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Ulleksa [173]
2 years ago
8

How would you rewrite the following expression: 3 1/2 divided by 4/5?

Mathematics
1 answer:
kifflom [539]2 years ago
7 0

3 and 1/2 times 5/4 or 7/2x5/4 do that and you get 35/8 simplify to get 4 and 3/8

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Explain how you know if an equation has no solutions, one solution or an infinite number of solutions
topjm [15]

Answer:

If you cancel out all of the x terms via addition or subtraction, and you get something along the lines of 1 = 2, then you have no solution.

11x + 4 = 11x + 7 Subtract 11x from both sides

4 = 7 No value for x will satisfy this equation.

If you cancel out all the x terms via addition or subtraction and you get something along the lines of 1 = 1, then you have infinite solutions.

2(x + 1) = 2x + 2 Expand the left side using the distributive property

2x + 2 = 2x + 2 Subtract 2x from both sides

2 = 2 Every value for x will satisfy this equation

If you can’t cancel out all the x terms with addition or subtraction, you probably have 1 solution.

5x + 2 = 3x + 100 Subtract 3x from both sides

2x + 2 = 100 Subtract 2 from both sides

2x = 98 Divide by 2 on both sides

x = 49 The only x value that satisfies this equation is 49

There are other cases where functions of x aren’t injective, meaning there’s more than one x value that satisfies the equation. Here’s what I mean.

x^2 = 4

x = 2 or -2

x^3 = 1

x = 1, -1/2 + isqrt(3)/2, -1/2 - isqrt(3)/2

sin(x) = 0

x = 2n*pi, where n is some integer

5 0
2 years ago
Idk this FTUDTFJDUTDFTIITDKDTDITDTI
Eva8 [605]
Lol it’s 3.75. 3*4 is 12 leaving 3.
4 0
3 years ago
Read 2 more answers
If slope is 3/5 and y = -2 what is it in slope intercept form
Art [367]

Answer:

Step-by-step explanation:

Slope m = 3/5 and

intercept at y = -2

And y = mx + c

y = 3/5x + (-2)

y = 3/5x - 2

Multiply each term by 5

5y = 3x - 10

8 0
2 years ago
Read 2 more answers
Find the value of x.<br> 69°<br> (2x-1)°
inysia [295]

Answer:

x = 11

Step-by-step explanation:

69° + (2x - 1)° = 90° (complementary angles)

69 + 2x + 1 = 90

Add like terms

69 - 1 + 2x = 90

68 + 2x = 90

Subtract 68 from each side

68 + 2x - 68 = 90 - 68

2x = 22

Divide both sides by 2

2x/2 = 22/2

x = 11

4 0
3 years ago
15% of the 50 donut holes in the box were chocolate. How many chocolate donut holes were in the box?​
tiny-mole [99]

Answer:

7.5

Step-by-step explanation:

3 0
3 years ago
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