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Effectus [21]
2 years ago
15

The plane 15x − 12y + 20z = 60 is represented by which graph below? Notice the z-axis.

Mathematics
1 answer:
nikdorinn [45]2 years ago
8 0

Answer:

b

Step-by-step explanation:

I did it

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A package delivery company experiences high variability in daily customer demand, which in turn results in high variability in t
Ilya [14]

Solution :

Let :

X = number of overtime hours

S = total weekly salary

S = $12 \times 40 + 18 \times X$

S = 480 + 18X

E(S) = $480 + 18 \times E(X)$

$E(S) = 480 + 18 \times 15$

        = 750

Mean of S = 750

Var (S) = $18^2 \times Var(X)$

Var(S) = $18^2 \times 4^2$

          = 5184

Variance of S = 5184

The standard deviation equals square root of 5184 = 72

4 0
3 years ago
The cost of gasoline is expected to increase by 2.5% next year. If p represents the current cost of gasoline, which experession
____ [38]

y = x \times 0.025
7 0
4 years ago
HELP ASAP timed question. A table is 4 ft high. A model of the table is 6 in high. What is the ratio of the height of the actual
oksano4ka [1.4K]

Answer:

The  ratio of the height of the actual table to the height of the model table is  .

Step-by-step explanation:

As given

A table is 4 ft high. A model of the table is 6 in. high.

As

1 foot = 12 inch

Now convert 4 ft into inches .

4 ft = 4 × 12

    = 48 inches

Height of the actual table = 48 inches

Now the ratio of the height of the actual table to the height of the model

table .

Therefore the  ratio of the height of the actual table to the height of the model table is  .

7 0
3 years ago
I need help with all 4 <br> For # 31 - 34, solve the equation for the unknown variable.
Sati [7]
31 is g = -19
32 is x = -9
34 is w = -11
31:
g-(-7) = -12
g+7 = -12
g = -19
32:
-5x = 45 divide by -5
x = -9
33 looks like it has a print error so I can’t figure that out, I don’t know where the |-2| is supposed to be
34:
(w-1)/4 = -3 multiply by 4
w - 1 = -12
w = -11
3 0
3 years ago
Eddie needs 2 2/3 cups of flour for one batch of cupcakes. How much flour does he need for 2 1/2 batches?
Kruka [31]

1 batch of pancake = 2 2/3 = 8/3 cups

for 2 1/2 = 5/2 pancake = 8/3 * 5/2 = 40/6 cups = 6 2/3 cups 

5 0
3 years ago
Read 2 more answers
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