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Nat2105 [25]
3 years ago
15

Use cubes. Draw to show how you make ten. find the sum.

Mathematics
1 answer:
Mila [183]3 years ago
7 0
If you're asking for the model for the second problem (I didn't see any unsolved), here it is!

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What is the result of the mathematical expression below: 2*(4-3)<br><br> O 8<br> O 2<br> O 0<br> O 5
insens350 [35]
I’m pretty sure the answer is 2
5 0
3 years ago
Read 2 more answers
4:3 = 60:45 true or false
hjlf
True multiply both sides by 15
3 0
4 years ago
I need help,I need to use substitution but I don't know how
lions [1.4K]

If y=x+6 and y=-2x-3, then you can replace y in either equation with the equivalent expression given by the other equation. In this case, you have

x+6=-2x-3

and you can solve for x.

x+2x+6-6=-2x+2x-3+6\implies3x=3\implies\dfrac{3x}3=\dfrac33\impliesx=1

Then y=1+6=7.

For the second system, you can write

5x-y=-5\implies 5x-5x-y=-5-5x\implies-y=-5-5x

\implies-(-y)=-(-5-5x)\implies y=5+5x

Then substitute this into the second equation and you get

3x-6(5+5x)=24\implies3x-30-30x=24\implies-27x-30+30=24+30

\implies-27x=54\implies x=2

so that

y=5+5(2)=15

8 0
4 years ago
William bought a new sweater at the store when they were having a 45%, off sale. if the regular price of the sweater was $19, ho
Lyrx [107]
Firstly, to calculate a price you need to change the percentage into a decimal. You do this by dividing it by 100.

45 / 100 = 0.45,
The discount price will be 55% of the original price,
55 / 100 = 0.55,
19 * 0.55 = 10.45,

So the discound price will be $10.45

Hope this helps!

5 0
4 years ago
When expressed as a decimal number, which of the following is a repeating decimal?
kaheart [24]

Answer:

5/6 would be repeating.

Step-by-step explanation:

In decimal form it goes 0.83ext(extended) as in repetitve.

Or if you want to know further it goes like this.

0.833333333333333333333

4 0
3 years ago
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