Answer:
<h2>
$1,280</h2>
Step-by-step explanation:
Since the rate is constant, we can do the following method.
= $160 is saved per week.
Now, multiply the amount of money for 1 week by 8.
$160 × 8 = $1,280
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Answer:
The answer is 3x
Step-by-step explanation:
The volume given is 3Pi(x^3) and the radius is x. The formula for the volume of a cone is V= [1/3]Pi(r^2)*height => [1/3]Pi (r^2) x = 3Pi(x^3) => (r^2)x = 3*3(x^3) => (r^2)x = 9(x^3) => (r^2) = 9x^2 => r = sqrt[9x^2] = 3x. Answer: r = 3x
Answer:
0.905 in
Step-by-step explanation:
Parameters given:
Volume of cone, V = 3.6 in³
Height of cone, h = 4.2 in
Although the diagram is not shown, this problem can be solved.
The volume of a cone is given as:
V = ⅓ * π * r² * h
r is the radius of the base of the cone
We can find r.
3.6 = ⅓ * π * r² * 4.2
3.6 = 4.399 * r²
=> r² = 3.6 / 4.399
r² = 0.8184
=> r = 0.905 in
The radius of the base of the cone is 0.905 in.
No. Round 146 to 150 and add both 270 and 150. It's 420. So 400 would be more reasonable. 300 is not reasonable because it ain't close.
You FOIL (First, Outer, Inner, Last)
If you FOIL, you should get 2y^2 - 4y + 4y^2 - 8y +12y -24
