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Andrej [43]
3 years ago
15

V=1 ; v=1-11) Zv+2v 3v -40 = A)5 B)-2 C)-8 D)3

Mathematics
1 answer:
worty [1.4K]3 years ago
5 0
The answer is B bsbsusus
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Which of the following will result in a rational number? Select all that apply.
Burka [1]

Answer:

A

Step-by-step explanation:

the answer is a :

6 4/5+√9/4

8 0
2 years ago
Marissa dug three fifths of a hole in one tenth of an hour. Find the rate<br> in holes per hour
snow_lady [41]

Answer:

Step-by-step explanation:

This might be easier to do in decimals. Let's try it.

3/5 = 0.6

1/10 = 0.1

rate = holes / hours

rate = 0.6/0.1

rate = 6 holes per hour

Try it with fractions.

rate =       \frac{\frac{3}{5} }{\frac{1}{10} }    Invert and multiply the 1/10

rate =  \frac{3}{5} *\frac{10}{1} = 30/5 = 6

It's the same answer. Pick the method that you feel most comfortable with.

3 0
3 years ago
Nsider the following system of equations y=6x^2+1, y=x^2+4
sp2606 [1]

The given equations are y= 6x^2+1 and y=x^2+4

Both the equations equal y so we can make them equal

6x^2+1=x^2+4

To bring x term on one side we subtract x^2 both sides

6x^2-x^2+1=4

5x^2+1=4

To isolate x term we subtract 1 both sides

5x^2=4-1

5x^2=3

Dividing by 5 both sides

X^2=3/5

Taking root of both sides we have:

X=±√⅗

Substituting x value to find y

When x=+√⅗=0.7745

Y= 6x^2+1

Y=6(3/5)+1

Y= 18/5+1

Y=23/5 =4.6

When x= -√⅗=-0.7745

Y= 6(3/5)+1

Y=23/5=4.6

Point of intersections are ( 0.7745,4.6) and (-0.7745,4.6)

7 0
3 years ago
Pls help or explain steps ​
Tems11 [23]

Solving for a variable means to rewrite the equation so that the desired variable is alone on one side. So, we have to "move" all the other variables/constants in order to make this happen. We are allowed to add/subtract the same quantity from both sides, or to multiply/divide both sides by any non-zero number.

Let's start with the first example: we are given

11. d=rt

the variable r is not alone on the right hand side because it is multiplied by t. We can reverse this by dividing both sides by t: the equation becomes

\dfrac{d}{t}=\dfrac{rt}{t}=r

So, we have written the equation as r=\frac{d}{t}, which means that r now sits alone on one side of the equation, and thus we have solved the equation for r!

Similarly, we do all the others:

12. f=v+at

Subtract at from both sides to get

f-at=v

13. Ax+By=C

Subtract By from both sides to get

Ax=C-By

Now divide both sides by A to get

x = \dfrac{C-By}{A}

14. A=\frac{1}{2}Pl

Multiply both sides by 2:

2A=Pl

Divide both sides by P:

\dfrac{2A}{P}=l

4 0
3 years ago
Read 2 more answers
Set questions need immediate help​
kompoz [17]
  1. <em><u>6</u></em><em><u>0</u></em><em><u>-</u></em><em><u>3</u></em><em><u>5</u></em><em><u>%</u></em><em><u>=</u></em><em><u>2</u></em><em><u>5</u></em><em><u>%</u></em>
  2. <em><u>5</u></em><em><u>0</u></em><em><u>-</u></em><em><u>3</u></em><em><u>5</u></em><em><u>%</u></em><em><u>=</u></em><em><u>1</u></em><em><u>5</u></em><em><u>%</u></em>
  3. <em><u>2</u></em><em><u>5</u></em><em><u>%</u></em><em><u>=</u></em><em><u>Math</u></em>
  4. <em><u>3</u></em><em><u>5</u></em><em><u>%</u></em><em><u>=</u></em><em><u>(</u></em><em><u>mns)</u></em>
  5. <em><u>1</u></em><em><u>5</u></em><em><u>%</u></em><em><u>=</u></em><em><u>science</u></em>
4 0
2 years ago
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