3 years ago

Answer this for me please

Mathematics

1 answer:

babymother [125]3 years ago

5 0

The answer is A is cross the x axis at (2.2) :)

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I have no idea what this is since I was absent and my teacher is didn’t it explain it to me, someone?

MatroZZZ [7]

Answer:

Step-by-step explanation:

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2 years ago

5x-2y=11 and 3x+4y=4 Find the value of x and y in equation.

nadya68 [22]

5x-3y=11---(1)
3x+4y=4---(2)

(1)×3 and (2)×5

15x-9y=33-(3)
15x+20y=20-(4)

Subtract both

$\\ \sf\longmapsto -29y=13$

$\\ \sf\longmapsto y=\dfrac{-13}{29}$

Put in eq(1)

$\\ \sf\longmapsto 5x+\dfrac{-117}{29}=11$

$\\ \sf\longmapsto 5x=11+\dfrac{117}{29}=\dfrac{261+117}{29}=\dfrac{278}{29}$

$\\ \sf\longmapsto x=\dfrac{278}{145}$

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2 years ago

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Russell randomly surveys seventh graders in his schools and finds 6 of 30 attend summer camp. if there are 200 seventh graders i

suter [353]

The answer is 40 EXPLANATION: 6% of 30 is 20%. 20% of 200 is 40

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2 years ago

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The perimeter of a regulation singles tennis court is 210 feet and the length is 57 feet less than five times the width.

Marianna [84]

Answer:

Length = 24 and Width = 81

Step-by-step explanation:

Let Width be W

then Length = W-57

Perimeter of rectangle = 2(Length + Width)

=2 (W-57+W)= 210

4W- 114= 210

4W= 324

W= 81

Then Length = 81-57 = 24

4 0

3 years ago

Solve his problem for X and Y

Verizon [17]

Answer:

y = 5, 3; x = 171, 155

Step-by-step explanation:

8y - 15 = y^2

y^2-8y+15=0

y^2-3y-5y+15=0

y(y-3)-5(y-3)=0

(y-5)(y-3)=0

y can be 5 or 3.

x = 180 - (8y - 15)

x = 180 - (8(3)-15)

x = 180 - 9

x = 171

x = 180 - (8(5) - 15)

x = 180 - 25

x = 155

7 0

2 years ago