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Ber [7]
3 years ago
6

What is the slope of (7,-30) and (11,-54)

Mathematics
1 answer:
timama [110]3 years ago
5 0

Answer:

-6

Step-by-step explanation:

we just need to do the step slope=(y2-y1)/(x2-x1)

so slope =-30-(-54)/(7-11)=24/-4=-6

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9k/65 = 1316/845<br> find k and show work
olga2289 [7]

Answer:

k= 1316/117

Step-by-step explanation:

3 0
2 years ago
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What is <br> 162divide[6 multiply (7-4) to the second power]<br> help please
Setler [38]

Answer:

please mark me brainlist

Step-by-step explanation:

i need it

3 0
1 year ago
Please help !!
shutvik [7]

Given:

The limit problem is:

\lim_{x\to 3}(x^2+8x-2)

To find:

The limit of the function by using direct substitution.

Solution:

We have,

\lim_{x\to 3}(x^2+8x-2)

Applying limit, we get

\lim_{x\to 3}(x^2+8x-2)=(3)^2+8(3)-2

\lim_{x\to 3}(x^2+8x-2)=9+24-2

\lim_{x\to 3}(x^2+8x-2)=33-2

\lim_{x\to 3}(x^2+8x-2)=31

Therefore, the correct option is D.

4 0
3 years ago
The sum of two numbers is 9.9, and the sum of the squares of the numbers is 53.21. What are the numbers?
Snezhnost [94]

Answer:

There are two possibilities:

x_{1} = 3.5 and y_{1} = 6.4

x_{2} = 6.4 and y_{2} = 3.5

Step-by-step explanation:

Mathematically speaking, the statement is equivalent to this 2-variable non-linear system:

x + y = 9.9

x^{2} + y^{2} = 53.21

First, x is cleared in the first equation:

x = 9.9 - y

Now, the variable is substituted in the second one:

(9.9-y)^{2} + y^{2} = 53.21

And some algebra is done in order to simplify the expression:

98.01-19.8\cdot y +2\cdot y^{2} = 53.21

2\cdot y^{2} -19.8\cdot y +44.8 = 0

Roots are found by means of the General Equation for Second-Order Polynomials:

y_{1} \approx \frac{32}{5} and y_{2} \approx \frac{7}{2}

There are two different values for x:

y = y_{1}

x_{1} = 9.9-6.4

x_{1} = 3.5

y = y_{2}

x_{2} = 9.9 - 3.5

x_{2} = 6.4

There are two possibilities:

x_{1} = 3.5 and y_{1} = 6.4

x_{2} = 6.4 and y_{2} = 3.5

5 0
3 years ago
*PART D QUESTIONS ONLY*
BlackZzzverrR [31]

Answer:

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Step-by-step explanation:

7 0
2 years ago
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