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ElenaW [278]
4 years ago
5

Choose the correct expression for: 10 decreased by 3x A. 10 + 3x B. 10 - 3x C. 3.x (10) D 10/3x E. 3x - 10​

Mathematics
2 answers:
ratelena [41]4 years ago
8 0

Answer:

It is B

Step-by-step explanation:

Because if u read out the answers it would be 10 minus 3x

borishaifa [10]4 years ago
3 0

Answer:

B. 10 - 3x

Step-by-step explanation:

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Can someone help me with this? I need to find the distance and midpoint
kolezko [41]

Answer:

Distance is 9.21954445729 (9) and the midpoint is (-2, 1.5)

Step-by-step explanation:

Pythagorean theorem

Height = 7 and Length = 6

7^2 + 6^2 = c^2

49 + 36 = c^2

85 = c^2

c = 9.21954445729

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

Botton point is (1, -2)

x: 1 - 3 = -2

y: -2 + 3.5 = 1.5

Midpoint = (-2, 1.5)

8 0
4 years ago
Find the solutions of <img src="https://tex.z-dn.net/?f=y%3Dx%5E%7B2%7D%2B2" id="TexFormula1" title="y=x^{2}+2" alt="y=x^{2}+2"
Eva8 [605]

Answer:

x is  \frac{1\ + \sqrt{3} i}{2}   AND

       \frac{1\ - \sqrt{3} i}{2}

y = \frac{3\ + \sqrt{3} i}{2}      And

      \frac{3\ - \sqrt{3} i}{2}

Step-by-step explanation:

Given two equations are :

y = x² + 2         And

y = x + 1

So, the equation can be written as

x² + 2  =  x + 1

Or, x² - x + ( 2 - 1) = 0

Or, x² - x + 1 = 0

This is in the form of quadratic equation

So,   Roots of equation x be :

     x = \frac{-b\pm \sqrt{b^{2}-4\times a\times c}}{2\times a}

Or, x = \frac{1\pm \sqrt{-1^{2}-4\times 1\times 1}}{2\times 1}

Or , x = \frac{1\pm \sqrt{-3}}{2}

Hence the two value of x is  \frac{1\ + \sqrt{3} i}{2}   AND

                                               \frac{1\ - \sqrt{3} i}{2}

So , y = \frac{3\ + \sqrt{3} i}{2}      And

              \frac{3\ - \sqrt{3} i}{2}

5 0
3 years ago
Patti said hey we all watched the video for the same amount of time is patti correct and use word to explain
Ipatiy [6.2K]
Yes because if you all watched the video at the same time so then you would watch it for the same amount
4 0
3 years ago
An individual is planning a trip to a baseball game for 15 people. Of the people planning to go to the baseball game, 10 can go
wariber [46]

3 people go on Sunday then duh

5 0
2 years ago
(Need Help ASAP (Willing to give 10 points for 1 question)
True [87]

Answer:

a) -2 and 4

b) function 2

Step-by-step explanation:

a)

rate of change is rise over run: change in y / change in x.

function 1:

- i will use first 2 pairs of data

- change in y: 5 - 3 = 2

- change in x: -2 - (-1) = -1

-rate of change = 2/-1 = -2

function 2:

- same idea, but find two points on the graph!

- (0,4) and (-1,0) for example! pick easy points

- change in y is 4. chabge in x is 1

- rate of change is 4

b)

function b has greatest rate of change. 4 > -2

5 0
2 years ago
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