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svp [43]
3 years ago
7

What is the simplified form of the following expression? 8ab/-4b

Mathematics
1 answer:
kondaur [170]3 years ago
3 0

-2a

Step-by-step explanation:

steps:1. first write the question again : 8ab/-4b

2.first 8 divide by -4=-2

3.write ' a' with -2because u don't have another 'a' down belowso that u can pair it up and cancel

so: -2a.

4. cancel 'b' on top and 'b' at the bottom.

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Without actually carrying out the steps of multiplication, determine whether the product of 15.1 and 0.9 will be larger or small
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Answer: Smaller

Step-by-step explanation: The product of 15.1 and 0.9 will be smaller than 15.1. This is because 0.9 is smaller than 1 and since 15.1 * 1 is 15.1, we know that anything smaller than 1 will result in the product of it and 15.1 being smaller.

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What sum is represented by the following number line?
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Answer:

B.) 2 3/4 + (-4 1/4) = -1 2/4

Step-by-step explanation:

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Five cupcakes and two cookies cost $19.75. Two cupcakes and four cookies cost $ 17.50.
alina1380 [7]

Answer:

Step-by-step explanation:

Let x and y represent the cost of a cupcake and cookie respectively.

Given that;

Five cupcakes and two cookies cost  $19.75.

5x+2y=19.75 ---------- 1

Two cupcakes  and four cookies cost $17.50.

2x+4y=17.50 --------------2

Let's solve the simultaneous equation by elimination;

Multiply equation 1 by 2;

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10x-2x+4y-4y=39.50-8x=22

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divide both sides by 8

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Step-by-step explanation:

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