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dusya [7]
3 years ago
15

Please help having trouble!

Mathematics
1 answer:
zmey [24]3 years ago
7 0

Answer:

Option C is the correct choice that is y

Step-by-step explanation:

As this is a multiple choice question we will reduce the options and work on it with the given points (0,-2),(-2,-3)

Note:We know that \leq ,\geq where there is = sign associated with it have a straight line graph there is no breaking in the line.

And when there is simply we have a dashed line when we plot it on a graph.

So option B and D are discarded.

Now one-by one we will put the values (x,y)\ (-2,3) to know which equation it satisfies.

If we put y=3 then x=-2.

So working with option A.

y

Plugging the values.

3

And we know that x must be equal to -2 so this is not the right answer.

We are left with only one choice that is C .

So option C is the correct option of the above inequality.

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X^2-18x-6. complete the square ​
vlabodo [156]

Answer:

(x-9)^2-87

Step-by-step explanation:

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3 years ago
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Adele Garcia obtained a loan of 8,000$ at 12% interest for 24 months . The monthly payment is 367.80. after 15 payments the bala
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Answer:

6

Step-by-step explanation:


8 0
3 years ago
Can anyone help me? is it a b c or d
Nataly_w [17]

Answer: choice a

Step-by-step explanation:

The Triangle Inequality Theorem states that the sum of any 2 sides of a triangle must be greater than the measure of the third side. Note: This rule must be satisfied for all 3 conditions of the sides.

so it has to be in between 9 and 5

7+2=9

2+x>7

  --> x>5

however, it can't be 5 or 9

Hope this helps! <3

5 0
3 years ago
Allan paid $340 to have his car fixed at an auto-repair shop.
Gala2k [10]

Answer:

5 Hours

Step-by-step explanation:

340 = 215 + 25x

DO INVERSE OPERATIONS ~ MINUS BOTH SIDES OF THE = SIGN

340 - 215 = 125

215 - 215 = 0

125 = 25x

DIVIDE BOTH SIDE NOW

125 / 25 = 5

25x / 25 = 1 = x

<em>5 Hours</em>

3 0
3 years ago
Read 2 more answers
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
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