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andrey2020 [161]

2 years ago

15

Fill in the ladder diagram, I added the photo of the diagram.

1 answer:

Mashutka [201]2 years ago

7 0

Answer:

Step-by-step explanation:

2 I<u> 500 </u> 500 ÷ 2 = 250

2 <u>I 250 </u> 250÷2 = 125

5 <u>I 125</u> 125 ÷ 5 = 25

5 <u>I 25</u>

5 <u>I 5 </u>

1

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What plus what equals 160

Paladinen [302]

80 plus 80 is equal to 160. It's like 8 plus 8 equals 16, just add a zero to the end to each numbers it's easier to think that way

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3 years ago

What is the vertex form of y=x^2+14x+50 and how do u get it?

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(x`-b/2a)-D/4a
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3 years ago

.<br>Simplify 1826.00 - 338.12.

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Step-by-step explanation:

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2 years ago

jane leaves her bicycle at 8:00 AM, traveling at an average speed of 15mph. her brother frank leaves home in his car at 10:30 AM

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Read 2 more answers

What is the solution to 3x -2y =1 and 4y = 7 + 3x

Delvig [45]

Given.

$3x-2y=1$ (1)

$4y=7+3x$ (2)

Re-arrange equation (2)

$(4y=7+3x)-4y$

$0=-4y+3x+7$

$(0=-4y+3x+7)-7$

$-7=-4y+3x$

Multiply equation (2) by -1

$-1(3x-4y=-7)$

$-3x+4y=7$ (3)

Combine like terms and solve.

$3x-3x-2y+4y=1+7$

$2y=8$

Divide by (2y) and solve for (y).

$\frac{2y}{2}=\frac{8}{2}$

$y=4$

Substitute (y) for equation (1).

$3x-2y=1$

$3x-2(4)=1$

$3x-8=1$

Add (8) to both sides.

$(3x-8)+8=(1)+8$

$3x=9$

Divide by (3).

$\frac{3x}{3}=\frac{9}{3}$

$x=3$

Check your work.

$3x-2y=1$

$3(3)-2(4)=1$

$9-8=1$

$1=1$

$4y=7+3x$

$4(4)=7+3(3)$

$16=7+9$

$16=16$

Your answers is $x=3$ and $y=4$

8 0

3 years ago