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jeka94
3 years ago
7

What is the value of y? y + 30

Mathematics
2 answers:
Alexxx [7]3 years ago
8 0

Answer:

You cant solve for y without knowing the end number.

Step-by-step explanation:

maybe your equation y + 30 = 32 then we would know y is = to 2

Musya8 [376]3 years ago
6 0

you can't solve this nor find the value of y because its not a full equation

You might be interested in
what is the smallest positive integer a such that the intermediate value theorem guarantees a zero exists between 0 and a?
liberstina [14]

The smallest positive integer that the intermediate value theorem guarantees a zero exists between 0 and a is 3.

What is the intermediate value theorem?

Intermediate value theorem is theorem about all possible y-value in between two known y-value.

x-intercepts

-x^2 + x + 2 = 0

x^2 - x - 2 = 0

(x + 1)(x - 2) = 0

x = -1, x = 2

y intercepts

f(0) = -x^2 + x + 2

f(0) = -0^2 + 0 + 2

f(0) = 2

(Graph attached)

From the graph we know the smallest positive integer value that the intermediate value theorem guarantees a zero exists between 0 and a is 3

For proof, the zero exists when x = 2 and f(3) = -4 < 0 and f(0) = 2 > 0.

<em>Your question is not complete, but most probably your full questions was</em>

<em>Given the polynomial f(x)=− x 2 +x+2 , what is the smallest positive integer a such that the Intermediate Value Theorem guarantees a zero exists between 0 and a ?</em>

Thus, the smallest positive integer that the intermediate value theorem guarantees a zero exists between 0 and a is 3.

Learn more about intermediate value theorem here:

brainly.com/question/28048895

#SPJ4

4 0
2 years ago
98 points! plz hurry!
LenaWriter [7]

Answer:

B. (-0.73, 0), (2.73, 0)

Step-by-step explanation:

vertex form of a parabola

y = a(x-h)^2 +k

y = a(x-1)^2 -9

substitute the point in to find a

-6 = a (0-1) ^2 -9

-6 = a *1 -9

add 9 to each side

-6+9 = a -9+9

3 =a

y = 3(x-1)^2 -9

FOIL

y = 3(x-1)(x-1) -9

y = 3(x^2-2x+1) -9

distribute

y = 3x^2-6x+3-9

combine like terms

y = 3x^2 -6x -6

factor out 3

y= 3(x^2 - 2x -2)

set = 0

0 =  3(x^2 - 2x -2)

x^2 - 2x -2 =0

using the quadratic formula

-b±sqrt(b^2 -4ac)

----------------------

2a

-(-2) ± sqrt(2^2 - 4(1)(-2))

-------------------------------

2(1)

2 ± sqrt(4+8)

------------------

2

2±sqrt(12)

---------------

2

2±2sqrt(3)

----------------

2

1±sqrt(3)

roots:  2.73,  and  -.73

7 0
3 years ago
Solve for x. Write your answer in the space below,<br><br><br> x + 5 <br> —— = 10<br> 2
Travka [436]

Answer:

x=15

Step-by-step explanation:

15+5=20

20/2=10

So, 15 =x

8 0
3 years ago
Read 2 more answers
How can I solve these problems?
Hitman42 [59]
I can’t see A-c can u take another picture
6 0
3 years ago
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write an equation in point slope form that represents a line that passes by (-9,-2) and has a slope of -4
KiRa [710]
Point slope: y-y1 = m(x-x1)
Plug in the numbers
Solution: y+2 = -4(x + 9)
8 0
3 years ago
Read 2 more answers
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