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2 years ago

The equation x + y = z relates the whole numbers x, y, and z. How does z compare to x?

Mathematics

1 answer:

creativ13 [48]2 years ago

8 0

Answer:

C. x is y less than z

Step-by-step explanation:

x+y=z

by using transposition

x = z-y

whatever x is, it is equal to the value of y taken from z

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Lucy's dog lost 6 pounds. How much weight does her dog need to gain in order to have a net change of 0 pounds?

nexus9112 [7]

Answer:

6 pounds

Step-by-step explanation:

if you lose 6 pounds and gain 6 pounds that make it a net change of 0 pounds

4 0

2 years ago

Read 2 more answers

g Recall the example about community college students and gender. Statistics students surveyed 135 students at Tallahassee Commu

bixtya [17]

Answer:

They can either decrease the confidence level or increase the sample size, that is, survey more students.

Step-by-step explanation:

The width of a confidence interval is given by:

$M = z*\frac{\sigma}{\sqrt{n}}$

In which z is the critical value correponding to the confidence level(higher confidence level, higher z is), $\sigma$ is the standard deviation of the population and n is the size of the sample.

The students realize that this interval contains a large margin of error. What can they do to make a narrower interval?

Looking at the formula for M, they can either decrease the confidence level or increase the sample size, that is, survey more students.

4 0

2 years ago

3 to the third power minus 2 times 3 plus 5

Dahasolnce [82]

Answer: 26

Step 1

$27-(2)(3)+5$

Step 2

$27-6+5$

Step 3

$21+5$

5 0

3 years ago

Rewrite the function f of x equals 7 times one half to the 3 times x power using the properties of exponents.

Artist 52 [7]

Answer:

f of x equals 7 times one eighth to the x power

Step-by-step explanation:

Given phrase,

function f of x equals 7 times one half to the 3 times x power,

$\implies f(x) = 7(\frac{1}{2})^{3x}$

By the power to power property of exponent,

That is,

$(a^m)^n=a^{m.n}$

$f(x) = 7((\frac{1}{2})^3)^x$

$f(x) = 7(\frac{1}{8})^x$

= f of x equals 7 times one eighth to the x power

8 0

3 years ago

Let f(x) = -3x + 2 and g(x) = 2x – 5; compute g(f(x))

ki77a [65]

Answer:

g(f(x)) = -6x+6.

Step-by-step explanation:

It is given that,

f(x) = -3x + 2 and g(x) = 2x – 5

We need to find g(f(x)).

Put it into g(x).

g(f(x)) = 2(-3x + 2)+2

= -6x+4+2

=-6x+6

Hence, the value of g(f(x)) is -6x+6.

8 0

2 years ago