MATHEMATICS MIDDLE SCHOOL

83 tens × 2 tens =166

Answers

Answer 1
Answer: 1 cube= 1 unit
1 Rod (Long)= 10 units
10 Rods (Longs)= 1 flat (1 flat=100 units)
10 flat =1 cube(1 cube=1000 units)
83×10= 830
2×10=20
830×20= 16,600
Just wanted to add more to help you understand why 83 is multiplied by ten and 2 is multiplied by 10. Its because when we use Base ten blocks, tens represent 1 Rod (Long)= 10 units. Hope it helps more.
Answer 2
Answer: That is actually not true
83 tens = 830
2 tens = 20
830x20=16600
So the answer is 16600

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10y = 360degrees????????????????

Answers

y equals 36 because 10 times 36 is 360

How to write a improper fractions as a mix a mixed as number

Answers

To write an improper fraction as a mixed number, divide the denominator into the numerator. For example, 9/5 to a mixed number would be 1 and 4/5.

Image provided.
To make an improper fraction as a mixed number,you divide the numerator by the denominator and your remainder will be shown as a fraction but it would be the numerator so the denominator  would be the number the same 

Can't be brothers. help please

Answers

I'll tell you the answer but please know mental math strategies.it is very helpful in the future. message me if you need help with mental math




answers from top to bottom
16,7,6,24,2,12,12,9

What is the simplest form of 12/60

Answers

1/5 
because if you divide it by 12, 1/5 will be your answer
the answer is 1/5 because you have to divide by 12

If x = 3 and y = -1, then 3x2 + 2xy - 5 = ?
A: 18
B: 24
C: 12
D: 16

Answers

x = 3 , \ y = -1 \n \n 3x^2 + 2xy - 5 = 3\cdot 3^2 + 2\cdot 3\cdot (-1)-5=\n \n=3\cdot 9 -6-5=27-11=16 \n \n Answer : \ D: \ \ 16
3\cdot3^2+2\cdot3\cdot(-1)-5=27-6-5=16

Rewrite the fraction using the least common denominator

4/9 7/15

Answers

Answer:

20/45 & 21/45

Step-by-step explanation:

Find a common denominator. What you do to the denominator, you do to the numerator. In this case, the smallest denominator is 45.

(4/9)(5/5) = 20/45

(7/15)(3/3) = 21/45

The two fractions you have is:

20/45 for 4/9

21/45 for 7/15

~

Answer:

20/45 for 4/9  and 21/45 for 7/15

Step-by-step explanation:

The least common denominator of 4/9 is 20/45.

The least common denominator of 7/15 is 21/45.
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