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MrRissso [65]
3 years ago
12

Write a formula for the function and use the formula to find the indicated value of the function. A) The surface S of a cube as

a function of the length of the cube's edge e; the surface area of edge length 5ft. B) the volume V of a sphere as a function of the sphere's radius r; the volume of the sphere of radius 3cm.
Mathematics
1 answer:
vazorg [7]3 years ago
8 0
A )  S = 6 e²
e = 5 ft
S = 6 · 5² = 6 · 25 = 150 ft²
B ) V = 4 r² π
r = 3 cm
V = 4 · 3² π = 4 · 9 π = 36 π cm³ 
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iogann1982 [59]

Answer:

By ASA

Step-by-step explanation:

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So by side angle side postulate both triangles are congruent

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Brainliest?

6 0
3 years ago
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Mr cho drives 45 miles in 1 hours.if her speed stays constants, how many hours will it take for her to drive 405 miles
-Dominant- [34]
With constant speed it will take her : 405 ml / 45= 9 hours of drive
6 0
3 years ago
Solve using a system of equations. Tickets to a local movie were sold at $6.00 for adults and $4.50 for students. If 110 tickets
Marrrta [24]

Answer:

The number of adults tickets is 80 and the number of students tickets is 30

Step-by-step explanation:

Given as :

The tickets price for adults = $6.00

The tickets price for students = $4.50

Total number tickets were sold = 110

Total Price of 110 tickets = $615.00

Now,

Let The number of adults tickets sold = A

The number of students tickets sold = S

So, according to question

          A + S =  110

And   6 A + 4.5 S = 615

Or,   6 A + 6 S =  660            .....1

       6 A + 4.5 S = 615            ......2

Solving the equations

( 6 A + 6 S ) - ( 6 A + 4.5 S ) = 660 - 615

Or,  ( 6 A - 6 A ) ( 6 S - 4.5 S ) = 45

or,  ( 6 S - 4.5 S ) = 45

or,   1.5 S = 45

∴    S = \frac{45}{1.5}

I,e  S = 30

Put the value of S in eq 1

So,  6 A + 6 × 30 =  660

Or,  6 A = 660 - 180

Or  6 A = 480

∴   A = \frac{480}{6}

I.e A = 80

Hence The number of adults tickets is 80 and the number of students tickets is 30   .     Answer

4 0
3 years ago
What’s is the output if the input is 10 ? Help please and thank u
Natalija [7]

Answer:

20

Step-by-step explanation:

locate 10 on the horizontal (x- axis), go vertically up to meet the line at (10, 20)

The corresponding output is the value on the vertical (y- axis )

That is the output is 20

8 0
3 years ago
At a motorbike store, 20% of the motorbikes are Honda products and 1/9 of them are Vespa’s. If the store had exactly 270 motorbi
scoray [572]

Answer:

84.

Step-by-step explanation:

We have been given that at a motorbike store, 20% of the motorbikes are Honda products and 1/9 of them are Vespa's. The store had exactly 270 motorbikes.

Let us find 20% 270 to find number of Honda bikes.

\text{Honda bikes}=270\times \frac{20}{100}

\text{Honda bikes}=270\times \frac{1}{5}

\text{Honda bikes}=54

Therefore, there are 54 Honda bikes at the store.

Let us find 1/9 of 270 to find number of Vespa bikes.

\text{Vespa bikes}=270\times \frac{1}{9}

\text{Vespa bikes}=30

Therefore, there are 30 Vespa bikes at the store.

The number of either Honda or Vespa bikes would be sum of both type bikes.

\text{Number of either Honda or Vespa bikes}=54+30

\text{Number of either Honda or Vespa bikes}=84

Therefore, 84 of the total bikes are either Honda or Vespa made.

5 0
4 years ago
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