3 years ago

Please help me AND ALSO PLEASE EXPLAIN HOW YOU WORKED IT OUT thank you.

Mathematics

1 answer:

lesya692 [45]3 years ago

4 0

128, -512, 2048
Multiply by -4 to get each new term

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After a sleepover, 3/4 of a large pepperoni remained. The next day, he ate 1/8 of what was left over. What fraction of a large p

jekas [21]

Answer:

9/100

Step-by-step explanation:

You find 1/8 of 3/4 which is 9/100

4 0

3 years ago

Is 15b+4=25.6 equivalent to 0.6+15b+4=25.6

pychu [463]

No because
15b + 4 = 25.6
15b = 21.6
b = 1.44

0.6+15b+4 = 25.6
4.6 + 15b = 25.6
15b = 21
b = 1.4

The answers are not the same therefore they are not equivalent.

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3 years ago

Use the substitution method to solve the following system of equations: 3x + 5y = 3 x + 2y = 0 (1 point) (1, 1) (6, −3) (6, 1) (

PtichkaEL [24]

Step-by-step explanation:

Given.

$3x+5y=3$

$x+2y=0$

Take the second equation and subtract 2y to both sides.

$(x+2y)-2y=0-2y$

$x=-2y$

Substitute x into the first equation and simplify.

$3x+5y=3$

$3(-2y)+5y=3$

$-6y+5y=3$

$-y=3$

Invert.

$y=-3$

Substitute Y into your second equation.

$x+2y=0$

$x+2(-3)=0$

$x-6=0$

Add -6 to both sides.

$(x-6)+6=0+6$

$x=6$

Answer:

(6, -3)

6 0

3 years ago

Which of the following expressions can be used to calculate the area of a square with side lengths 5 inches?

NemiM [27]

Step-by-step explanation:

5x5

because 5^2 equals the area

4 0

3 years ago

Idk sooo please help

borishaifa [10]

Answer:

20 points

Step-by-step explanation:

Points:

21, 13, 14 and x for the last game

Average:

(21+13+14+x) / 4 = 17
48 + x = 4*17
48 + x = 68
x = 68 - 48
x = 20

They must score 20 points

6 0

3 years ago