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Anna35 [415]
2 years ago
9

Solve the system by substitution. y = -5x - 40 y = 5x

Mathematics
1 answer:
Gnesinka [82]2 years ago
8 0

Step-by-step explanation:

I hope this helps...........

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Please Help!!! Evaluate the following <br><br> 2/((3-(3-1))*3-1)
antiseptic1488 [7]
2/ 3 - (3 - 1) * 3 - 1 = -4
Simplify
= 2/-4
which is
= -2/4 
Then simplify again
= -1/2
6 0
3 years ago
[WILL MARK BRAINLIEST]
notka56 [123]

Answer:

The answer is 4 cm

Step-by-step explanation:

The answer is 4 cm because the formula for a cone is V=π r^2 h/3, and the formula for a cylinder is V=π r^2 h, and the cone's volume is V≈301.59, and, a cylinder with

r=4 and h=6 is V≈301.59

Therefore the answer is

4 cm

I hope this has satisfied you.

8 0
3 years ago
Read 2 more answers
24 seconds, 24 minutes, 24 hours, 24 days, 24 weeks, 24 months, 24 years, equals how many days?
Vedmedyk [2.9K]

Answer:

1345.01694448 days

Step-by-step explanation:

24 weeks = 24 x 7 = 168 days

24 months = 24 x 30 x 7 =  168 x 7 = 1176 days

24 seconds = 0.000277778 days

24 minutes = 0.0166667 days

24 hours = 1 day

Total = 1345.01694448 days

5 0
1 year ago
A company determines that its marginal revenue per day is given by R' ( t ) , where R ( t ) is the total accumulated revenue, in
DedPeter [7]

Answer:

Step-by-step explanation:

Total profit function is equal to Total revenue function minus Total Cost function.

To get both Revenue function and Cost function, integrate the Marginal functions as follows:

R(t) = 108.7312t^2

Where 80et = 217.4624t

(e =2.71828)

C(t) = 80t - 0.4t^2

P(t) = R(t) - C(t) = 109.1312t^2 - 80t

When t=0, P=0

When t=1, P=29.1312

When t=2, P=276.5248

When t=3, P=742.1808

And so on ...

Summing the daily profits, total profit for the 10 days is 37,615.512 dollars which equals 3,761551.2 cents

(B)

Average daily profit for the first 10 days (in dollars) is 37,615.512÷10 = 3,761.5512 dollars

= 376,155.12 cents

3 0
3 years ago
Quais são os zeros(ou raízes) da função quadrática f(x) = x² + 3x - 4? Assinale a alternativa correta. *
faust18 [17]

Given:

The quadratic function is:

f(x)=x^2+3x-4

To find:

The zeros of the given quadratic function.

Solution:

We have,

f(x)=x^2+3x-4

Splitting the middle term, we get

f(x)=x^2+4x-x-4

f(x)=x(x+4)-1(x+4)

f(x)=(x+4)(x-1)

For zeros, f(x)=0.

(x+4)(x-1)=0

x=-4,1

Therefore, the correct option is (b).

3 0
2 years ago
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