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Aleks04 [339]
3 years ago
5

The value of x is? also can you explain how to do this?

Mathematics
1 answer:
jek_recluse [69]3 years ago
6 0
We have to know the angle that is not labelled. (lets call it y) 
9x + y= 180 

and the sum of the angles of a triangle is 180 
5x + (9+x) + y=180 

2 simultaneous equations 
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The function y = -x + 4 has to main of {0.3,6). What is its range?
Komok [63]

Answer:

i think it's A if I'm wrong then wow

4 0
3 years ago
(5ab-4a-6)-(4ab-1) find the sum please fast
jekas [21]

We need to get rid of expression parentheses.

If there is a negative sign in front of it,

each term within the expression changes sign.

Otherwise, the expression remains unchanged.

Numerical 'like' terms will be added. There is only one group of like terms

the answer is: ab-4a-5 

<span />
7 0
3 years ago
A CEO leads a company of 250 employees and wants to conduct a survey.
krek1111 [17]

Answer:

D

Step-by-step explanation:

You would do D because the other options aren't that random. Randomly choosing employees <em>is</em> a random sample and will give you a valid answer.

8 0
3 years ago
Read 2 more answers
TWO QUESTIONS PLS HELP ASAP
ASHA 777 [7]
Answer: 4. (-1,-1) 3. (3,-2)

4)

Set the equations equal to each other.

4x+3=-x-2

Subtract 3 from both sides

4x=-x-5

Add x to both sides

5x=-5

Divide both sides by 5

x=-1

Next, replace x with -1 in either equation to find y.

-(-1)-2=y

-1=y


3)

Do the same thing for this one and set them equal to each other

-2x+4=-1/3x-1

Add 1 to both sides

-2x+5=-1/3x

Add 2x to both sides

5=5/3x

Divide both sides by 5/3

x=3

Next, replace x with 3 in either equation

-2(3)+4=y

-2=y




4 0
3 years ago
If Ms. T sets a goal to walk at least 13,000 steps each day, what is the percent increase she will have to make in order to reac
Bond [772]

Answer:

0.185%

Step-by-step explanation:

ms.T goals = 13000 steps per day

<u>24</u><u>/</u><u>13000</u><u>×</u><u>100</u>

<u>2400</u>

<u>13000</u>

<u>=</u><u>24</u><u>/</u><u>130</u>

<u>=</u><u> </u><u>0.185</u><u>%</u>

8 0
3 years ago
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