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3 years ago

Solve equation 66= -11y

Mathematics

2 answers:

DaniilM [7]3 years ago

6 0

Answer:

y=-6

Step-by-step explanation:

Divide -11 by 66 to isolate y to get 6

iragen [17]3 years ago

3 0

Answer:

the answer is y=-6

Step-by-step explanation:

you are welcome

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Select all equations that can result from adding these two equations or subtracting one from the other. x+y=12 3x-5y=4 PLZ HELP

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2 years ago

The art teacher has 7 bottles of glue that are each 2/5 full. He combines them so he will have fewer bottles. How many bottles o

Katen [24]

Teacher will have 3 bottles of glue after he combines

Solution:

Given that,

The art teacher has 7 bottles of glue that are each 2/5 full

He combines them so he will have fewer bottles

To find: bottles of glue does he have after he combines them

From given,

Total bottles = 7

Each is 2/5 full

Therefore, multiply 7 with 2/5 to get total bottles of glues he will have after combining

$Number\ of\ bottles\ of\ glues = 7 \times \frac{2}{5}\\\\Number\ of\ bottles\ of\ glues = \frac{14}{5} = 2.8 \approx 3$

Thus teacher will have 3 bottles of glue after he combines

7 0

3 years ago

Help plz will give brainliest if you explain how u got the answer! PLZ!

sasho [114]

Answer:

2x-y=4

Step-by-step explanation:

y=mx+b

b is the y-intercept which is -4

y=mx-4

find m(slope)

(2,0) and (0,-4)

(-4-0)/(0-2)

-4/-2=2 m=2

y=2x-4

add 4 to both sides

y+4=2x subtract y

4=2x-y

It says write in standard form which looks like this: 3x + 5y = 4

4 0

3 years ago

Each morning, Hungry Harry eats some eggs. On any given morning, the number of eggs he eats is equally likely to be 1, 2, 3, 4,

mamaluj [8]

Answer:

Mean = 35

Variance = 291.7

Step-by-step explanation:

Data provided in the question:

X : 1, 2, 3, 4, 5, 6

All the data are independent

Thus,

The mean for this case will be given as:

Mean, E[X] = $\frac{\textup{Sum of all the observations}}{\textup{Total number of observations}}$

E[X] = $\frac{\textup{1+2+3+4+5+6}}{\textup{6}}$

E[X] = 3.5

For 10 days, Mean = 3.5 × 10 = 35

And,

variance = E[X²] - ( E[X] )²

Now, for this case of independent value,

E[X²] = $\frac{1^2+2^2+3^2+4^2+5^2+6^2}{\textup{6}}$

E[X²] = $\frac{1+4+9+16+25+36}{\textup{6}}$

E[X²] = $\frac{91}{\textup{6}}$

E[X²] = 15.167

Therefore,

variance = E[X²] - ( E[X] )²

variance = 15.167 - 3.5²

Variance = 2.917

For 10 days = Variance × Days²

= 2.917 × 10²

= 291.7

3 0

3 years ago

A. Seven fewer than t

Katyanochek1 [597]

7 fewer than t is:

t - 7

I hope this helps

7 0

3 years ago