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2 years ago

Sari has a bag containing 6 half dollars. What is the mass of half dollars in Sari's bag when half dollars weighs 11.34 grams?

1 answer:

7 0

Mass of one half dollars = 11.34g
therefore mass of six half dollars = 6*11.34g
=68.04g
Ans : mass of 6 half dollars = 68.04g

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Use the method of completing the square to solve x2 - 6x + 1 = 0. Simplify your solutions.

exis [7]

Answer:

x = 3 ± 2 $\sqrt{2}$

Step-by-step explanation:

given

x² - 6x + 1 = 0 ( subtract 1 from both sides )

x² - 6x = - 1

To complete the square

add (half the coefficient of the x- term)² to both sides

x² - 6x + (- 3)² = - 1 + (- 3)²

x² - 6x + 9 = - 1 + 9

(x - 3)² = 8 ( take the square root of both sides )

x - 3 = ± $\sqrt{8}$ = ± 2 $\sqrt{2}$ ( add 3 to both sides )

x = 3 ± 2 $\sqrt{2}$

8 0

3 years ago

Which statements are true? Select three options. You can use for reference ;)

Dovator [93]

The answers are A,C,&E

3 0

1 year ago

Ella and kate play basketball last year ella scored 16 points per game kates total points for the season were 22 less than Ellis

KatRina [158]

Alright, lets get started.

Ella and kate played basketball last year.

In each game, Ella scored 16 points.

We have not given the number of games played.

So, lets suppose there are n games played last year.

So, total points of Ella will be = number of games * each game score

total points of Ella will be = n * 16 = 16 n

Kates total points for the season are 22 less than Elli's points

Means , Kates total points = 16 n - 22

This expression is similar with expression given 16 z - 22 (which is give in question)

It means z = n , means variable z means total games played in last year. : Answer

Hope it will help :)

4 0

3 years ago

{[3 x (3+6) - 5] + 20 x 2

Nataliya [291]

Answer:

a. 62

Step-by-step explanation:

use the Bodmas method

=3×9-5+20×2

=62

7 0

3 years ago

The midpoint of AB ‾ AB is M ( 3 , − 2 ) M(3,−2). If the coordinates of A A are ( 1 , − 3 ) (1,−3), what are the coordinates of

mina [271]

We can find out AM. We have to do 0M - 0A which will give (2, -5)
Now w can take 2* AM

7 0

3 years ago