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3 years ago

Help help help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics

2 answers:

Zielflug [23.3K]3 years ago

5 0

Answer:

Step-by-step explanation:

alexgriva [62]3 years ago

3 0

The answer to this is A. This is because 48/12 would equal the amount of people. Hope this helps

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What is the slope of the line perpendicular to y=-3x+4?

inessss [21]

The perpendicular line would have a slope of 1/3.

Perpendicular lines have opposite and reciprocal slopes.

To do the opposite, take the original slope (-3) and change the sign (3).

To do the reciprocal, take the slope we changed (3) and flip it as a fraction (1/3).

This gives us a new slope of 1/3.

7 0

4 years ago

Kevin is 333 times as old as Daniel. 444 years ago, Kevin was 555 times as old as Daniel. How old is Kevin now?

My name is Ann [436]

Let D be Daniel's present age, then we can represent Kevin's present age as 3D because Kevin is 3 times as old as Daniel.

We can write an expression for Daniel's age 4 years ago as D-4 and Kevin's age 4 years ago as 3D-4.

We are told that 4 years ago Kevin was 5 times as old as Daniel. We can write this information as:

$3D-4=5\cdot(D-4)$

Now let us solve our equation to find Daniel's present age.

$3D-4=5D-20$

$-4+20=5D-3D$

$16=2D$

$D=\frac{16}{2}=8$

Daniel's present age is 8 years. Now we will multiply 8 by 3 to get Kevin's present age as Kevin is 3 times old as Daniel.

$\text{Kevin's present age}=8\cdot3=24$

Therefore, Kevin is 24 years old now.

8 0

3 years ago

Read 2 more answers

The water department checks the city water supply on a regular basis for contaminants such as xylenes. the water department take

Novosadov [1.4K]

Answer:

Its A

Step-by-step explanation:

6 0

3 years ago

Can someone help with geometry?

grin007 [14]

Answer:

SSS

Step-by-step explanation:

bc all the sides are congruent.

6 0

3 years ago

Wat is gcf of 18a and 20ab

nignag [31]

2a because with 18a and 20ab they both have "a" in common and they are even thus multiples of 2 leaving you with 2a(9,10b)

4 0

3 years ago