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Dennis_Churaev [7]
3 years ago
14

Find the surface area of the rectangular prism.

Mathematics
1 answer:
olganol [36]3 years ago
8 0

Answer:

D. 270 cm2

Step-by-step explanation:

2*(15*5 + 15*3 + 5*3) = 270 cm2

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Write the equation of the line in Point-Slope Form
katrin [286]

17.

The point-slope form:

y-y_1=m(x-x_1)

We have slope=m=8, and the point (-5, -3). Substitute:

y-(-3)=8(x-(-5))\\\\\boxed{y+3=8(x+5)}


18.

The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

We have the points (3, 4) and (15, 10). Substitute:

m=\dfrac{10-4}{15-3}=\dfrac{6}{12}=\dfrac{1}{2}

The point-slope form:

\boxed{y-4=\dfrac{1}{2}(x-3)}

or

\boxed{y-10=\dfrac{1}{2}(x-15)}

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3 years ago
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Step-by-step explanation:

6 0
3 years ago
Can someone please help me​
castortr0y [4]

Answer:

2x3 +10x2 -2x -10

Step-by-step explanation:

x2 + x + 5x + 5

(x2 + 6x + 5 )(2x -2)

2x3 + 12x2 + 10x - 2x2 -12x - 10

2x3 +10x2 -2x -10

4 0
3 years ago
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Given that B is between A and C. If AB=x, BC =2x-3, and AC = 30. Find x and bc
Artemon [7]

Answer:

x=11

BC=19

Step-by-step explanation:

AB+AC=AC this is because B is in between A and C. So now we can substitute all of the line segments, so we have

x+2x-3=30          Now you add 2x and x

3x-3=30      Now you add 3 to both sides so you can get 3x alone on one side

3x=33        Now you divide both sides by 3 so you get the x alone on one side

x=11

The next step is to substitute x to find BC.

BC=2x-3       Substitute the x with 11

BC=2(11)-3    Then multiply 2 and 11 because that is the rule with parenthesis

BC=22-3        then subrtact the 3 from 22

BC=19

You can check your work by doing AB+BC=AC

11+19=30        substitute your answers and then add them together

30=30

3 0
3 years ago
Which represents the solution(s) of the system of equations, y = x2 - 6x + 8 and y = -x + 4? Determine the solution
olga nikolaevna [1]

Answer:

(2.0) and (4.0) because i dont know the answer HAHAHAHAHA

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3 years ago
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