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NISA [10]
3 years ago
9

Elimination method a-b=3 2a+3b=b

Mathematics
1 answer:
denis-greek [22]3 years ago
3 0

Answer:

a=3/2   b=-1 1/2

Step-by-step explanation:

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This property says that n + 0 = n (for addition) and that 1*n = n (for multiplication). It is the ___ Property.
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The property which states that multiplying a number by 1 does not change the number's value is the identity property. <span>Adding zero to a number does not change the number's value is the zero property, but some people do also call it the identity property of addition. Hope this helped!</span>
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4 years ago
Subject: Multiplying 3 rational numbers
icang [17]

Answer:

-1/2 or -0.5

Step-by-step explanation:

Hope this helps! Have a nice day! Please consider making me brainliest!

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Find the slope. <br><br>a<br>A. undefined<br><br>B.0
Oduvanchick [21]
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3 0
3 years ago
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If a 5ft post casts an 8ft shadow at the same time that a nearby tree casts a 48ft shadow how tall is the tree
Masteriza [31]
Here we would use the idea that the post and its shadow form a triangle and the tree and its shadow form a triangle and the side lengths of these two triangles are of the same ratio, ie. if the height of the tree is given by h then:
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5 0
3 years ago
Can someone help? Thanks :D
Rufina [12.5K]

Answer:

y\leq -x+4

Step-by-step explanation:

The first thing that we can do is look at the equation of the line and then worry about the inequality afterwards.

This line has a y-intercept of 4 and a slope of -1.

This means that the equation of this line would be y=-x+4

Now that we have the equation of the line, we just need to determine which inequality sign to use.

As the shaded region is BELOW the line, we will use a less than (<) sign.

As the line is fully shaded, I can only assume that it is meant to include the line, which would mean that y\leq -x+4 would be the equation for this inequality.

3 0
3 years ago
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