Solve mathematics problem in photo please! Second

Answers

Answer 1

Answer: Hello,

8+h>2+3h
==>-2h>2-8
==>-2h>-6
==>h<3

Answer C

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3.9-21 helpp please kikiki

Answers

Answer:

3.9-21=-17.1

Step-by-step explanation:

3.9-21

3.9+-21

=-17.1

-17.1 . Just do 21-3.9 then put a negative in front of it

What part of the circumference is an arc whose measure is 30°?a.1/12
b.1/10
c.1/8
d.1/6

Answers

Circumference of a circle:
C = 2 r π;
Length of an arc:
L = r π α / 180°
L = r π · 30° / 180° = r π /6
r π /6 : 2 r π = 1/6 : 2 = 1/12
Answer: A ) 1/12

The monthly electric bills in acity have a mean of $86 and a
standard deviation of $18. Find
the z-scores that correspond
to a utility bill of $160.

Answers

Answer:

Step-by-step explanation:

5x – 4 = x - 16
solve the equation

Answers

Answer:

x = - 3

Step-by-step explanation:

Given

5x - 4 = x - 16 ( subtract x from both sides )

4x - 4 = - 16 ( add 4 to both sides )

4x = - 12 ( divide both sides by 4 )

x = - 3

Answer:

$\huge{ \fbox{ \sf{x = -3}}}$

Step-by-step explanation:

$\star{ \sf{ \: 5x - 4 = x - 16}}$

$\text{Step \: 1 \: : \sf{ \: Move \: x \: to \: left \: hand \: side \: and \: change \: its \: sign.}}$

$\hookrightarrow{ \sf{5x - x - 4 = - 16}}$

$\text{Step \: 2 \: : \sf{ \: Move \: 4 \: to \: right \: hand \: side \: and \: change \: its \: sign.}}$

$\hookrightarrow{ \sf{ 5x - x = - 16 + 4}}$

$\text{Step \: 3 \: : \sf{Collect \: like \: terms}}$

$\hookrightarrow{ \sf{ 4x = - 16 + 4}}$

$\text{Step \: 4 \: : \sf{Calculate}}$

$\text{ \underline{Remember! : }} \sf{ \: The \: \: negative \: and \: positive \: integers \: are \: always \: subtracted \: but \: posses \: the \: sign \: of \: the \: bigger \: integer.}$

$\hookrightarrow{ \sf{ 4x = - 12}}$

$\text{Step \: 4 \: : Divide \: both \: sides \: by \: - 6}$

$\hookrightarrow{ \sf{ ( 4x)/( 4) = ( - 12)/( 4)}}$

$\text{Step \: 5 \: : Calculate}$

$\hookrightarrow{ \sf{x = -3}}$

The value of x is -3.

Hope I helped!

Best regards! :D

~ $\sf{TheAnimeGirl}$

Which number line represents the solution set for this inequality?

−9x −12 ≤ 42

Answers

Number line 4 will represent the solution set of given inequality

−9x −12 ≤ 42.

What is inequality?

When two numbers or algebraic expressions are in opposition to one another, this is known as an inequality. It can be expressed as greater than, greater than or equal to, less than, or less than or equal to.

Given:

−9x −12 ≤ 42

-9x-12+12≤42+12

-9x ≤ 54

-9x/-9 ≤ 54/-9

x ≤ -6

To know more about inequality please visit:

brainly.com/question/28823603

#SPJ2

Answer:

Number line 4

Step-by-step explanation: