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Ipatiy [6.2K]
2 years ago
14

What is the surface area of a square pyramid that has a base of 12 cm. and the sides of the pyramid have a slant height of 9 cm.

to the nearest whole number?
Mathematics
2 answers:
ollegr [7]2 years ago
5 0

Answer:

108

Step-by-step explanation:

just multiply the base and the heigth so 12x9=108

seraphim [82]2 years ago
4 0
Answer :
108
just Multiply the base and the height so 12x9=108
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What expression is equivalent to 4.8 + 2.2w - 1.4 w - 2.4
motikmotik

Answer: =0.8w+2.4

Step-by-step explanation:

3 0
3 years ago
I am thinking of two numbers. The difference of the two numbers is 36. Their sum is 286. What are the two numbers I am thinking
Diano4ka-milaya [45]
Let's call the two numbers a and b. So we know that the difference of the two numbers is 36:

a - b = 36

And we know that their sum is 286:

a + b = 286

We can use either of these equations to solve for one of the variables in terms of the other variable. Let's use the first and solve for a:

a - b = 36

a = 36 + b

Now we plug this into the other equation and solve for b there:

(36 + b) + b = 286 

36 + 2b = 286

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6 0
3 years ago
Read 2 more answers
Express the null hypothesis and the alternative hypothesis in symbolic form that would be used for a hypothesis test. A psycholo
deff fn [24]

Answer:

Null Hypothesis

                 H₀ :  P = 3.8

Alternative Hypothesis

                 H₁: P > 3.8

Step-by-step explanation:

<u><em>Explanation</em></u>:-

<u><em>Null Hypothesis</em></u> :-

 The single statistic, H₀ will be that the sample statistic

H₀ : There is does not differ significantly from hypothetical parameter values

H₀ :  P = 3.8

<u><em>Alternative Hypothesis:</em></u>

The statistic , H₁ will be the sample statistic

H₁: There is  differ significantly from hypothetical parameter values

H₁: P > 3.8

7 0
3 years ago
I need to know how to find the value of x
anzhelika [568]
x = 15°

The angle of a straight line is 180°.

37 + 9x + 8 = 180
9x + 45 = 180
9x = 135
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8 0
4 years ago
The middle person in a row is the 18th, how many persons are in the row?
inessss [21]

Answer:

35

Step-by-step explanation:

IF the middle is 18 then there aer 17 infront and 17 in back added together equals 35.

5 0
3 years ago
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