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SSSSS [86.1K]
3 years ago
6

18 - 5 · 3 = ? A: 3 B: 36 C: 39

Mathematics
2 answers:
NISA [10]3 years ago
4 0

C 39

18-5=13 so that x 3 = 39

hope i helped :)

aleksley [76]3 years ago
3 0
The correct answer would be 3. Because if you do 18-5 that equals 13 and then 13*3 is 39 but that’s not the correct answer. It’s 3
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Help please...........
Marrrta [24]
A point I hope this helps
3 0
4 years ago
Select the points that lie on the function g(x) = -x2 (Choose all that apply.) (0, 0) (-3, -9) (3, -9) (-3, 9)
Evgesh-ka [11]
The function is :

                              \displaystyle{ g(x)=-x^2, 

which means that "g of a number" is equal to "negative, the square of that number".

According to the function we calculate g(0), g(-3), g(3) as follows:

g(0)=-0^2=-0=0\\\\g(-3)=-(-3)^2=-9\\\\g(3)=-3^2=-9

This means that we have the points (0, 0), (-3, -9), and (3, -9) lying on the graph of the function.


Answer: (0, 0), (-3, -9), (3, -9) 
4 0
3 years ago
Given IQ scores are approximately normally distributed with a mean of 100 and a standard deviation of 15, the proportion of peop
weeeeeb [17]

The proportion of people with IQs above 130 is 2.3%.

<h3>How to calculate the value?</h3>

Normal distribution, is a probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean.

Here the mean is 100 and a standard deviation of 15.

µ = 100, σ = 15

P(X > 130) =

= P( (X-µ)/σ > (130-100)/15)

= P(z > 2)

= 1 - P(z < 2)

Using excel function:

= 1 - NORM.S.DIST(2, 1)

= 0.023 = 2.3%

The value is 2.3%.

Learn more about proportion on:

brainly.com/question/19994681

#SPJ1

8 0
2 years ago
402053 rounded to the nearest thousand
TiliK225 [7]
The answer is 402000
5 0
3 years ago
Read 2 more answers
In right triangle ΔABC, ∠C is a right angle, AC = 20 and m∠A = 41º. Find AB to the nearest tenth.
kykrilka [37]

Answer:

AB = 26.5º

Step-by-step explanation:

cosA = adj/hyp

cosA = AC/AB

cos41 = 20/AB

Multiply both sides by AB

AB * cos41 = 20

Divide both sides by cos41

AB = 20/cos41

AB = 26.5º

4 0
3 years ago
Read 2 more answers
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