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Natalka [10]
4 years ago
6

What is another way to write the expression r ⋅ (18 - 3)?

Mathematics
2 answers:
Iteru [2.4K]4 years ago
5 0
It should be answer b right
Leya [2.2K]4 years ago
4 0
The answer is B. Hope it helps! :) 
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What is the surface area of this triangular pyramid?
lidiya [134]

<em>48.25 in^2</em>

Step-by-step explanation:

The formula for the surface area of a pyramid is:

SA=B+\frac{1}{2}l(number of base sides)(b)

B represents the area of the base, which in this case is a triangle. We will figure out the area of the base first, using the formula for the area of a triangle.

A=\frac{1}{2}bh

A=.5*5*4.3

A = 10.75

Now we can plug in 10.75 for B.

SA=10.75+.5*5*3*5

The cursive L will be the lateral height, which is 5. Since there are 3 sides on the base we can put that in for the number of base sides, and the base is 5.

SA=

48.25 in^2

8 0
4 years ago
How to Factor -6x-18y
Sunny_sXe [5.5K]

Answer: 108

Step-by-step explanation:

3 0
4 years ago
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padilas [110]

Answer:

the answer is 5.31E37

Step-by-step explanation:

3 0
3 years ago
What does this mean? Test the residuals of two other points to determine how well the line of best fit models the data.
kiruha [24]

A residual is a measure of how well a line fits an individual data point. Testing the two other points can really help to see how well the line fits.

4 0
4 years ago
kaitlin is participating in a 5-day cross country biking challenge. She biked for 55,67,56,and 49 miles on the first four days.
SOVA2 [1]
The mean of a set of values is the sum of the data divided by the number of entries. So in this case:

\frac{55+67+56+49+x}{5} =55

Solve for x:

55 + 67 + 56 + 49 + x = 5(55)

227 + x = 275

x = 48

The answer is 48 miles.
7 0
3 years ago
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