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avanturin [10]
3 years ago
13

Question 4

Mathematics
1 answer:
mel-nik [20]3 years ago
8 0

Answer:

choice 4) 33.5 in³

Step-by-step explanation:

r = 4/2

V = 4/3πr³ = 4/3(3.14)(2³) = 33.5 in²

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Please tel me what goes where
maria [59]

Step-by-step explanation:

A- Equilateral (all of the angles are the same)

B- isosceles (just two angles are the same)

C- scalene (non of the angles are the same)

7 0
2 years ago
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Taylor and Anya live 63 miles apart. Sometimes on a Saturday, they ride their bikes toward each other's houses and meet somewher
blondinia [14]
Im pretty sure the answer to this is 7 miles
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3 years ago
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A car dealership sold 84 cars in April. The dealership wants to increase the number of cars sold by 25% in May. How many cars wi
Agata [3.3K]

Answer:

The car dealer must sell 105 cars in May to reach his goal.

Step-by-step explanation:

Given that the car dealer sold 84 cars in April, and wants to increase his May sales by 25%, to determine the number of cars he must sell to reach his goal it is necessary to perform the following calculation:

84 + (84 x 0.25) = X

84 + 21 = X

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Therefore, the car dealer must sell 105 cars in May to reach his goal.

8 0
2 years ago
The vertex of this parabola is at (3,-2). when the x-value is 4, the y-value is 3. whatis the coefficient of the squared express
zubka84 [21]

Answer:

<em>The coefficient of the squared expression in the parabolas equation will be 5.</em>

Step-by-step explanation:

<u>The vertex form of parabola</u> is:  y=a(x-h)^2 +k , where (h,k) is the vertex point and a is the coefficient of x^2 term.

The vertex is given as (3,-2). That means, h=3 and k=-2

So, the vertex form will be:  y=a(x-3)^2-2

Given that, when the x-value is 4, the y-value is 3. So, plugging these values into the above equation, we will get.....

3=a(4-3)^2-2\\ \\ 3=a(1)^2-2\\ \\ a=3+2=5

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5 0
3 years ago
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Find the equation of the straight line that has slope m = -6 and passes through point (2, -7)
MAXImum [283]

Answer:

y

=

3

2

x

+

1

Explanation:

To find the slope  

(

m

)

of the straight line that passes through two points  

(

x

1

,

y

1

)

and  

(

x

2

,

y

2

)

apply:

(

y

1

−

y

2

)

=

m

(

x

1

−

x

2

)

In this example our two points are  

(

0

,

1

)

and  

(

2

,

4

)

Hence:  

(

1

−

4

)

=

m

(

0

−

2

)

−

3

=

−

2

m

→

m

=

3

2

The equation of a straight line in slope  

(

m

)

and intercept  

(

c

)

form is:

y

=

m

x

+

c

In this example:

y

=

3

2

x

+

c

Since the point  

(

0

,

1

)

is on this line  

→

1

=

0

+

c

Hence,  

c

=

1

∴

y

=

3

2

x

+

1

is our required straight line.

Step-by-step explanation:

3 0
3 years ago
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