m alone on the right hand side, so let's move everything else to the left hand side.

First of all, we can subtract b from both sides to get

y-b = mc

Now, we can divide both sides by c to get

\dfrac{y-b}{c}=m

And so we solved the expression for m, because we have written an expression in the form m=\ldots, where the right hand side doesn't depend on m.

8 0
3 years ago
5. Amber buys bottles of lemonade and a bag of cookies at the store. She pays a total of $9.50. The bag of cookies cost $3.25. I
Anika [276]

Answer:

each bottle was 1.25

Step-by-step explanation:

subtract 3.25 from 9.50 and then divide that answer by 5 for the 5 bottles of lemonade

3 0
2 years ago
Read 2 more answers
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