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Luden [163]
3 years ago
7

Need help with this question.

Mathematics
2 answers:
kicyunya [14]3 years ago
8 0
My guess is B since you need a formula to put them together and have it organized
Nuetrik [128]3 years ago
6 0
The answer is b find a formula
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The volume of the cone shown is 5 cubic inches. What is the height of a cone with the same base diameter but a volume of 10 cubi
MaRussiya [10]

Answer:

The height of the second cone is 2 <em>h</em>₁.

Step-by-step explanation:

The volume of a cone is:

V=\pi\ r^{2}\frac{h}{3}

The volume of the first cone is, <em>V</em>₁ = 5 in³.

The volume of the second cone is, <em>V</em>₂ = 10 in³.

The two cones have the same base diameters.

This implies that the two radii are same, i.e. <em>r</em>₁ = <em>r</em>₂.

Compute the height of the second cone as follows:

   r_{1}=r_{2}

\frac{3\cdot V_{1}}{\pi\ h_{1}}=\frac{3\cdot V_{2}}{\pi\ h_{2}}

  \frac{V_{1}}{h_{1}}=\frac{V_{2}}{ h_{2}}

  \frac{5}{h_{1}}=\frac{10}{h_{2}}

  h_{2}=2\ h_{1}

Thus, the height of the second cone is 2 <em>h</em>₁.

7 0
2 years ago
Using factor theorem , show that (x -4) is a factor 2x3 + x2 -26x - 40 and hence factorize completely.
notka56 [123]

Step-by-step explanation:

if x-4 is a factor of 2x^3 + x^2- 26x - 40

then f(4) = 0

f(x) = 2x^3 + x^2- 26x - 40

f(4) = 2(4)^3 + (4)^2 - 26(4) - 40

f(4)= 2(64) + 16 - 104 - 40

f(4) = 128 + 16 - 104 - 40

f(4) = 0

hence factorize completely is the photo

7 0
2 years ago
There are 10 balloons in an arrangement and 7 of them are red. What percentage of red balloons are in the arrangement?
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Answer:

70% are red.

Step-by-step explanation:

Divide this: 7 divided by 10 equals 0.7

0.7 is 70% in percent

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3 years ago
The questions are included in the images below. If you can solve AND EXPLAIN it to me, then I will give brainliest to whoever an
Feliz [49]

Answer:

blep

Step-by-step explanation:

Higher then the levels of ten and lower of the x-axis through the ten starting with negative ten to y axis 10

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3 years ago
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ordered pairs in which of these formats do not have to represent a function? (Length of side of a square,perimeter of square)​
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Answer:

perimeter of square

Step-by-step explanation:

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