Explain how you would round the numbers 33 and 89 to estimate their sum

1 answer:

3 0

Since 33 is lower than 35 it would be rounded to 30 and since 89 is higher than 85 it would be rounded to 90. Now you have to do 90+30=120! So you're answer is 120

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What property is ased 4+5=5+4 (2+10+5=2+(10+5) 2(5+10)=10+32

goblinko [34]

Answer:

In mathematics, there are some properties of numbers that are handy to know. For example, the identity property of multiplication says that any number times one is equal to the original number. So, according to that property 5 x 1 = 5.

Step-by-step explanation:

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4 years ago

In the diagram AB is parallel to CD. Calculate the value of A ?

olga55 [171]

The image of the diagram is missing, so i have attached it.

Answer:

a = 30°

Step-by-step explanation:

From the diagram attached, we can see that the 2 angles a and 5a are interior supplementary angles.

The sum of interior supplementary angles is 180°

Thus;