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dangina [55]
4 years ago
14

Write a two-step equation involving division and addition that has a solution of x=25

Mathematics
1 answer:
zavuch27 [327]4 years ago
4 0
If this is what you mean..?

In order to do this you would work backward from the answer.
You have x = 25 and ant to include and addition. As we are working backwards, we use the opposite operation to addition - subtraction. We'll make it an easy number so we will subtract 15 to get to 10.
So far it looks like 10 = 15 + x
Now, to include  a division, we want to do the opposite again, multiplication. Pick any number to multiply 10 by - for this example we'll choose 7.
7 x 10 = 70
Now we can write out the equation -
70/7 + 15 = x
No brackets are required as Division comes before addition in BIDMAS.


An alternate choice would be to have x the other side of the '='

To do this, multiply x by a number of choice (for example 3) to make the divison section of the equation. This makes 75. This can be written as a fraction. 75/x = 3
Next, for the addition, whatever happens on one side, the exact same happens on the other. Pick any number to add on (e.g. 5) and re-write the equation.
75/x + 5 = 8

Sorry if this doesn't make perfect sense
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Step-by-step explanation:

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mafiozo [28]

Step-by-step explanation:

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8 0
3 years ago
Help please it’s due hella soon also please leave a small explanation
murzikaleks [220]
1) y=3x-4
When x increases by 1, y increases by 3 so the slope is rise/run → 3
y-int is -4 bc y-value is -4 when x=0

2)y=-3x+4
When x increase by 2, y decreases by 6 so the slope is rise/run → -3
y-int is 4 bc y-value is 4 when x=0

3)y=-1/3x+4
When x increase by 3, y decreases by 1 so the slope is rise/run → -1/3
y-int is 4 bc you now have the equation y=-1/3x+b and u just have to plug in random point from the graph, so ex, 6 into x and 2 into y. You can get 4 as b in the equation.

4)y=1/3x-4
When x increases by 6, y decreases by 2 so the slope is rise/run → 1/3
y-int is -4 bc u do the same thing as 3)
For ex, plug in 6 for x and -2 for y and you can get -4 as the b in the equation.
6 0
3 years ago
A closed container has 6.08 ⋅ 1023 atoms of a gas. Each atom of the gas weighs 1.67 ⋅ 10–24 grams. Which of the following shows
Firdavs [7]
To calculate for the total mass of the atoms of gas in the container, we simply multiply the number of atoms and the mass of each.
                total mass = (6.08 x10²³ atoms) x (1.67 x 10⁻²⁴ grams/ atom)
                   total mass = 1.015 grams

Therefore, the answer is the first choice. 
3 0
3 years ago
On a coordinate plane, quadrilateral J K L M with diagonals is shown. Point J is at (4, 5), point K is at (5, 1), point L is at
Nata [24]

Answer:

LM = MJ = 3

JK = KL = \sqrt{17

Step-by-step explanation:

Given

J  = (4,5)

K = (5,1)

L = (1,2)

M = (1,5)

Required

Prove it's a kite

Start by calculating the length of the sides of the kite using:

d = \sqrt{(x_1 - x_2)^2 + (y_1 -y_2)^2}

JK = \sqrt{(4 - 5)^2 + (5 -1)^2} = \sqrt{17}

KL = \sqrt{(5 - 1)^2 + (1 -2)^2} = \sqrt{17}

LM = \sqrt{(1 - 1)^2 + (2 -5)^2} = \sqrt{9} =3

MJ = \sqrt{(1 - 4)^2 + (5 -5)^2} =\sqrt{9} = 3

Hence:

LM = MJ = 3

JK = KL = \sqrt{17

proves that it is a kite

3 0
3 years ago
Read 2 more answers
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