4 years ago

Will give BRAINLIEST!!! (the ones written in pink are incorrect)

1 answer:

3 0

The first one is 11/5(dilating it with this will make it the same size as the bigger one)

The second on is Translate(translating it will show that they match up perfectly

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Solve the system of linear equations by elimination. 12x−7y=−2 8x+11y=30

stellarik [79]

Answer:

x=1

y=2

Step-by-step explanation:

6 0

3 years ago

Alisa had some juice in a bottle. Then she drank 3/8 liter of juice. If this was 3/4 of the juice that was originally in the bot

Inessa [10]

3/4 x ? = 3/8

3/8 ÷ 3/4 = ?

3/8 x 4/3 = 12/24

12/24 = 1/2

1/2 of a liter was there to start.

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3 years ago

What is the additive inverse of the complex number 9-412 -9-41 -9 +41 9 - 41 9 + 41

Studentka2010 [4]

Additive inverse means the sum should be 0

so all you gotta do is multiply the complex number by -1

(the question isn't clear so I can't state the option)

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4 years ago

A store buys sweatshirts for $12 each and marks up the price by 25%.

lions [1.4K]

Answer:

15$

Step-by-step explanation:

this is reallly easy you just have to divide 12 by 4 since 25% = 1/4

12/4 = 3

12 + 3 = 15

Hope this helps :)

4 0

4 years ago

What two numbers multiply to get 25 and add to -10

SOVA2 [1]

$x;\ y-the\ numbers\\\\ \left\{\begin{array}{ccc}xy=25\\x+y=-10&\to x=-10-y\end{array}\right\\\\subtitute:\\(-10-y)y=25\\(-10)(y)-y(y)=25\\-10y-y^2=25\\-y^2-10y-25=0\ \ \ \ |change\ the\ signs\\y^2+10y+25=0\\y^2+5y+5y+25=0\\y(y+5)+5(y+5)=0\\(y+5)(y+5)=0\\(y+5)^2=0\iff y+5=0\to \boxed{y=-5}\\\\subtitute\ the\ value\ of\ y\ to\ the\ equation\ x=-10-y\\x=-10-(-5)\\x=-10+5\\\boxed{x=-5}\\\\Answer:\boxed{-5\ and\ -5}$

7 0

4 years ago