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3 years ago

Plz help and I will give brainliest

Mathematics

1 answer:

KatRina [158]3 years ago

4 0

Answer:

2) josh can invite 14 friends. Each will get 3 granola bars and 4 fruit drinks

3) 4(7+3)

Step-by-step explanation:

42 = 3x2x7

56=2x2x2x7

common = 2x7 or 14

42/14 is 3

56/14 is 4

josh can invite 14 friends. Each will get 3 granola bars and 4 fruit drinks

28 = 2x2x7

12=2x2x3

common = 2x2=4

Merry Christmas!

4(7+3)

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Solve the equation 1/2x=5/2x-3

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Read 2 more answers

Write the equation in standard form for the circle with center (0, – 10) and radius 6.

Artemon [7]

Answer:

Equation of circle in standard form with centre (0, – 10) and radius 6. $\mathbf{x^2+(y+10)^2=36}$

Step-by-step explanation:

We need to write equation of circle in standard form with centre (0, – 10) and radius 6.

The equation of circle is: $(x-h)^2+(y-k)^2=r^2$

where (h,k) is centre of circle and r is radius

We are given centre (0,-10) so, h=0, k=-10 and radius r = 6

Putting values and finding equation:

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3 years ago

Veda solves the following system of linear equations by eliminations. What is the vale of x in the solution of the system of equ

kupik [55]

Answer:

x = -1, y = 1

Step-by-step explanation:

6 + 4x - 2y = 0 (1)

-3 - 7y = 10x (2)

From (1)

6 + 4x - 2y = 0 (1)

4x - 2y = -6 (3)

From (2)

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4x - 2y = -6 (3)

10x + 7y = -3 (4)

Using elimination method

Multiply (3) by 10 and (4) by 4 to eliminate x

40x - 20y = -60

40x + 28y = -12

28y - (-20y) = -12 - (-60)

28y + 20y = -12 + 60

48y = 48

y = 48/48

y = 1

Substitute y = 1 into (3)

4x - 2y = -6 (3)

4x - 2(1) = -6

4x - 2 = -6

4x = -6 + 2

4x = -4

x = -4/4

x = -1

x = -1, y = 1

The value of x in the equation is -1

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