3 years ago

2(x-4)+?=8x-9 what is the missing polynomial

1 answer:

5 0

First use distributive property on the left side
2x - 8 + _________ = 8x - 9
What do u need to make 2x - 8 into 8x - 9
6x - 1

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____ [38]

It would be 39,858,075 by 2100. The population goes up by x3 every 10 years.

8 0

3 years ago

Jessica has a circular birdbath in her backyard with a radius of 1.25 feet. She wants to place a decorated border around the cir

Alexxandr [17]

Answer:

The total cost is 28.26.

Step-by-step explanation:

The radius of the birdbath is 1.25 feet.

The cost per foot is 3.6 .

The formula for perimeter of circle is given by,

= 2πR , where R is the radius of circle.

Inserting the above value of radius in the equation above,

circumference = 2(π)(1.25) = 2(3.14)(1.25) = 7.85 $ft^{2}$

Thus the total cost is,

= (7.85)(3.6) = 28.26

4 0

3 years ago

Mary has 1/4 of a tank of gas.A quarter or a tank is equal to 5 gallons how many gallons does her tank hold

Naddika [18.5K]

20 gallons

5 times 4 is 20

Hope this helps and have a great day!

7 0

3 years ago

A coin is tossed 5 times. Find the probability that none are heads. Find the probability that at most 2 are heads.

kiruha [24]

1- the answer is 1/32

each time we flip a coin the whole probabilities are 2
if we flip it 5 times
2*2*2*2*2=32

6 0

3 years ago

Can someone explain how I multiply both sides ?

stellarik [79]

Answer:

x=3

Step-by-step explanation:

Given,

1 = 1/(x-2)

Multiply both sides by (x-2),

1*(x-2) = 1/(x-2) * (x-2)

x-2 = 1

Adding 2 on both sides,

x-2+2 = 1+2

x = 3

6 0

3 years ago