All categories

3 years ago

Rob found 103 + 1875 = x using mental math. Use at least 3 terms from the world list to describe how Rob could find the sum.

Mathematics

1 answer:

arlik [135]3 years ago

6 0

Answer:

Make, sum, total

Step-by-step explanation:

There are many terms in the word list that could be used to describe how Rob had solved the sum in his head. He had made and arranged numbers vertically in his head then sum it and at last he found the total.

You might be interested in

Explain how a number line can be used to find the difference for 34 - 28

nirvana33 [79]

Used by counting, the number line helps you count steps forward/backwards. You can count from the number you're on, (34) and then go go backwards 28 times.

3 0

3 years ago

Read 2 more answers

Wirte an expression that should have a variable and a constant

e-lub [12.9K]

7x+5
Hope this helps

7 0

3 years ago

Read 2 more answers

If repetition of digits is allowed, how many different ways 5-digit codes are possible with the condition that the first digit s

Nesterboy [21]

Answer:

b) 27,000

Step-by-step explanation:

3 × 10 × 10 × 10 × 9 = 27000

'3' because the first digit can only be 3,6, or 9

'9' because the last digit cannot be zero, leaving only 9 options

7 0

3 years ago

What is the length of a diagonal of a cube with a side length of 8 inches?

sashaice [31]

Answer:

13.9 inches

Step-by-step explanation:

Let the length of diagonal of cube be d inches.

$\therefore \: d = length \: of \: side \sqrt{3} \\ \hspace{16 pt} = 8 \sqrt{3} \\ \hspace{16 pt} =8 \times 1.73205081 \\ \hspace{16 pt} = 13.8564065 \\ \huge \red{ \boxed{\therefore \: d = 13.9 \: inches }}\\$

8 0

3 years ago

Read 2 more answers

Can someone help me

True [87]

Answer:

Why is this long?

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers