2 years ago

WILL GIVE BRAINLest !!!

1 answer:

4 0

It’s C because when u look at the problem and thing about it in your head for a good few minutes then you can get it pls trust me

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The sum of the first 1 million primes is N. Without knowing N's value, one can determine that the ones'digit of N cannot be

insens350 [35]

All primes are odd, except two. Therefore the sum of the first million primes is one even number plus 999999 odd numbers. Since odd*odd = odd, the first million primes must be even + odd = odd.

An odd number obviously has an odd final digit, so the only option that can be firmly rules out is b (which is even).

3 0

2 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.

arlik [135]

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.

6 0

2 years ago

An isosceles triangle used to rack billiard balls has a base of 11.25 inches. The sides of the triangle meet at a 56° angle. To

lara [203]

Answer:

The measure of each sides of isosceles triangle is 16.67 inches , 16.67 inches , 11.25 inches

Step-by-step explanation:

Given as for a Isosceles triangle :

The base of Triangle = 11.25 inches

The sides of triangle meets at 56°

Let the unknown side measure = x inches

From <u>The property of isosceles triangle</u>