MATHEMATICS HIGH SCHOOL

Another one this one has two anwser first up is A

Answers

Answer 1

Answer:

Answer:

g = 6

Step-by-step explanation:

3.8g + 8 = 1.8g + 20

Subtract 1.8g from both sides;

2g + 8 = 20

Subtract 8 from both sides;

2g = 12

Divide both sides by 2;

g = 6

You can check if the value of g is correct by plugging in the value of g to the equation. If your check does not it doesn't mean your answer is not correct because sometimes it can be a no solution equation which means that there is no solution to the equation.

Check:

3.8(6) + 8 = 1.8(6) + 20

22.8 + 8 = 10.8 + 20

30.8 = 30.8

It means its correct

Related Questions

Sam ran at 6km/h for 2h 20 mins. What distance did he run?
Quadrilateral ABCD quadrilateral WXYZ. If AD = 12, DC = 6, and ZY = 36, find WZ.
The yearly cost in dollars y for a memever at a video game arcade based on total game tokens purchased x is y=1/10x+60. A nonmember pays 0.20$ per game token but no yearly fee
Find the slope of the line
Los op vir :/ Solve for y: 3.4.1 3y+7= 4y 3.4.2 10-3y+4=8+4v-y 3.4.3 2(y+1)=10-2/3v-4)

The time, in seconds, that it takes a pendulum to swing back and forth is modeled by the equation below. f (l) = 2 pi StartRoot StartFraction l Over 32 EndFraction EndRoot, where l is the length of the pendulum in feet What is the approximate length of a pendulum that takes 2.4 pi seconds to swing back and forth?

Answers

Answer:

46.08 feet.

Step-by-step explanation:

Given that, for length, $l$ feet, the time period, $f(l)$ , of the pendulum is

$f(l)=2\pi\sqrt{(l)/(32)}$ .

As the time period equals the time taken by the pendulum in one back and forth motion, so, actually, the given $2.4\pi$ seconds to swing back and forth is the time period.

Let $l_0$ feet be the length of the pendulum for the time period $2.4\pi$ seconds, so

$f(l_0)=2.4\pi$

$\Rightarrow 2\pi\sqrt{(l_0)/(32)}=2.4\pi$

$\Rightarrow \sqrt{(l_))/(32)}=1.2$

$\Rightarrow (l_0)/(32)=(1.2)^2$ [squaring on both the sides]

$\Rightarrow l_0=1.44*32$

$\Rightarrow l_0=46.08$

Hence, the approximate length of a pendulum that takes $2.4 \pi$ seconds to swing back and forth is 46.08 feet.

Answer:

the answer is d on edge 2020

Step-by-step explanation:

Help asap please !!!

Answers

The answer is B

Step-by-step explanation:

3/4 + 1/8 =7/8

A.5/8 + 1/8 = 3/4

B.6/8 + 1/8 = 7/8

C.3/12 + 1/12 = 1/3

D.9/12 + 1/12 = 5/6

F is between C and B. If CF = 7x+4, FB = 10x -69, and CB = 12x -25. Find x and CF

Answers

Answer:

x = 8
CF = 60

Step-by-step explanation:

CF + FB = CB

(7x+4) +(10x-69) = (12x-25)

5x = 40 . . . . . . . . add 65-12x

x = 8 . . . . . . . . . . divide by 5

CF = 7x +4 = 7(8) +4 . . . . use the x value in the expression for CF

CF = 60

Mrs. Laser is building a new space for her chickens. She has 80 feet of fencing. What is the greatest fencing area she could create using fencing?

Answers

Answer:

400 ft^2

Step-by-step explanation:

It can be shown that a square area is the most efficient way in which to use fencing. If the area is not square, the area will inevitably be smaller.

Calculus is the tool most often used in higher math to solve optimization problems.

But the same goal can be achieved in this problem by working with constraints:

If x and y are the length and width respectively, then

2x + 2y = 80 ft, or x + y = 40, or x = 40 - y. This is one constraint.

The other constraint involves the area: A = x*y, or A = (40 - y)*y. To maximize this, we need to rewrite (40 - y)*y in standard form:

A = 40y - y^2, or, finally, A = -y^2 + 40 y. The coefficients of this quadratic are -1, 40 and 0; the axis of symmetry is thus

x = -b/ [2a], or, in this case, x = -40/[2*(-1)], or x = 20.

Thus, If x = 20, y = 20 also, proving that the shape of the enclosed yard is that of a square.

Then Mrs. L' 80 feet of fencing is sufficient to construct a 20 ft by 20 ft space, which comes out to a maximum area of 400 ft^2.

40 -

400ft hope this helps you out

For a science experiment, Mr. Barrows divides 3/4 cup of salt into small jars, each containing 1/10 cup. If he has 1/7 cup of salt left over, how many jars does he fill? Enter an expression you could use to solve the problem.

Answers

Answer:

Kindly check explanation

Step-by-step explanation:

Given that :

Initial cup of salt = 3/4 cups ; divided into small jars

Fraction of salt in small jars = 1/10 cup

Fraction left over = 1/7 cup

Number of jars filled?

The fraction divided into the jars :

Initial amount - left over

3/4 - 1/7

(21 - 4) / 28

17 / 28

Fraction of salt per jar = 1/10

Number of jars filled :

Total fraction divided into jars / fraction of salt per jar :

(17 / 28) ÷ (1 /10)

(17 / 28) * (10 / 1)

170 / 28

= 6.0714

= 6 jars

What part of the circumference is an arc whose measure is 30°?a.1/12
b.1/10
c.1/8
d.1/6

Answers

Circumference of a circle:
C = 2 r π;
Length of an arc:
L = r π α / 180°
L = r π · 30° / 180° = r π /6
r π /6 : 2 r π = 1/6 : 2 = 1/12
Answer: A ) 1/12

Other Questions

If g(x) =x2 + 2 find g(3)

What is the zero function of f(x)=x+10

How many quarts does it take to fill a kitchen sink

Can someone help me with this one.i will give you a brainlist if you give the answers. thanks!