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nasty-shy [4]
3 years ago
5

Please take a look at the picture

Mathematics
2 answers:
svet-max [94.6K]3 years ago
7 0

Answer:

C

Step-by-step explanation:

it is none of the above, because

x - (-x) = x + x = 2x

and that is not -x

0 - (-x) = 0 + x = x

and that is not -x

umka2103 [35]3 years ago
4 0

Answer:

B) 0-(-x)=-x

LHS

0-(-x)

0+x = 0

0 = -x

RHS

-x

LHS=RHS

Hope it's helpful to you

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allochka39001 [22]
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7 0
3 years ago
The area of the base is 34 cm². The height is 7 cm. What is the volume.
Digiron [165]

Answer:

238cm³

Step-by-step explanation:

8 0
3 years ago
A(x+1)(x-1)+b(x-2)(x+1)+(x+1)^2=9x-x-10 What is a+b?
igor_vitrenko [27]

a(x+1)(x-1)+b(x-2)(x+1)+(x+1)^2=9x^2-x-10

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Now this equation is much simpler!

(a+b)x-a-2b+x+1=9x-10

(a+b)x-a-2b=8x-11

(a+b-8)x-a-2b-11=0

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I can't solve it 3 variables and 1 equations means infinite answers so yea.

4 0
3 years ago
Help pls, math due tonight :(
Olenka [21]

9514 1404 393

Answer:

  • 40 ft
  • t = 1 second

Step-by-step explanation:

A graphing calculator answers these questions easily.

The ball achieves a maximum height of 40 ft, 1 second after it is thrown.

__

The equation is usefully put into vertex form, as the vertex is the answer to the questions asked.

  h(t) = -16(t^2 -2t) +24

  h(t) = -16(t^2 -2t +1) +24 +16 . . . . . . complete the square

  h(t) = -16(t -1)^2 +40 . . . . . . . . . vertex form

Compare this to the vertex form:

  f(x) = a(x -h)^2 +k . . . . . . vertex (h, k); vertical stretch factor 'a'

We see the vertex of our height equation is ...

  (h, k) = (1, 40)

The ball reaches a maximum height of 40 feet at t = 1 second after it is thrown.

8 0
3 years ago
Use the figure to find the angle measures.
kicyunya [14]

Answer:

a. 50 degree

b.40 degree

c.140 degree

5 0
3 years ago
Read 2 more answers
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