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2 years ago

PLS HELP ASAP ILL GIVE BRAINLKEST PLS THANKS PLS ASAP

Mathematics

2 answers:

ollegr [7]2 years ago

4 0

Answer:

The bottom one

Step-by-step explanation:

the lowest dot is on -3 so that's the y-intercept

the other is at 2 x and -1 y

iragen [17]2 years ago

3 0

Answer:

the answer is the 4th one

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Samuel orders four DVDs from an online music store. Each DVD costs $10.00. He has a 20% discount code, and sale tax is 6.75%. Wh

Mars2501 [29]

Answer:

$34.40

Step-by-step explanation:

this equation has 3 steps

1. to find out how much the dvds cost without any discount or tax: $40

2. the price of the dvds with the 20% discount, which can be found with cross-multiplication making the price after discount $32

3. the final price of the dvds with sales tax can be found also with cross-multiplication and the final answer would be 34.4

7 0

2 years ago

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2. Eric had $197 in his savings account before he was paid his weekly salary. His current

Nezavi [6.7K]

Answer:

197+n = 429

Step-by-step explanation:

He starts with 197, he adds his salary, he ends with 429

197+n = 429

5 0

2 years ago

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Write two subtraction equations to show how to find 15 - 7

pantera1 [17]

15-7=8
i hope it helps

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3 years ago

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The sector COB is cut from the circle with center O. The ratio of the area of the sector removed from the whole circle to the ar

mafiozo [28]

Answer:

$Ratio = \frac{R^2 - r^2 }{ r^2}$

Step-by-step explanation:

Given

See attachment for circles

Required

Ratio of the outer sector to inner sector

The area of a sector is:

$Area = \frac{\theta}{360}\pi r^2$

For the inner circle

$r \to radius$

The sector of the inner circle has the following area

$A_1 = \frac{\theta}{360}\pi r^2$

For the whole circle

$R \to Radius$

The sector of the outer sector has the following area

$A_2 = \frac{\theta}{360}\pi (R^2 - r^2)$

So, the ratio of the outer sector to the inner sector is:

$Ratio = A_2 : A_1$

$Ratio = \frac{\theta}{360}\pi (R^2 - r^2) : \frac{\theta}{360}\pi r^2$

Cancel out common factor

$Ratio = R^2 - r^2 : r^2$

Express as fraction

$Ratio = \frac{R^2 - r^2 }{ r^2}$

6 0

2 years ago

Please help. I’m confused

Simora [160]

Answer:

when x=6, y=30

when x=7.5, y=37.5

Step-by-step explanation:

Just plug in the value of x into the equation y=5x

so when x=6, the equation will be y=5(6). In this case y=30

when x =7.5, the equation will be y=5(7.5). So y=37.5

6 0

3 years ago