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3 years ago

How do you figure out your ratios

2 answers:

7 0

Hello
To find an equal ratio, you can either multiply or divide each term in the ratio by the same number (but not zero). For example, if we divide both terms in the ratio 3:6 by the number three, then we get the equal ratio, 1:2.

Aliun [14]3 years ago

6 0

What do you mean by this? If you're looking for a simple response, Google is always helpful.

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Write the expression in algebraic form. [hint: sketch a right triangle.] tan(arcsec(x/3))

WARRIOR [948]

Sketch a right triangle having adjacent side(A) is given as “3”, hypotenuse side (H) is “x” and assigning angle “a” as the angle between A and H. Using Pythagorean theorem, you will get “square root of x-squared minus 9” as the opposite side (O). Using SOH CAH TOA function, and since secant is the reciprocal of cosine, sec(a) = x/3. Thus, a = arcsec(x/3). The remaining expression tan(a) is Opposite side over Adjacent side which is equal to “square root of x^2 - 9” over "3". Therefore, the algebraic expression would be: tan(arcsec(x/3)) = “sqrt (x^2 -9)” /3. Different answers can be made depending on which side you consider the “3” and “x”.

6 0

3 years ago

Samantha types 40 words per minute. How many words can Samantha type in 8 minutes?

Ne4ueva [31]

Answer:

C. 320 (correct)

Step-by-step explanation:

If Samantha can type 40 words per minute, to find the number of words Samantha can type in 8 minutes, multiply 40 by 8.

40×8=320

Therefore, Samantha can type 320 words in 8 minutes.

I hope this helps!

3 0

3 years ago

Read 2 more answers

How to write 9 and 9 thousandths in standard form

Paha777 [63]

Answer:

9.009

Step-by-step explanation:

As a mixed number, it is 9 9/1000.

The "thousandths" place in a decimal number is the third digit to the right of the decimal point, so a 9 in that place signifies 9 thousandths, or 9/1000. Adding 9 units gives ...

9 9/1000 = 9 + 0.009 = 9.009

4 0

4 years ago

Let A = {a, b, c, d, e} and B = {a, c, f, g, i}. Universal Set: ∪= {a,b,c,d,e,f,g,h,i}

mixer [17]

Answer:

1. { a, b, c, d, e, h }

2. { f, g, i }

Step-by-step explanation:

Given sets,

A = {a, b, c, d, e},

B = {a, c, f, g, i}

Universal set , ∪ = {a, b, c, d, e, f, g, h, i},

1. Since, $B^c$ = elements of universal set which are not in set B

= U - B

= { b, d, e, h },

Thus,

$A\cup B^c$ = All elements of A and $B^c$

= { a, b, c, d, e, h }

2. B - A = elements of set B which are not in set A

= { f, g, i }

4 0

3 years ago

Find the circumference of a circle if the area is 300 square centimeters.

Blababa [14]

The answer is: [C]: 61.38 cm .
_______________________________________________

Note: A = $\pi *r$ ²

300 = (3.14) * r² ;
______________________
Divide each side by "3.14" ;

r² = 300/3.14 ;

r² = 95.5414012738853503 ;

√r² = √(95.5414012738853503) ;

r = 9.7745281867661188048

Circumference, "C" = $\pi$ * d ; (d = diameter = 2*r);

C = 2* $\pi$ *r ;

C = 2*(3.14)*(9.7745281867661188048)

C = 61.384037012891226094144 ; which rounds to answer choice:
[C]: 61.38 cm .
________________________________________________________

8 0

3 years ago

Read 2 more answers