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saw5 [17]
3 years ago
8

I need the answers to these math problems

Mathematics
2 answers:
Sergio039 [100]3 years ago
6 0
6. 6•2-1 = 12-1 = 11
9+2 = 11 11 = 1

7. 9•[8-2-3-(9-8)] 9-8 = 1
8-2-3 = 3 • 9 = 27+1 = 28

8. [7•3-(6+9)]/2= 6+9= 15
7•3 = 21 /2 = 10.5

9. 2•10/5+(7+5)/2= 7+5=12
2•10 = 20/2 = 10+12 = 22

10. 2•6-9-[5-(9-7)] 9-7 = 2
5-2 = 3
2•6= 12-9+3 = 3+3=6

11. 10+10/5-8 = 10/5 = 2
10-8+2= 2+2=4

12. [2-(10-8)]•6+3•5 = 10-8=2
2-2= 0 • 6 = 0+3•5 =15

13. 8/2/(6-4) = 6-4 = 2
8/2/2 = 4/2=2

14. 6[5+(14-8)/3] = 14-8=6 = 5+6/3= 2+5= 7•6 = 42

make sure you always use PEMDAS! those brackets are important too. once you do the problem inside the parentheses you go straight to the problem inside the bracket then move further on. please make brainliest :)!!
mafiozo [28]3 years ago
3 0
5# 25-(2×10)=25-20=5. 7# 9×(8-2-3-1)=9×2=18. 8# (7×3-15)÷2=(21-15)÷2=6÷2=3. 9# 2×10÷5+12÷2=20÷5+12÷2=4+6=10. 10# 2×6-9-(5-2)=2×6-9-3=12-9-3=3-3=0. 11# 10+2-8=12-8=4
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A worker’s pay for one week was $312. She worked 39 hours. How much was she paid per hour?
Volgvan

To find out how much she earned hourly, all we need to do is divide 312 and 39

312 ÷ 39 = 8

Therefore, she was paid $8 per hour

Hope this helps!

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3 years ago
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Can somebody please help...I don’t understand it would mean a lot ❤️
ohaa [14]

Answer:

y=0.5x+8

Step-by-step explanation:

Use the formula for the equation of a line y=mx+c where m is the slope and c is a number.

To find the slope, take two points (x₁,y₁) (x₂,y₂) and put them into the slope equation m=(y₂-y₁)/(x₂-x₁):

We can take two points from the graph: (2,9) (4,10)

m=(y₂-y₁)/(x₂-x₁)

m=(10-9)/(4-2)

m=1/2 or 0.5

Now sub this value in for m and our formula looks like this:

y=0.5x+c

To find the value of c, sub in one of the points, eg. (4,10)

y=0.5x+c

10=0.5(4)+c

10=2+c

c=8

So now that we now m and c, our equation is complete :D

y=0.5x+8

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3 years ago
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The product of 2 √3 and 3 √12 simplified form is...
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<h2>Greetings!</h2><h3>When multiplying two roots together, you can rearrange the equation so that the roots are next to each other and so are the whole numbers:</h3>

2 x 3 x \sqrt{3} x \sqrt{12}

<h3>This means that 2 x 3 is simple, = 6,</h3><h3>But when multiplying \sqrt{3} x \sqrt{12} you simply multply the two numbers and put them in a square root:</h3>

\sqrt{3} x \sqrt{12} = \sqrt{36}

<h3>But this can be square rooted to 6, which then means that the equation is now:</h3>

2 x 3 x 6 = 36

<h3>So the simplified form is 36.</h3>
<h2>Hope this helps!</h2>
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students can buy up to 10 books at the book fair the cost of the books as shown in the graph what is the domain of the graph
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The answer is 8 okay
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