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3 years ago

Can someone find surface area pls

Mathematics

1 answer:

Mama L [17]3 years ago

4 0

Answer: 96 Units^2

Step-by-step explanation:

Triangle Area: A = 1/2bh A=1/2(6)(2) Area=6

Rectangle Area(s): A=bh A= 6(7) = 42

A=bh A= 7(3) A= 21

Add them all up and you'd get

6+6+42+21+21 = 96 $x^{2}$

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If 3 bars of chocolate cost $15.00 ghana cedis how much will 7 bars cost ratio

Rudiy27

Answer:

7 chocolate bars will cost $35

Step-by-step explanation:

if 3 cost $15 then 1 bar would cost 5 dollars and 5x7=35

here is a ratio:

3 = 7

15 = 35

6 0

3 years ago

60 - 3d + 20 - 6 = 4d

iragen [17]

60-3d + 20-6 =4d
74-3d =4d
-3d =4d -74
-7d = -74
D=74/7

4 0

3 years ago

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"A baseball player is known to get onto first base 30% of the times he is at bat. That player bats 70 times"

natima [27]

I think the answer is a I'm not sure

8 0

3 years ago

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Leno4ka [110]

Answer:

10 in

Step-by-step explanation:

8 0

3 years ago

Consider the function f ( x ) = − 2 x 3 + 27 x 2 − 108 x + 9 . For this function there are three important open intervals: ( − [

Darya [45]

Answer:

A=3 and B=6

Step-by-step explanation:

Increasing and Decreasing Intervals of Functions

Given f(x) as a real function and f'(x) its first derivative.

If f'(a)>0 the function is increasing in x=a

If f'(a)<0 the function is decreasing in x=a

If f'(a)=0 the function has a critical point in x=a

As we can see, the critical points may define open intervals where the function has different behaviors.

We have

$f ( x ) = - 2 x^3 + 27 x^2 - 108 x + 9$

Computing the first derivative:

$f' ( x ) = - 6 x^3 + 54 x - 108$

We find the critical points equating f'(x) to zero

$- 6 x^3 + 54 x - 108=0$

Simplifying by -6

$x^2 -9 x +18=0$

We get the critical points

$x=3,\ x=6$

They define the following intervals

$(-\infty,3),\ (3,6),\ (6,+\infty)$

Thus A=3 and B=6

3 0

3 years ago