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kompoz [17]
3 years ago
7

Is 63 a prime or composite number

Mathematics
2 answers:
egoroff_w [7]3 years ago
8 0
63|3 \\ 21|3 \\ 7 \ |7 \\ 1 \\\\ 63=3^2*7 \\\\ 63-composite \ number \ because \ it \ can \ be \ divided \ by \ D_{63=\{1;3;7;9;21;63 \}
notsponge [240]3 years ago
3 0
The answer is composite because a prime number is only divisible by 1 and itself. You can divide sixty-three by 9, 7,21,3,63, and 1.
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4 question in one 65 points
jeka94

Q6.

The slope-intercept form: y = mx + b

m - slope

b - y-intercept

We have: slope m = 3, y-intercept (0, 4) → b= 4

<h3>Answer: y = 3x + 4</h3>

Q7.

2x + 4y = 4     |subtract 2x from both sides

4y = -2x + 4     |divide both sides by 4

y = -0.5x + 1

Only second graph has y-intercept = 1.

<h3>Answer: The second graph.</h3>

Q8.

The point-slope form:

y-y_1=m(x-x_1)\\\\m=\dfrac{y_2-y_1}{x_2-x_1}

We have

(-16,\ 8)\to x_1=-16,\ y_1=8\\(4,\ -2)\to x_2=4,\ y_2=-2

Substitute:

m=\dfrac{-2-8}{4-(-16)}=\dfrac{-10}{20}=-\dfrac{1}{2}\\\\y-8=-\dfrac{1}{2}(x-(-16))\\\\y-8=-\dfrac{1}{2}(x+16)

<h3>Answer: The first equation.</h3>

Q9.

It's a vertical line. The equation of a vertical line is x = <em>a</em>, where <em>a</em> is any real number.

<h3>Answer: x = -4</h3>
6 0
3 years ago
Read 2 more answers
Please help me please
zloy xaker [14]

Answer:

they are identical. proved below.

Step-by-step explanation:

  • formula:  sin(t)+sin(s) = 2sin(\frac{t+s}{2} )cos(\frac{t-s}{2} )

using the formula to proof:

sin9a+sin5a

2sin(\frac{9+5}{2})* cos(\frac{9-5}{2})

2sin7a * cos2a

True. proved that they are identical.

7 0
3 years ago
Find the total mass of 32 nails each of mass 1.7 grams
Andrews [41]

Answer:

The answer is 54.4

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Please help I suck at this kind of math
hammer [34]

Answer:

I am sorry, I am only in middle school... I am learning about like the questions I have been asking

Step-by-step explanation:

I really hope you get the question answered and get it correct

3 0
3 years ago
Jose received $250 for his birthday from his family. He wishes to buy a motorcycle and decides to use his birthday money towards
BartSMP [9]

Answer:

He will have $276.10 available towards the down payment for his motorcycle

Step-by-step explanation:

The compound interest formula is given by:

A = P(1 + \frac{r}{n})^{nt}

Where A is the amount of money, P is the principal(the initial sum of money), r is the interest rate(as a decimal value), n is the number of times that interest is compounded per unit t and t is the time the money is invested or borrowed for.

In this problem, we have that:

P = 250, t = 2, r = 0.05

Compounded quarterly, so n = 12/4 = 3.

We have to find A.

A = P(1 + \frac{r}{n})^{nt}

A = 250(1 + \frac{0.05}{3})^{3*2}

A = 276.1

He will have $276.10 available towards the down payment for his motorcycle

8 0
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