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3 years ago

Write a two-step equation involving a fraction and explain how to solve it. pleaseeeeeeeeeee

2 answers:

8 0

There are two fractions (2/3 and 4/3) what are they added together? 4/3 first step, make the improper fration into a mixed number, then add. two steps. 4/3 =1 and 1/3 + 2/3 is 2.

jeyben [28]3 years ago

5 0

It takes two steps to solve an equation or inequality that has more than one operation:Simplify using the inverse of addition or subtraction.Simplify further by using the inverse of multiplication or division.

5-5x=0
5-5x-5=0-5
-5x=-5
-5x/-5=-5/-5
x=1

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Find a ⋅ b. a = <5, 2>, b = <4, 5>

cestrela7 [59]

Answer:

Step-by-step explanation:

For a = <xa, ya> and b = <xb, yb>, the dot product is the sum of products ...

a·b = (xa)(xb) + (ya)(yb)

Substituting the given information, you have ...

a·b = 5·4 + 2·5 = 20 + 10

a·b = 30

_____

Some graphing calculators can do such math. There are also dot product calculators available on the Internet. If you have quite a few of these to calculate, you can put the appropriate formula into a spreadsheet.

6 0

3 years ago

What single decimal multiplier would you use to increase by 5% followed by a 20% increase?

sashaice [31]

Answer:

The single decimal multiplier is 1.26.

Step-by-step explanation:

Multipliers:

For a decrease of a%, we multiply by: $\frac{100-a}{100}$

For a increase of a%, we multiply by: $\frac{100+a}{100}$

For consecutive changes, we multiply the multipliers.

Increase of 5%

Multiply by $\frac{100+5}{100} = \frac{105}{100} = 1.05$

Increase of 20%

Multiply by $\frac{100+20}{100} = \frac{120}{100} = 1.2$

Consecutive:

1.05*1.2 = 1.26

The single decimal multiplier is 1.26.

8 0

3 years ago

The quadratic x? - x = 2 has two solutions. What is the larger of the two solutions?

chubhunter [2.5K]

I believe the 2 is the largest

5 0

3 years ago

The function f(x) varies directly with x, and f(x)=12 when x=8

lozanna [386]

The answer would be d.

You can solve this by changing it up a little, such as changing it to f • x = 12
you can then divide by 8, because x = 8.
You're then left with f = 12/8 or 3/2
multiply by x again on both sides, and voila, f(x)=3/2x

6 0

4 years ago

Candy and Tim share a paper route. It takes Candy 85 min to deliver all the papers, and it takes Tim 65 min. How long does it ta

RSB [31]

Answer:

The time required to finish the work by both candy and Tim working together = 36.83 minute

Step-by-step explanation:

Time taken by the candy to finish the work $T_{1}$ = 85 min