2 years ago

Why are there no properties of subtraction or division?

Mathematics

1 answer:

tia_tia [17]2 years ago

4 0

There are no properties because you can do anything with subtraction and division

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What is the solution of the system of equations <br> y =2x - 3

kherson [118]

Answer:

-37/5= y

x=11/5

Step-by-step explanation:

4x-3y=31

-3y=-4x+31 regroup it to match the other

-2 y=(2x-3)(-2) multiply by -2 to get -4x

-3y=-4x+31

-2y=-4x+6 adding

-5y=37 divide

-37/5= y

4x-3(-37/5)=31

x=11/5

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2 years ago

SOLVE FOR X ANSWER IN FRACTION FORM I DONT NEED TO SHOW WORK

ExtremeBDS [4]

Answer:

$x=\frac{27}{2}\:\text{or}\:13.5$

Step-by-step explanation:

Both triangles are shown are similar. Therefore, the ratio of their sides will be maintained. We can then set up the following proportion:

$\frac{2}{11}=\frac{3}{3+x},\\2(3+x)=33,\\(3+x)=16.5,\\x=\boxed{13.5\text{ or }\frac{27}{2}}$

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2 years ago

Can anyone please help me!

Alexxx [7]

Answer:

Step-by-step explanation:

(4)(−2)+10

=−8+10

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2 years ago

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A snail traveled 1/4 kilo in 5/6 hours. What was its average speed

AysviL [449]

Answer:

3/10 kilos per hr

Step-by-step explanation:

1/4÷5/6=1/4×6/5

=6/20=3/10

5 0

2 years ago

In a certain sequence of numbers, each term after the first is found by doubling and then adding $3$ to the previous term. If th

eimsori [14]

Given $a_7=125$ you can find a_6:

$a_6= \frac{125-3}{2} =61$
$a_5= \frac{61-3}{2} =29 \\ a_4= \frac{29-3}{2}=13 \\ a_3= \frac{13-3}{2} =5 \\ a_2= \frac{5-3}{2} =1 \\ a_1= \frac{1-3}{2}=-1$
Answer: -1

6 0

3 years ago