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2 years ago

First problem there are 11

Mathematics

2 answers:

Verdich [7]2 years ago

8 0

Answer:

A) Check the first two: 2(x+5) and 2(x) + 2(5)

B) Check the last one: 14y + 2

miv72 [106K]2 years ago

6 0

The first one for A and the first and last one for B

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Jalyn collected 24 stones. She put them in 4 equal piles. How many stones are in each pile?

ZanzabumX [31]

Answer:

Step-by-step explanation:

This is basically 24 divided by 4 since he/she is dividing 24 into 4 equal groups.

24/4=6

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2 years ago

Read 2 more answers

(2.0), (3, 0). (4,4), (5,0). Domain and range

oksano4ka [1.4K]

Domain is the x and range is y so your domain is 2,3,4,5 and your range is 0 and 4

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2 years ago

In a fruit punch drink, the 3 ingredients are apple juice, orange juice and cranberry juice. If 2/7 of

Sladkaya [172]

Answer:

3 : 4 : 7

Step-by-step explanation:

apple juice - 2/7 = 4/14

orange juice - 1/2 = 7/14

AJ + OJ = 11/14

this means that 3/14 of the punch is cranberry juice.

cranberry : apple : orange

3 : 4 : 7

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2 years ago

Assume that adults have iq scores that are normally distributed with a mean of 100 and a standard deviation of 20. if all iq sco

Svetlanka [38]

Let X be the iq score of adults. X is normally distributed with mean of 100 and standard deviation of 20.

If all iq scores are converted to z -scores then we will get z scores. And the z score is standard normal variable with mean=0 and standard deviation =1

Hence the mean and standard deviation of of all z scores will be 0 and 1 respectively.

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3 years ago

The inverse of an exponential function is the logarithmic function. True or False?

patriot [66]

For one-to-one functions, the inverse of an exponential function is a logarithmic function and the inverse of a logarithmic function is an exponential function.
For example:
$f(x)=e^{x}$
$f^{-1} (x)=ln\ x$

$f(x)=ln\ x$
$f^{-1} x=e^{x}$

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2 years ago