All categories

3 years ago

is it easier to subtract when the numbers are written above and below each other? explain your answer.

2 answers:

8 0

Yes it would be eaiser because u can subtract each number from up and down it would a little more difficult to subtract from side by side try it and u can see for yourself

Naddika [18.5K]3 years ago

4 0

In my opinion, no. Others may think that when you subtract this way, it is much easier. My way to subtract numbers is below:-

Example: 17 - 11

Take the numbers that seem easy to add.

10 - 10 = 0
7 - 1 = 6
6+0 = 6

Now, we know that 17 - 11 = 6

We could have done it this way:-

17
- 11
----------
0 6

Final answer:- Either way, our answer is 6.

You might be interested in

Help plss it’s hard.....

OleMash [197]

It should be 0:20 since there’s no shaded boxes but there is no answer like that

3 0

2 years ago

NNEED HELP!! GEETSS BRAINLIEST**

sergejj [24]

Answer:

D. $y=3\cos \left(\dfrac{4}{3}x-2\pi\right)+2$

Step-by-step explanation:

The period of the functions $y=\cos x,\ y=\sin x$ is $2\pi.$

The period of the function $y=a\cos (kx+b),\ y=a\sin(kx+b)$ is ALWAYS $\dfrac{2\pi}{k}$

In your case, you have function $y=-3\sin \left(\dfrac{2}{3}x-2\pi \right)+2$ and this function has the period

$\dfrac{2\pi}{\dfrac{2}{3}}=3\pi.$

You need to find the function that will have the period that is half of $3\pi,$ so

$\dfrac{3\pi}{2}=\dfrac{2\pi}{k}\\ \\3k=4\\ \\k=\dfrac{4}{3}.$

So, correct choice is

$y=3\cos \left(\dfrac{4}{3}x-2\pi\right)+2$

7 0

2 years ago

Read 2 more answers

A government official is in charge of allocating social programs throughout the city of Vancouver. He will decide where these so

otez555 [7]

Answer: (0.132132, 0.274368)

Step-by-step explanation:

Given : A simple random sample of 123 people living in Gastown and finds that 25 have an annual income that is below the poverty line.

i.e. n= 123

$\hat{p}=\dfrac{25}{123}\approx0.203252$

Critical value for 95% confidence interval : $z_{\alpha/2}=1.96$

Confidence interval for population :

$\hat{p}\pm z_{\alpha/2}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}$

i.e. $0.203252\pm (1.96)\sqrt{\dfrac{0.203252(1-0.203252)}{123}}$

$0.203252\pm (1.96)\sqrt{\dfrac{0.203252(1-0.203252)}{123}}\\\\\0.203252\pm0.071118\\\\=(0.20325-0.071118,\ 0.203252+0.071118)\\\\=(0.132132,\ 0.274368)$

Hence, the 95% confidence interval for the true proportion of Gastown residents living below the poverty line : (0.132132, 0.274368)

5 0

3 years ago

A cell phone plan costs $39 a month. The plan includes 2 gigabytes (GB) of free data and

DerKrebs [107]

a) C(0.5) = 39, C(2) = 39, C(4) = 69

b) Answers in part (a) represents the values of C at x = x₀

c) C(x) is continuous at x = 2

C (x) = 39 for 0 ⩽ x ⩽ 2

Since x = 0.5 is in the range 0 ⩽ x ⩽ 2:

C(0.5) = 39

Since x = 2 is in the range 0 ⩽ x ⩽ 2

C(2) = 39

Since x = 4 is in the range x > 2

C(4) = 39 + 15(x - 2)

C(4) = 39 + 15 (4 - 2)

C(4) = 39 + 15(2)

C(4) = 39 + 30

C(4) = 69

b) The answers in part A represents C(x). That is, the values of C at x = x₀

c) Is C(x) continuous at x = 2

C(2) = 39

$\lim_{x \to 2} C(x) = 39$

Since $\lim_{x \to 2} C(x) = C(2)$ , the function C(x) is continuous at x = 2

Learn more here: brainly.com/question/20710468

4 0

2 years ago

What is the slope of the line shown?

IceJOKER [234]

It’s 2 because it starts at 6 and the next time the line meets a point is at (4,-1) you go down one and over two and you put x/y so it’s 2/1 which is 2. I think that’s right

5 0

2 years ago