2 years ago

Ginny's earnings from her lemonade stand decreased by 18% from last week to this week Ginny used the following expression to

Mathematics

1 answer:

jolli1 [7]2 years ago

8 0

100-18= 82

B is your answer

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Y=+/-√bx+c+d Use the inverse of the function y= x2 -18x to find the unknown values.<br>

ozzi

Answer:

a=1

b=81

c=9

Step-by-step explanation:

3 0

2 years ago

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Explain how you would use algebra tiles to solve x - 3 = 7

Andrew [12]

Answer:

Start by laying out 7 tiles, and then adding 3. Whatever that number of tiles is equals x.

x = 10

10 - 3 = 7

7 0

2 years ago

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Pleaseeee helpppp!!!!

kondor19780726 [428]

The right answer is Option A: $x=\frac{rs-t}{2}$

Step-by-step explanation:

Given expression is;

$s=\frac{2x+t}{r}$

We will solve this expression for x, therefore,

Multiplying both sides by r

$r*s=\frac{2x+t}{r}*r\\rs=2x+t$

Subtracting t from both sides

$rs-t=2x+t-t\\rs-t=2x\\2x=rs-t$

Dividing both sides by 2

$\frac{2x}{2}=\frac{rs-t}{2}\\x=\frac{rs-t}{2}$

The right answer is Option A: $x=\frac{rs-t}{2}$

Keywords: subtraction, division

Learn more about subtraction at:

#LearnwithBrainly

7 0

3 years ago

It takes Ivanna 3 minutes to complete 2 problems on her math homework . How long will it take Ivanna to complete 12 problems?

IRINA_888 [86]

18 minutes because 6*2 is 12 and 3*6 is 18. it will take 6 minutes to do 4 problems, 9 minutes to do 6 problems , 12 minutes to do 8 problems, 15 minutes to do 10 problems, and 18 minutes to do 12 problems

7 0

2 years ago

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Someone help please please someone

aev [14]

(1-52/2+5)=(1-26+5)=(-25+5)=-20

continuing:

-20*2*6*6= -40*6*6=-240*6=-1440

result: -1440

6 0

2 years ago

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