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4 years ago

6th grade help please math

Mathematics

2 answers:

adelina 88 [10]4 years ago

6 0

Answer:

In order: 1. 12 cookies per hour; 2. 80 miles per hour.

Step-by-step explanation:

To do this, you just divide the first value by the second. I will show work for both equations. Refer to it if needed at any time.

Question 1.

36 cookies divided by 3 hours equals 12 cph (cookies per hour)

Question 2.

240 miles divided by 3 hours equals 80 mph (self-explanatory)

Hope this helps.

givi [52]4 years ago

4 0

1) 12 cookies per hour
2) train travels 80 miles per hour

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A right circular cylinder has a height of 19 3/4 ft and a diameter 1 2\5 times its height.

alexira [117]

Answer:

Volume of cylinder is 34833.21 ft³

Step-by-step explanation:

Given : A right circular cylinder having height $19\frac{3}{4}$ ft and diameter $\frac{12}{5}$ times its height.

Given : diameter $\frac{12}{5}$ times its height that is

diameter $\frac{12}{5}$ times $19\frac{3}{4}$ that is

Diameter = $\frac{12}{5} \times \frac{79}{4}$

Diameter = $\frac{237}{5}$ ft

Radius is half of diameter,

Radius = $\frac{1}{2} \times \frac{237}{5}=\frac{237}{10}$ ft

$\text{Volume of Cylinder}=\pi r^2h$

Substitute the values, we get,

$\text{Volume of Cylinder}= \pi (\frac{237}{10})^2 \times \frac{79}{4}$

$\text{Volume of Cylinder}= \times 3.14 \times (23.7)^2 \times 19.75$

$\text{Volume of Cylinder}=34833.21$

Thus, volume of cylinder is 34833.21 ft³

6 0

3 years ago

The polynomial x3 + 8 is equal to (x + 2)(x2 – 2x + 4). (x – 2)(x2 + 2x + 4). (x + 2)(x2 – 2x + 8). (x – 2)(x2 + 2x + 8).

Maslowich

$Use\ a^3+b^3=(a+b)(a^2-ab+b^2)\\\\x^3+8=x^3+2^3=(x+2)(x^2+2x+2^2)\\\\=\boxed{(x-2)(x^2+2x+4)}$

6 0

3 years ago

Read 2 more answers

Help meeeeeeeeeeeee please please

drek231 [11]

Answer:

Step-by-step explanation:

2 is the y-intercept and the slope is one

4 0

3 years ago

Write the equation of a line in slope-intercept form that has a slope of -8 and a y-intercept of (0,3).

Pavel [41]

Y=ax+b
3=-8(0)+b
3=0+b
3=b

Y=-8x+3

(I think this is right, but u might want to double check)

8 0

3 years ago

Is 400% of 8 less than 10, greater than 10 but less than 100, or greater than 100

vredina [299]

400% of 8 is 32, so it is greater than 10, less than 100

8 0

3 years ago