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kenny6666 [7]
3 years ago
7

A. Graph A B. Graph B C. Graph D. Graph D

Mathematics
1 answer:
igomit [66]3 years ago
3 0

Answer:

C

Step-by-step explanation:

y = (x-1) (x+4)

when y=0

x=1 and x= -4

so select C

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I need help find the volume of the composite solid use 3.14 for pi
Evgen [1.6K]

Answer:

222.312\:\mathrm{in^3}

Step-by-step explanation:

The composite solid consists of a cylinder and a cone. Therefore, its total volume will be the sum of the volumes of the cylinder and cone:

Volume of the cone: \frac{1}{3}\cdot 2^2\cdot 3.14\cdot 8.1 =33.912

Volume of the cylinder: 2^2\cdot 3.14 \cdot 15=188.4

Thus, the total volume of the solid is:

33.912+188.4=\boxed{222.312\:\mathrm{in^3}}

5 0
3 years ago
Please help with these 2 answers i only have 10 minutes left
natta225 [31]

Answer:

  1. 1/4 of a pound
  2. 4/15 of the flat

Step-by-step explanation:

For number 1:

  1. 3/4 ÷ 3 = 0.25
  2. 0.25 = 1/4

For number 2:

  1. 4/5 ÷ 3 = 4/15

I hope this helps!

5 0
3 years ago
Read 2 more answers
Rationalise the denominator and simply
svlad2 [7]

▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪

Let's solve :

  • \dfrac{24}{ \sqrt{6} }

  • \dfrac{24}{ \sqrt{6} }  \times  \dfrac{ \sqrt{6} }{ \sqrt{6} }

  • \dfrac{24 \sqrt{6} }{6}

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6 0
3 years ago
Read 2 more answers
How do I solve this?
Alex787 [66]

- 5.3 \geqslant 6.7 + 4.3 + q \\  - 5.3 \geqslant 11 + q \\  - 5.3 - 11 \geqslant q \\  - 16.3 \geqslant q
5 0
3 years ago
explain why it makes sense for the original amount to be the denominator when you write a proportion to find the percent change
Romashka-Z-Leto [24]

Answer:

Since while finding a percent change i.e. to find the percent increase or decrease in the quantity the old value or we can say the original value plays  a vital role.

<em>" Because Percentage Change is all about comparing old to new values "</em>

If we do not know the original value then there is no means of comparing the new quantity, the new quantity is to be measured with respect to the old quantity.Hence, the original quantity is to be kept in the denominator.

1) First: work out the difference (increase) between the two numbers you are comparing.

2) Increase = New Number - Original Number.

3) Then: divide the increase by the original number and multiply the answer by 100.

4) % increase = Increase ÷ Original Number × 100.


7 0
3 years ago
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