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irga5000 [103]
3 years ago
11

Answer two questions about Equations A and B:

Mathematics
1 answer:
mafiozo [28]3 years ago
8 0
The answers are
1) C
2) Yes
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Assume that adults have IQ scores that are normally distributed with a mean of 101.3 and a standard deviation 19.9. Find the fir
AnnyKZ [126]

Answer:

87.9

Step-by-step explanation:

Use a calculator or table to find the z-score that corresponds to 25%.

P(Z < z) = 0.25

z = -0.675

Now find the value that corresponds to that z score.

z = (x − μ) / σ

-0.675 = (x − 101.3) / 19.9

x = 87.9

4 0
3 years ago
-(4-8n) -7n = help meeeeeeeeee
romanna [79]

Answer:

-4+n

Step-by-step explanation:

-4+8n-7n=

4 0
2 years ago
Find the surface area of the right triangle prism(above) using the net (below)
kifflom [539]

Answer:

144

Step-by-step explanation:

2( 1/2 × 3 × 4 ) + ( 11 × 5) + ( 11 × 4 ) + ( 11 × 3)

= 12 + 55 + 44 + 33

= 144

7 0
2 years ago
The rectangle shown represents the base of a cracker box shaped like a rectangular prism. Use the ruler provided to measure the
malfutka [58]

There is no rectangle shown, nor ruler given to measure and attempt your work. Nevertheless, I will illustrate how to find the volume of a rectangular prism.

Step-by-step explanation:

Given a rectangular prism of sides

Length = l

Width = w

Height = h

The volume of this prism is given as

V = l × b × h.

Example, if

Length = 4cm

Width = 3cm

Height = 2cm

Volume = 4 × 3 × 2

= 24cm³.

7 0
3 years ago
17. Subtract the quotient of 18 and 2 from the sum of 22 and 9.
Effectus [21]

Answer:

B. 22

Step-by-step explanation:

Quotient of 18 and 2 is 9, and just take the 9 out of the next series and you will be left with 22.

4 0
3 years ago
Read 2 more answers
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