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3 years ago

7

Simplify : 3/4 + 1/3 (0.06)

1 answer:

ollegr [7]3 years ago

3 0

The answer will be .77 because you have to multiply then add

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6x + 4y=10 12x + y= -29

Olin [163]

Answer: x=-3 y=7.

Step-by-step explanation:

$\displaystyle\\\left \{ {{6x+4y=10\ \ \ \ \ (1)} \atop {12x+y=-29\ \ \ \ (2)}} \right.\\ We\ multiply\ both\ sides\ of\ equation\ (1)\ by\ -2:\\\left \{ {{(-2)*6x+(-2)*4y=(-2)*10} \atop {12x+y=-29}} \right. \\\\\left \{ {{-12x-8y=-20} \atop {12x+y=-29}} \right. \\$ $We\ summarize\ equations\ (1)\ and\ (2):\\-7y=-49\\-7*y=-7*7\\Divide\ both\ sides\ of\ the\ equation\ by\ -7:\\y=7.\\We\ substitute\ the\ value\ of\ y\ into \ equation\ (1):\\6x+4*7=10\\6x+28=10\\6x+28-28=10-28\\6x=-18\\6*x=6*(-3)\\Divide\ both\ sides\ of\ the\ equation\ by\ 6:\\x=-3.$

3 0

2 years ago

I need help with these anyone know

Brilliant_brown [7]

7. 20
8. 680
9. 700
10. 4,000
11. 106,000
12. 5,800

7 0

4 years ago

Is this graph proportional or non-proportional?

grigory [225]

Answer:

Yes

Step-by-step explanation:

The slope intercept form is y=1.38x

8 0

3 years ago

Simplify the expression:<br> 8+9–1+2a

eimsori [14]

Answer:

Answer: =2a + 16

Step-by-step explanation:

8+9−1+2a =8+9+−1+2a

now its time to to do CLT

=8+9+−1+2a

=(2a)+(8+9+−1)

=2a+16

4 0

3 years ago

Read 2 more answers

What is the distance between the center of the circle with equation $x^2+y^2=6x-8y+24$ and the point $(-3,-12)$?

kvasek [131]

Answer:

The answer to your question is: 10 units

Step-by-step explanation:

P (-3, -12)

1.- Find the center of the circle

x² + y² = 6x - 8y + 24

x² - 6x + ( )² + y² + 8y + ( )² = 24

x² - 6x + (3)² + y² + 8y + (4)² = 24 + 9 + 16

(x - 3)² + (y + 4)² = 49

Center (3, -4)

2.- Find the distance between the center and the point given

Formula

d = $\sqrt{(x2- x1)^{2} + (y2 - y1)^{2} }$

Substitution

d = $\sqrt{(-3 - 3)^{2} + (-12 +4)^{2} }$

d = $\sqrt{(-6)^{2} + (-8)^{2} }$

d = $\sqrt{36 + 64} }$

d = $\sqrt{100}$

d = 10 units

3 0

4 years ago