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jenyasd209 [6]
3 years ago
6

Solve the following equations for x, and give evidence that your solutions are correct (x/2)+(1/3)=(5/6).

Mathematics
1 answer:
azamat3 years ago
4 0

Answer:

x = 1

Step-by-step explanation:

Given equation:

\frac{x}{2}+\frac{1}{3}=\frac{5}{6}

Now,

subtracting  \frac{1}{3} from both sides

we get

⇒ \frac{x}{2}+\frac{1}{3}-\frac{1}{3}=\frac{5}{6}-\frac{1}{3}

or

⇒ \frac{x}{2}+0=\frac{5}{6}-\frac{1}{3}

or

⇒  \frac{x}{2}=\frac{5\times3-6}{6\times3}

or

⇒ \frac{x}{2}=\frac{9}{18}

or

\frac{x}{2}=\frac{1}{2}

Now, multiplying both sides with the number 2, we get

x = 1

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Evaluate the following function when x = -1 and x = 2 and determine the sum of the two results:
ElenaW [278]

Answer:

J. 1

Step-by-step explanation:

Plug the x values into the equation:

f(-1)=3-(-1)^2

f(2)=3-(2)^2

Solve each one, then add.

3-(-1)^2=

=3-1=2

3-(2)^2=

=3-4=-1

Combine the answers together.

2-1=1

The answer is J. 1.

Hope this helps!

Please mark as brainliest if correct!

7 0
1 year ago
Suppose there is a pile of quarters dimes and pennies with a total value of $1.07 how much of each coin can be present without b
Korolek [52]
Hello,

Very nice as problem.

2 solutions:
1 quater,8 dimes, 2 pennies
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since
107=( 0, 0, 107) but : 100= 0*25+ 0*10+ 100
107=( 0, 1, 97) but : 100= 0*25+ 1*10+ 90
107=( 0, 2, 87) but : 100= 0*25+ 2*10+ 80
107=( 0, 3, 77) but : 100= 0*25+ 3*10+ 70
107=( 0, 4, 67) but : 100= 0*25+ 4*10+ 60
107=( 0, 5, 57) but : 100= 0*25+ 5*10+ 50
107=( 0, 6, 47) but : 100= 0*25+ 6*10+ 40
107=( 0, 7, 37) but : 100= 0*25+ 7*10+ 30
107=( 0, 8, 27) but : 100= 0*25+ 8*10+ 20
107=( 0, 9, 17) but : 100= 0*25+ 9*10+ 10
107=( 0, 10, 7) but : 100= 0*25+ 10*10+ 0
107=( 1, 0, 82) but : 100= 1*25+ 0*10+ 75
107=( 1, 1, 72) but : 100= 1*25+ 1*10+ 65
107=( 1, 2, 62) but : 100= 1*25+ 2*10+ 55
107=( 1, 3, 52) but : 100= 1*25+ 3*10+ 45
107=( 1, 4, 42) but : 100= 1*25+ 4*10+ 35
107=( 1, 5, 32) but : 100= 1*25+ 5*10+ 25
107=( 1, 6, 22) but : 100= 1*25+ 6*10+ 15
107=( 1, 7, 12) but : 100= 1*25+ 7*10+ 5
107=( 1, 8, 2) is good
107=( 2, 0, 57) but : 100= 2*25+ 0*10+ 50
107=( 2, 1, 47) but : 100= 2*25+ 1*10+ 40
107=( 2, 2, 37) but : 100= 2*25+ 2*10+ 30
107=( 2, 3, 27) but : 100= 2*25+ 3*10+ 20
107=( 2, 4, 17) but : 100= 2*25+ 4*10+ 10
107=( 2, 5, 7) but : 100= 2*25+ 5*10+ 0
107=( 3, 0, 32) but : 100= 3*25+ 0*10+ 25
107=( 3, 1, 22) but : 100= 3*25+ 1*10+ 15
107=( 3, 2, 12) but : 100= 3*25+ 2*10+ 5
107=( 3, 3, 2) is good
107=( 4, 0, 7) but : 100= 4*25+ 0*10+ 0



4 0
3 years ago
Will give brainiest & other. Help please!
alina1380 [7]

Answer:

y= 1x

Step-by-step explanation:

6 0
2 years ago
Order least from greatest -50 44 -3 1.5
sp2606 [1]

Answer:

-50, -31.5, 44 I think

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Find the missing side of the right triangle
o-na [289]

Answer:

<h2>1</h2>

Step-by-step explanation:

Use the Pythagorean theorem:

leg^2+leg^2=hypotenuse^2

We have

leg=3,\ leg=x,\ hypotenuse=\sqrt{10}

Substitute:

3^2+x^2=(\sqrt{10})^2

9+x^2=10             <em>subtract 9 from both sides</em>

9-9+x^2=10-9

x^2=1\to x=\sqrt1\\\\x=1

7 0
3 years ago
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