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Step2247 [10]
3 years ago
5

PLEASE HELP ME ASAP I WILL MARK YOU AS BRILLIANTplease help with these three

Mathematics
1 answer:
GalinKa [24]3 years ago
6 0

Answer:

26:  x=34

28: x=17

30: m=30

Step-by-step explanation:

<u>26:</u> 2x+22=90

subtract 22

2x=68

divide by 2

x=34

<u>28:</u> 18+3x+21=90

add 18 and 21

3x+39=90

subtract 39

3x=51

divide by 3

x=17

<u>30:</u> 43+87+m+20=180

add 43 and 87 and 20

m+150=180

subtract 150

m=30

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When a number is a multiple of 6, what are the possible values for the ones digits?
Liula [17]
I would do this by first listing the multiples of 6 until I start to see a pattern with the one's digit.
6x0=0
6x1=6
6x2=12
6x3=18
6x4=24
6x5=30
6x6=36
6x7=42
6x8=48
...
The digits in bold are the one's digits so those are the only ones we really care about.  If you list just them it looks like: 0,6,2,8,4,0,6,2,8
Notice how the first set of 5 numbers seems as though it repeats in the 6th, 7th, and 8th numbers.  This probably means the pattern continues infinitely so the first 5 numbers are all the one's digits that can come from multiples of 6.  Thus your answer is: 0,6,2,8,or 4 
7 0
3 years ago
Can you help me please everyone is ignoring my questions
galben [10]

Answer:

A= 37 degrees

C= 43 degrees

Step-by-step explanation:

Hey there!

So this question looks a lot more complicated than it really is.

Complementary angles are the same.

Supplementary angles add up to 180 degrees or in other words a straight line.

If A and B are complementary and B equals 37 degrees, than A is also 37 degrees.

To find C, all we would do is subtract 37 from 180 to find the leftover amount.

180-37=43

So, in conclusion:

A= 37 degrees

C= 43 degrees

Hoped this helped! :D

Comment if you have any further questions!

3 0
3 years ago
Read 2 more answers
-30=q-10+11q<br><br> Pls help me answer this
Leno4ka [110]
Combine q terms
-30 = 12q - 10
Add 10 to both sides
-20 = 12q
Simplify
Q = -5/3
5 0
3 years ago
Which of the following numbers is rational?
anygoal [31]

Answer:

4/5

Step-by-step explanation:

It's rational because it terminates

4 0
2 years ago
Find the width of a rectangle with a length of 6 yd and a perimeter of 18 yd.
mart [117]

Answer:

3 yd

Step-by-step explanation:

I have set up a equation based on the perimeter formula and the measurements given.

18 = 2(6 + w)

Solving for 'w', which would be the width:

18=12+2w\\\\12+2w=18\\\\12-12-2w=18-12\\\\2w=6\\\\\frac{2w=6}{2}\\\\\boxed{w=3}

The width should be 3 yd.

Hope this helps.

5 0
3 years ago
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