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Ilya [14]
3 years ago
14

Use pic for more info

Mathematics
2 answers:
xxTIMURxx [149]3 years ago
5 0
D. 31 27+ x = 35+ 23
= 58
-27 = -27
x = 31

Check: 27+31 = 35 + 23
58 = 58
jeyben [28]3 years ago
4 0
Your answer is gonna be D. 100%
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The letters in VIRGINIA are each written on a separate card. Mark picks one card at random, keeps it, and then picks a second ca
andreev551 [17]

Answer:

okay I would say 1/4

Step-by-step explanation:

the originally eight letters, and then you take one out so there's seven and then your chances of getting the I are two so that's 2/7. then there's only one consonant the R so 1/4.

5 0
3 years ago
The vertex of this parabola is at (-5, -2). When the x-value is -4, the
Advocard [28]

Answer:

The answer to your question is letter A

Step-by-step explanation:

Data

Vertex = (-5, -2)

Point = (-4, 2)

This is a vertical parabola the opens upwards.

The equation is

                             (x - h)² = 4p(y - k)

Substitution

                             (-4 + 5)² = 4p (2 + 2)

Simplification

                                      1² = 4p(4)

                                      1 = 16p

                                      p = 1/16

Equation of the parabola

                          (x + 5)² = 4/16(y + 2)

                          x² + 10x + 25 = 1/4y + 1/2

Conclusion

The coefficient of the squared expression is 1

7 0
3 years ago
True or false: The base of a polyhedron is also a face of the polyhedron
Katena32 [7]
True: A face of a polyhedron is simply a flat boundary that helps forms the 3D solid.
4 0
3 years ago
What are all of the real roots of the following polynomial? f(x) = x4 - 13x2 + 36
GREYUIT [131]
ANSWER

A. -3, -2, 2, and 3

EXPLANATION

The given polynomial function is,

f(x) = {x}^{4} - 13 {x}^{2} + 36

To find the real roots, we equate the function to zero to obtain;

{x}^{4} - 13 {x}^{2} + 36 = 0

We can solve this equation as a quadratic equation in
{x}^{2}.

Thus we rewrite the equation as,

({x}^{2})^{2} - 13 {x}^{2} + 36 = 0

We split the middle term to get,

({x}^{2})^{2} - 9 {x}^{2} - 4 {x}^{2} + 36 = 0.

We factor to get,

{x}^{2} ( {x}^{2} - 9) - 4( {x}^{2} - 9) = 0

We factor to get,

( {x}^{2} - 9)( {x}^{2} - 4) = 0

Either

{x}^{2} - 9 = 0
or

{x}^{2} - 4 = 0

x = \pm \sqrt{9} \: or \: x = \pm \sqrt{4}
x = \pm3 \: or \: x = \pm2

x=-3,-2,2,3

The correct answer is A
5 0
4 years ago
Read 2 more answers
Create your own unit rate example in which you have to determine the unit rate of two fractions with different units. Explain wh
levacccp [35]
I’m sorry but i don’t know what it is
7 0
2 years ago
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