4 years ago

Work backward to find the value of the variable in the equation below.

Mathematics

1 answer:

Nikitich [7]4 years ago

6 0

Answer:

there is no equation

Step-by-step explanation:

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A charity fundraiser consisted of a pasta dinner where a total of 134 people were fed. They charged $6.50 for adults and $3.25 f

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Adult: 107 children: 27

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3 years ago

Which equation is y = –3x2 – 12x – 2 rewritten in vertex form?

WARRIOR [948]

Y=-6-12x-2
y=-6-12x-2
y=-8-12x
y=-8-12x
and these are real numbers

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3 years ago

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HELP BRAINLIEST FOR. CORRECT AND ALL ANSWERED ANSWER

SpyIntel [72]

Answer:

1. 6/7

2. 1/2

3. 7/10

4. 39/40

5. 15/28

6. 3/10

7. 7/12

8. 1/6

9. 5/12

10. 1/8

Step-by-step explanation:

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A pharmaticeutical company is making a new medicine capsule shaped like a cylinder with a half sphere at each end. The

DerKrebs [107]

Answer:

339.12 cubic millimeters

Step-by-step explanation:

The picture of the question in the attached figure

we know that

The volume of the figure is equal to the volume of the two hemispheres (one sphere) plus the volume of the cylinder

step 1

Find the volume of the cylinder

The volume is given by

$V=Bh$

where

B is the area of the base of cylinder

h is the height of cylinder

we have

$B=\pi r^{2}$

we have

$h=8\ mm$

$r=6/2=3\ mm$ ----> the radius is half the diameter

$B=(3.14)(3)^{2}$

$B=28.26\ mm^2$

substitute

$V=(28.26)(8)=226.08\ mm^3$

step 2

Find the volume of the sphere

The volume is given by

$V=\frac{4}{3}\pi r^{3}$

we have

$r=6/2=3\ mm$ ----> the radius is half the diameter

substitute

$V=\frac{4}{3}(3.14)(3)^{3}=113.04\ mm^3$

step 3

Adds the volumes

$226.08+113.04=339.12\ mm^3$

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3 years ago

Sari has 3 times as many pencil erasers asSam. Together they have 28 erasers. How many erasers does Sari have?

wel

3x +x = 28

4x = 28

x = 28/4 = 7

7x3 = 21

Sari has 21 erasers

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3 years ago