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Vladimir79 [104]
3 years ago
7

Which statement is true?

Mathematics
1 answer:
sveta [45]3 years ago
4 0
I’m gonna guess it’s c if not a
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Need help with this one​
Aloiza [94]

Answer:

At x intercept, x = 0

2.8(0)+5.7y+5.8=0

y=-5.8/5.7

=-1.02

At y intercept, y=0

2.8x+5.7(0)+5.8=0

x=-5.8/2.8

=-2.07

7 0
4 years ago
Read 2 more answers
nancy earns $12.50 an hour cleaning houses, but doesn’t work on saturday or sunday. if she works from 8:00 am to 2:00 pm, how mu
sweet [91]

Answer:

In a day, Nancy will earn $27.50.  In a week, Nancy will earn $437.50.

Step-by-step explanation:

7 0
3 years ago
Mark had $436. chris has $86 less than mark.write an expression to show how much money chris actually had
Nikitich [7]

We have been given that Mark had $436.

Further, we are given that Chris has $86 lesser than what mark had.

Let us assume that Chris has $x. Therefore, we can set up an equation:

(Amount Chris had) + $86 = (Amount Mark had)

x+86=436

Upon subtracting 86 from both the sides, we get:

x=436-86

Therefore, the required expression that represent the amount of money that Chris had is 436-86.


7 0
3 years ago
Find dy/dx and d2y/dx2, and find the slope and concavity (if possible) at the given value of the parameter. (If an answer does n
ella [17]

Answer:

The slope of the function is  ²/₃ and since the second derivative is zero, the concavity doesn't exist.

Step-by-step explanation:

Given;

x = 6t

y = 4t - 3

point t = 4

\frac{dy}{dx} = (\frac{dy}{dt} )/(\frac{dx}{dt} )=\frac{\frac{dy}{dt} }{\frac{dx}{dt}} \\\\\frac{dy}{dt}  = 4; \frac{dx}{dt} = 6\\\\\frac{dy}{dx} =\frac{4}{6} = \frac{2}{3}

The slope of the function is  ²/₃

take the second derivative of the function;

the second derivative will be zero since the first derivative is a constant value.

\frac{d^2y}{dx^2} = 0

Since the second derivative is zero, the concavity doesn't exist.

4 0
4 years ago
Solve and show work (4-9)(-6)-1)
Dmitry_Shevchenko [17]
The answer is 29.
I hope it helps if not pls let me know
6 0
3 years ago
Read 2 more answers
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