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3 years ago

What operation do you use to find the power of bases please answer quick

Mathematics

1 answer:

Rufina [12.5K]3 years ago

6 0

I believe its exponent

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Are the opposites of -6.5 and the absolute value value -6.5 the same

algol [13]

I know the absolute value is how far away from zero is it. ( +6.5) so I would assume the opposite is the same thing.

7 0

3 years ago

Select the two values of x that are roots of this equation. 2x+11x+15= 0

Amiraneli [1.4K]

Answer:

The roots of the equation are x=-3 and x=-2.5

Step-by-step explanation:

The correct quadratic equation is

2x^2+11x+15=0

we know that

The formula to solve a quadratic equation of the form

$ax^{2} +bx+c=0$ is equal to

$x=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}$

in this problem we have

$2x^{2} +11x+15=0$

$a=2\\b=11\\c=15$

substitute in the formula

$x=\frac{-11(+/-)\sqrt{11^{2}-4(2)(15)}} {2(2)}$

$x=\frac{-11(+/-)\sqrt{121-120}} {4}$

$x=\frac{-11(+/-)\sqrt{1}} {4}$

$x=\frac{-11(+/-)1} {4}$

$x_1=\frac{-11(+)1}{4}=-2.5$

$x_2=\frac{-11(-)1}{4}=-3$

therefore

The roots of the equation are x=-3 and x=-2.5

5 0

3 years ago

74°. 2x° what is the value of x

horrorfan [7]

Answer:

2x-7

Step-by-step explanation:

5 0

3 years ago

What is the slope of the line that passes through the points (4, 10) and (1,10)?

Y_Kistochka [10]

Answer:

Step-by-step explanation:

We have two points so we can use the sloe formula

m = (y2-y1)/(x2-x1)

= ( 10-10)/(1-4)

= 0/ -3

= 0

4 0

3 years ago

Read 2 more answers

2x – y=8

emmasim [6.3K]

Answer:

the answer is D no solution

5 0

3 years ago