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Viefleur [7K]
3 years ago
13

2% percent of the students at Hamilton Middle School have red hair. There are 700 students at Hamilton Middle School. How many s

tudents at Hamilton Middle School have red hair?
Mathematics
1 answer:
Vesnalui [34]3 years ago
3 0

700*.02=14

14 students have red hair.

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The table shows the total cost of different numbers of tickets decided whether it makes sense to use a constant rate to describe
GalinKa [24]

34.50/6 = 5.75

44/8 = 5.5

52.5/10 = 5.25

As the number of tickets increase, the cost per ticket decreases.

So it does not make sense to use a constant rate.

5 0
1 year ago
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1-x-7/3=x+9/4-3x-8/12
lisabon 2012 [21]

Answer:

x = 2 11/12

Step-by-step explanation:

Multiply the equation by 12. This eliminates fractions.

... 12 -12x -28 = 12x +27 -36x -8

Collect terms.

... -16 -12x = -24x +19

Add 24x+16

... 12x = 35

Divide by the coefficient of x

... x = 35/12 = 2 11/12

8 0
3 years ago
Find the X Intercepts y=x^2-3x+6<br> PLEASE HELP ME
Nat2105 [25]

The x intrercepts is where the function crosses the x axis; In other words, it is where the output of the function is 0.

In a quadratic, you can start by factoring, if it’s unable to be factored then use the quadratic formula. Also, it is good to use the discriminate.

D= Discrimminate

D>0 2 real solutions

D=0 1 real solution

D<0 2 imaginary solutions.

The discrimminate is the equation/expression under the radical of the quadratic formula. With this formula, it’s not factorable. Using the discriminate it is also seen, as you’ll get a negative in the square root. This is imagenary because you cannot take the root of a negative value, which is why “i” is used to represent the square root of negative one.

3 0
2 years ago
What is the surface area, in square inches, of a sphere with radius 3.5 in.?
Inga [223]

Answer:

153.94

Step-by-step explanation:

If you want it not rounded its

153.9380400259 inches

3 0
3 years ago
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Mr. Williams is painting only the back of his barn. A gallon of paint covers 70 square feet. How many square feet will Mr. Willi
Alex17521 [72]

Answer:

Option A. 264 ft² ; 4 gallons

Step-by-step explanation:

Given question is incomplete; find the complete question in the attachment.

From the picture attached,

Area of the barn to be painted = Area of the (rectangular base + Triangular top) - Area of the window

Area of the rectangular base = 12 × 18

                                                = 216 ft²

Area of the triangular top = \frac{1}{2}(\text{Base}\times \text{Height})

                                          = \frac{1}{2}(12)(28-18)

                                          = 60 square feet

Area of the window = 3 ft × 4 ft

                                 = 12 ft²

Total area to be painted = 216 + 60 - 12

                                         = 264 ft²

∵ 70 square feet of the barn is covered by the amount of paint = 1 gallon

∴ 1 square feet will be covered by the amount = \frac{1}{70} gallons

∴ 264 square feet will be painted by = \frac{264}{70}

                                                             = 3.77 gallons

                                                             ≈ 4 gallons

Therefore, Option (A). 264 ft²; 4 gallons will be the answer.

3 0
3 years ago
Read 2 more answers
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