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sveticcg [70]
3 years ago
15

I need help plsssssssss

Mathematics
1 answer:
Allushta [10]3 years ago
8 0
I think the answer is maybe A?
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You are building a model of a square pyramid. The side length of the base of the model is 30 cm. The height is 21 cm. What is th
Shalnov [3]

Answer:

Step-by-step explanation:

  1. find the area of the base (square)=900 sq. cm
  2. find area of triangles=1260 sq. cm
  3. total= 2160 sq. cm
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The chorus has 30 members. What expression represents the number of ways a group of 6 members can be chosen to do a special perf
RoseWind [281]
The problem uses the concept of Combination where there are number of members chosen from a group and there order is not important. Thus, the expression that would best describe the given above is 30C6 which means the combination of 30 taken 6. The numerical value for this is 593775. 
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Write an equation in point slope form for the line with a slope of 3 passes through (1,2)
alexgriva [62]

Answer:

y-2=3(x-1)

Step-by-step explanation:

The point-slope form of a line is given as:

y-y_1=m(x-x_1)

Where

m is the slope

x_1 is the x-coordinate of the point given (passing through the line)

y_1 is the y-coordinate of the point given (passing through the line)

Now,

Given,

Slope = m = 3

x_1 = 1

y_1 = 2

Now, we simply plug these into the formula for point-slope form of a line:

y-y_1=m(x-x_1)\\y-2=3(x-1)

This is the point-slope form.

4 0
3 years ago
What is the slope of x+y=7,x-y=8
slava [35]

Step-by-step explanation:

The slop is M= 1÷x-y-xy

5 0
4 years ago
Solve for y.<br> y + 1.05 = 7.26<br> y = -6.21<br> y = -8.31<br> y = 6.21<br> y = 8.31
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Y=6.21
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