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mars1129 [50]
3 years ago
12

Can someone please help me and explain it?

Mathematics
1 answer:
Georgia [21]3 years ago
4 0

Step-by-step explanation:

3x<-5+10

3x<+5

x<5/3

hope it helps!

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vovangra [49]
I’m getting 61/24 I’m sorry if it’s wrong.

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3 years ago
A puppy store has a puppy that weighs 72 ounces how many pounds does it weigh 1 pound = 16 ounces
tresset_1 [31]

4.5 pounds

72 ounces


HOW-TO:

1. we know that 1 pound is 16 ounces.

So let's find how many of 16 are needed for 72.

72 ÷ 16 = 4.5

Use that answer and multiply it by the number of pounds per 16 ounces.

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4 0
3 years ago
Solve the systems by the addition method x - 2y = - 4 2x + y = 7
vfiekz [6]
<h2>x - 2y = -4</h2><h2>2x + y = 7</h2><h2 />

To solve this system of equations by addition, our first goal is to cancel

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However, if we add these two equations together right away, nothing

will cancel so we need to set things up so a variable will cancel.

Notice that we have an 2x in our second equation.

If we had a -2x in our first equation, then the x's would cancel out.

In order to create a -2x in the first equation, we simply

multiply both sides of the first equation by -2.

So we have (-2)(x - 2y) = (-4)(-2) which can be rewritten as -2x + 4y = 8.

Now rewrite both equations, as shown below.

<h2>-2x + 4y = 8</h2><h2>2x + y = 7</h2><h2 />

Now when we add the equations together, the x terms

will cancel out and we're left with 5y = 15.

Dividing both sides by 5, <em>y = 3</em>.

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Now subtract 4 from both sides to get 2x = 4.

Dividing both sides by 2, we fid that <em>x = 2</em>.

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5 0
3 years ago
A letter used to represent a number in equations or expressions
natita [175]
The answer is “x”. “x” represents the missing number in the problem.

Example:
16+x=20
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6 0
2 years ago
A box contains 5 red balls, 7 green balls, and 6 yellow balls. In how many ways can 6 balls be chosen if there should be 2 balls
Nostrana [21]

Answer:

12 balls

Step-by-step explanation:

take 3 red balls ,5 green balls and 4 yellow balls that 12 balls = 6 balls in bag

5 0
3 years ago
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