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Mandarinka [93]
3 years ago
14

Whats 2+2 :O this is for y'all to get points your welcome <3

Mathematics
1 answer:
Harman [31]3 years ago
7 0

Answer:

4

Step-by-step explanation:

Thank you so much lol :3

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PLEASE HELP ME WITH THIS ONE ASAP PLEASE AND THANK YOU thanks in advance
Andreyy89

Answer:

ok so 10 times 4 equals 40 and then 40 times six equals 240 but I don't know what standard notation is

7 0
3 years ago
Read 2 more answers
Question 9 - (3 marks available)
finlep [7]

Answer: a) 1,600

              b) 35,000

              c) 120,000

<u>Step-by-step explanation:</u>

First, round each number to one significant digit (the first digit).

Then multiply them.

a) 17   --> rounds to 20

  82   --> rounds to 80

                                       20 x 80 = 2 x 8 with two zeros

                                                     = 1 6 0 0

b) 54   --> rounds to 50

  671   --> rounds to 700

                                       50 x 700 = 5 x 7 with three zeros

                                                       = 3 5 0 0 0

c) 207   --> rounds to 200

  643   --> rounds to 600

                                       200 x 600 = 2 x 6 with four zeros

                                                          = 1 2 0 0 0 0

6 0
3 years ago
A(4,-7) B(-2,1) find AB
Natali5045456 [20]

\bf ~~~~~~~~~~~~\textit{distance between 2 points}\\\\A(\stackrel{x_1}{4}~,~\stackrel{y_1}{-7})\qquadB(\stackrel{x_2}{-2}~,~\stackrel{y_2}{1})\qquad \qquadd = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2}\\\\\\AB=\sqrt{[-2-4]^2+[1-(-7)]^2}\implies AB=\sqrt{(-2-4)^2+(1+7)^2}\\\\\\AB=\sqrt{(-6)^2+8^2}\implies AB=\sqrt{36+64}\implies AB=\sqrt{100}\implies AB=10

8 0
3 years ago
What is the domain and derivative of f(x)=ln(2xsqrt(2+x))?
wolverine [178]
For domain 2x sqrt(2+x)>0
x>0,2+x>0,x>-2 combining 
we get x>2
f'(x)=[1/{2x sqrt(2+x)}][{2x/(2 sqrt(2+x))}+2 sqrt(2+x)]
5 0
3 years ago
Draw Conclusions The decimal 0.3 represents What type of number best describes 0.9, which is 3.0.3? Explain
Anon25 [30]

Answer:

The product represent the number 3\times 0.3=0.9

Step-by-step explanation:

To find : The decimal 0.3 represents What type of number best describes 0.9, which is 3.0.3?

Solution :

0.3 represents 0.3=\frac{3}{10}

0.9 represents 0.9=\frac{9}{10}

If we multiply 0.3 by 3 we get 0.9

As, 3\times 0.3=3\times \frac{3}{10}

3\times 0.3=\frac{9}{10}

3\times 0.3=0.9

Therefore, The product represent the number 3\times 0.3=0.9

8 0
3 years ago
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