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kogti [31]
2 years ago
5

PLS HELP ITS A SIMPLE EQUATION I GIVE 30 PTS AND BRANLIEST

Mathematics
2 answers:
KengaRu [80]2 years ago
8 0

Answer:

- 59/40

Step-by-step explanation:

Andrews [41]2 years ago
4 0

Answer:

-1 39/40

Step-by-step explanation:

1.Calculate the value  

9/10 - 2 3/8 = −1.975

convert to a fraction

-1.975 = -1 39/40

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The trigonometric ratios sine and secant are reciprocals of each other true or false?
kodGreya [7K]

True: The trigonometric ratios sine and secant are reciprocals of each other

7 0
3 years ago
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Find the absolute extrema of f(x) = e^{x^2+2x}f ( x ) = e x 2 + 2 x on the interval [-2,2][ − 2 , 2 ] first and then use the com
fredd [130]

f(x)=e^{x^2+2x}\implies f'(x)=2(x+1)e^{x^2+2x}

f has critical points where the derivative is 0:

2(x+1)e^{x^2+2x}=0\implies x+1=0\implies x=-1

The second derivative is

f''(x)=2e^{x^2+2x}+4(x+1)^2e^{x^2+2x}=2(2x^2+4x+3)e^{x^2+2x}

and f''(-1)=\frac2e>0, which indicates a local minimum at x=-1 with a value of f(-1)=\frac1e.

At the endpoints of [-2, 2], we have f(-2)=1 and f(2)=e^8, so that f has an absolute minimum of \frac1e and an absolute maximum of e^8 on [-2, 2].

So we have

\dfrac1e\le f(x)\le e^8

\implies\displaystyle\int_{-2}^2\frac{\mathrm dx}e\le\int_{-2}^2f(x)\,\mathrm dx\le\int_{-2}^2e^8\,\mathrm dx

\implies\boxed{\displaystyle\frac4e\le\int_{-2}^2f(x)\,\mathrm dx\le4e^8}

5 0
3 years ago
5.2 × _______ = 5.2 whats the answer
Leona [35]

Answer:

1

Step-by-step explanation:

7 0
3 years ago
Which of the following is equivalent to 14x2+35x when it is completely factored?
mezya [45]
A. 7x(2x+5) that is the answer
3 0
3 years ago
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explain the steps you would take to determine if the point (4,7) is a solution to the equation y=1.25x+2
enyata [817]

Answer:

Point (4,7) completely satisfies the equation and is a solution to the equation.

Step-by-step explanation:

Given:

Equation: y=1.25x+2

To check if the point (4,7) is a solution to the given equation.

Solution:

The solution of an equation is given as (x,y) which completely satisfies the equation.

To check if the point (4,7) is a solution to the given equation, we will plugin x=4 and y=7 in the given equation and see if it satisfies it or not.

Plugging in point (4,7) in the equation:

7=1.25(4)+2

Simplifying.

7=5+2

7=7

The above equation is always true, and hence point (4,7) completely satisfies the equation and is a solution to the equation.

4 0
3 years ago
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