2 years ago

Select the solutions to the equation 2x² - 13x + 15= 0 Select all that apply

Mathematics

1 answer:

zalisa [80]2 years ago

3 0

B and C…………………………………..

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Pls solve q no. 7. I need it urgently. Tomorrow is my exam.

FinnZ [79.3K]

Answer:

The area of the square lawn is $784\ m^2$

Step-by-step explanation:

Part 7)

Let

x ----> the length side of the square lawn in meters

we know that

The area of the path is equal to

$A=(x+2+2)^2-x^2$

$A=(x+4)^2-x^2$ ----> equation A

$A=240\ m^2$ ----> equation B

$240=(x+4)^2-x^2$

Solve for x

$240=(x^2+8x+16)-x^2$

$240=8x+16$

$8x=240-16$

$8x=224$

$x=28\ m$

The area of the square lawn is

$A=x^2$

substitute the value of x

$A=28^2=784\ m^2$

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2 years ago

Sam can brew 5 gallons of root beer in an hour or he can make 4 pizzas in an hour. Ben can brew 7 gallons of root beer in an hou

babunello [35]

Answer:

Ben

Step-by-step explanation:

Ben has an absolute advantage in making of pizza because he can make five pizzas in one hour which is a greater quantity compared to Sam that makes four pizzas in one hour.

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3 years ago

Jamal claims that the graph of f(x)+2 is equivalent to the graph of f(x+k). For the case where Jamal claim is correct, what must

rusak2 [61]

Answer:

K=2

Hope this helps

6 0

3 years ago

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There are 16 students playing kickball. Two students leave to go play hopscotch. How do you write the fraction of children left

olga55 [171]

Answer:

7/8

Step-by-step explanation:

When 16 students are playing kickball, there are 16/16 students on the field. After 2 leave, this becomes 16-2/16, therefore 14/16 which is divisible by 2. and therefore 7/8, which the numerator and denominator have no common divisors.

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3 years ago

What is the square root of 25 a.4 b.21 c.10 d.1

photoshop1234 [79]

the square root of 25 is 5

5x5=25

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3 years ago

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