MATHEMATICS HIGH SCHOOL

PLEASE HELP I WILL MARK BRAINLIEST SHOW WOrK HOW YOU GOT IT

Answers

Answer 1

Answer:

Answer:

7 . 8.9

8 . 19.5

9 . 9.9

10 .12.6

Step-by-step explanation:

7.x=11tan39

8.x=28cos46

9.x=8tan51

10.x=31sin24

side opposite of mentioned angle is opposite

longest side in triangle is hypotenuse

the side subtended by the angle is the adjacent

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Solve this problem.Five times a number z is greater than or equal to 60. Find z. Select the correct answer. a)z greater than or equal to 5 b)z greater than or equal to 15 c)z greater than or equal to 14 d)z greater than or equal to 12

A bicyclist travels at the rate of 8 miles in an hour. If the bicyclist continues at this rate, how many miles can the bicyclist travel in five hours?

Answers

they would 40 miles in 5 hours traveling at 8 miles an hour

The bicyclist traveled 40 miles in 8 hours so the answer is D) 40 miles it is correct i took the test

Given the function f(x) = x2 and k = –3, which of the following represents a vertical shift? A. f(x) + kB. kf(x)
C. f(x + k)
D. f(kx)

Answers

Given the function $f(x) = x^2$ and k = –3, consider all options:

A. $f(x)+k=x^2-3$ - this is translation down 3 units;

B. $kf(x)=-3x^2$ - this is reflection across the x-axis and stretch in the y-direction;

C. $f(x+k)=(x-3)^2$ - this is translation 3 units to the right;

D. $f(kx)=(-3x)^2$ - this is compression it in the x-direction.

The only possible option with vertical shift is option A.

when you are dealing with any function f(x)=x^w,

a vertical shift is:
f(x) = x^w+c (shift up)

therefore the answer is: A. f(x) + k

What is the simplified form of the equation fraction 4 over 5 n minus fraction 1 over 5 equals fraction 2 over 5 n?n = −2
n = 4
n = fraction 1 over 2
n = fraction 2 over 3

Answers

Answer: The correct option is

(C) n = fraction 1 over 2.

Step-by-step explanation: We are to find the simplified form of the fraction 4 over 5 n minus fraction 1 over 5 equals fraction 2 over 5 n.

From the given information, we can write the equation as follows:

$(4)/(5)n-(1)/(5)=(2)/(5)n.$

Solving the above equation, we get

$(4)/(5)n-(1)/(5)=(2)/(5)n\n\n\n\Rightarrow (4)/(5)n-(2)/(5)n=(1)/(5)\n\n\n\Rightarrow (4-2)/(5)n=(1)/(5)\n\n\n\Rightarrow (2)/(5)n=(1)/(5)\n\n\n\Rightarrow n=(5)/(2* 5)\n\n\n\Rightarrow n=(1)/(2).$

Thus, the required simplified form is $n=(1)/(2).$

Option (C) is CORRECT.

4/5n – 1/5 = 2/5n
Add 1/5 to both sides
4/5n = 2/5n + 1/5
Subtract 2/5n from both sides
2/5n = 1/5
Divide both sides by 2/5

n = 1/2

A pizza with a diameter 24 inches what is it’s circumference

Answers

the formula for circumference is pi(r)(2) or pi(d)= therefore the answer is 24pi or 75.3982236816....

Solve each system using substitution.
3x+2y=23
1/2x-4=y

Answers

$\left\{\begin{array}{ccc}3x+2y=23&(1)\ny=(1)/(2)x-4&(2)\end{array}\right\n\nsubtitute\ (2)\ to\ (1)\n\n3x+2((1)/(2)x-4)=23\n3x+x-8=23\n4x-8=23\ \ \ \ |add\ 8\ to\ both\ sides\n4x=31\ \ \ \ \ |divide\ both\ sides\ by\ 4\n\boxed{x=7.75}\n\nsubtitute\ the\ value\ of\$

1: 3x+2y=23
2: 1/2x-4=y
We have that y=1/2x-4 in 2
So lets substitu y in 1
3x+2(1/2x-4)=23
3x+x-8=23
4x=23+8
4x=31
X = 7,75
Now lets replace x in 2:
1/2.7,75-4=y
3,875-4 + y
Y= - 0,125
So (x;y)=(7,75;-0.125)

9+10=? .................................................... . .

Answers

19 .................
................

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