3 years ago

If x equals 12 and y equals 9 find the value of 2 x - 2y

Mathematics

1 answer:

Genrish500 [490]3 years ago

4 0

2 ( 12) - 2 (9)

24 - 18

6 answer

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Which line contains the pint (6-4) and has a slope of -5/6

natima [27]

Answer:

y = - 5/6 x + 1

Step-by-step explanation:

y = mx + b m: slope b: y intercept

point (6 , -4) x = 6 y = -4

b = y - mx = -4 - ((-5/6) x 6) = - 4 + 5 = 1

equation: y = - 5/6 x + 1

7 0

2 years ago

A liquid is 45°C. The temperature needs to be reduced by 3/8 of the current value. What does the new temperature need to be?

prohojiy [21]

Answer:

28.125 degrees

Step-by-step explanation:

3/8 of 45 is 16.875

45-16.875=28.125

7 0

2 years ago

I need help with both questions on the screen. if you can only answer one thats fine too!

meriva

Answer:

11. $b = 30$

Step-by-step explanation:

$a^{2} + b^{2} = c^{2}$

Substitute

$16^{2} + b^{2} = 34^{2}$

$256 + b^2 = 1156$

$b^2 = 1156-256\\b^2 = 900$

$b = \sqrt{900}$

$b = 30$

Your welcome and don't forget to say <u>Thanks</u>

7 0

3 years ago

diana has z gerbils. jackie has 4 times as many gerbils as diana. if w stands for the number of gerbils jackie has, express w in

disa [49]

D=z, j=4d,

If w=j, then w=4d,

If w=4d and d=z then:

w=4z

8 0

3 years ago

Please answer this as soon as possible.

Vlad [161]

I’m pretty sure it’s b

7 0

2 years ago