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alisha [4.7K]
2 years ago
7

Find the surface area 12cm 15cm 14cm 14cm

Mathematics
1 answer:
Ivahew [28]2 years ago
5 0

Answer:

1288

Step-by-step explanation:

Triangles on the top have surface area 15*14/2 there are four of them so multiply by four to get 420.

The rectangular sections all have area 12*14 except for the base. There are four of these equal sections, so the combined area is 672.

Lastly, the base has area 14*14, which is 196.

Summing all of these we get 1288

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Answer both questions please
alex41 [277]

Answer:

Sorry I can't because i don't know this : (

Step-by-step explanation:

6 0
3 years ago
X. Y
Dovator [93]

Answer:

Slope:  5

Y-intercept:  0

Equation:  y=5x

Step-by-step explanation:

Lets look for an equation of the format y = mx + b, where m is the slope and b is the y-intercept (the value of y when x = 0).

Slope is defined as the "Rise/Run" of the line.  The change in y(the rise) for a change in x(the run).  This can be calculated by taking any two of the given data points.  I'll pick (1,5) and (5,25):

Rise = (25 - 5) = 20

Run = (5 - 1) = 4

The Rise/Run, or slope, m, is (20/4) or 5.

<u>The equation becomes y = 5x + b.</u>

To find b, the y-intercept, enter <u>any</u> of the points into the equation and solve for b:

y = 5x + b

y = 5x + b   for (4,20)

20 = 5*(4) + b

b = 0

The line goes through the origin at x = 0 (0,0).

The equation is y = 5x + 0 or just y = 5x.

Slope:  5

Y-intercept:  0

Equation:  y=5x

4 0
1 year ago
Help me now!! 16 points!!
stellarik [79]

Answer:

it's the fourth one

Step-by-step explanation:

Solve all the problems using exponent rules and the last one equals 632

6 0
2 years ago
What is the value of the function at x=−3?
babunello [35]
X=-3 or x=3 Because yo have to reverse the inequality sign
4 0
3 years ago
Solve the system of equations below. Enter your answer in the boxes.
Vesna [10]
Simplifying
8a + 12b = 92

Solving
8a + 12b = 92

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-12b' to each side of the equation.
8a + 12b + -12b = 92 + -12b

Combine like terms: 12b + -12b = 0
8a + 0 = 92 + -12b
8a = 92 + -12b

Divide each side by '8'.
a = 11.5 + -1.5b

Simplifying
a = 11.5 + -1.5b
3 0
2 years ago
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