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3 years ago

14. Choose the best description of the polynomial:

1 answer:

8 0

C as there are only 3 terms tip- (count how many symbols). And the highest power it goes to is 2 so it’s 5y squared. Hope this helps :)

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Solve. 24 + d = 30 d =

antoniya [11.8K]

Answer:

I think d = 6 because 24 + 6 = 30

4 0

3 years ago

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if y varies directly as x and y is 48 when x is 48 when x is 6 which expression can be used to find the values of y when x is 2

Oksanka [162]

Answer:

the expression is

y=8x

Step-by-step explanation:

y varies directly as x is written as

$y \alpha x$

introducing constant

y=kx

from the question, when y=48, x=6

substitute it in the formula

48=6k

making k the subject by dividing through by 6

$\frac{48}{6} = \frac{6k}{6}$

k=8

putting the value of k in the expression,

y=8x

the value of y when x=2

y=8×2

y=16

thus the value of y when x=2 is 16.

6 0

3 years ago

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4 times 2 1/8 mixed number in simpileest form

Anuta_ua [19.1K]

Answer:

8.5

Step-by-step explanation:

7 0

3 years ago

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If x+x=2 and x-x=0 what is x? Please help me with my homework ASAP

Finger [1]

Answer:

Step-by-step explanation:

1+1=2

1-1=0

you can do this the hard way by doing a system of equations

or the easy way by guessing and checking

5 0

3 years ago

X+y=5 x×y=6 Solve simultaneously with steps

igor_vitrenko [27]

Answer:

(3, 2), (2, 3)

Step-by-step explanation:

x + y = 5

xy = 6

Solve the first equation for x.

x = 5 - y

Substitute 5 - y for x in the second equation.

xy = 6

(5 - y)y = 6

5y - y² = 6

y² - 5y + 6 = 0

Factor.

(y - 2)(y - 3) = 0

y - 2 = 0 or y - 3 = 0

y = 2 or y = 3

Now substitute 2 for y in the first equation and solve for x.

x + y = 5

x + 2 = 5

x = 3

One solution is x = 3; y = 2, or (3, 2).

Now substitute 3 for y in the first equation and solve for x.

x + y = 5

x + 3 = 5

x = 2

Another solution is x = 2; y = 3, or (3, 2).

Answer: (3, 2), (2, 3)

7 0

2 years ago