Mathematics High School

Solve for x.
Enter your answer in the box.
X=

Answers

Answer 1

Answer:

x = 30

Step-by-step explanation:

2x - 6

----------- = 9

2x - 6

----------- = 9(6)

6(6)

2x - 6 = 54

+6 +6

2x = 60

÷2 ÷2

x = 30

I hope this helps!

Related Questions

The number of visitors to a website in the first week is 40. The number of visitors each week is double the number of visitors the previous week. What is the total number of visitors to the website in the first 8 weeks? Show your work.

Answers

For example, in the second week is
40 x 2 = 80.
In the third week, 40 x 2^2 = 160
So, In the eight week it is 40 x 2^7 = 5120.

Express the following ratio: 20 inches to 2 feet in its simplest form. Hint: 1 feet = 12 inches

Answers

Answer:

5 inches : 6 inches

Step-by-step explanation:

20 inches : 2 feet

Use Hint: 1 feet = 12 inches

20 inches : 2·12 = 24 inches

Find the simplest form of 20 inches : 24 inches

20 inches : 24 inches , divide both numbers by 2

10 inches : 12 inches, divide both numbers by 2 again

5 inches : 6 inches

A hot-air balloon is released at ground level, and it rises into the air at a constant rate. After 5 seconds the height of the balloon is 20 feet. The balloon continues to rise at the same rate. Which table shows the relationship between the time in seconds, x, and the height of the balloon in feet, y?

Answers

The constant rate = 20 ft / 5 seconds = 4 feet per second

Find the chart that shows an increase of 4 feet for every second the balloon travels.

The height of the balloon over time is modeled by the linear equation y = 4x, so, the accurate choice is option D.

What are linear equations?

A linear equation arises when multiple variables are connected, resulting in a linear model when graphed. This model is characterized by having a degree of one for each variable involved.

Imagine a hot air balloon taking off from the ground, ascending at a consistent speed. After 5 seconds, its altitude reaches 20 feet. The balloon maintains this rate of ascent.

The rate per second is calculated as follows:

m = 20/ 5

m = 4 ft/sec

Consequently, the equation is formulated as:

y = 4x

For x = 10 seconds, the corresponding y value will be:

y = 4 × 10

y = 40 ft

Similarly, for

x = 20 seconds:

y = 4 × 20

y = 80 ft

Hence, the linear equation representing the balloon's height over time is

y = 4x. The accurate option among the choices is D.

Find out more on linear equation here: https://brainly.com/question/2030026

#SPJ3

Gabby has a goal to finish covering the field before 12 hours have
elapsed. She will use any remaining time to water the field. After 1 hour
has elapsed, she has covered 4,000 square yards of the field.
Explain why Gabby will be able to meet her goal by working at this rate. As
part of the explanation, determine the amount of time, in hours, Gabby
will have to water the field.

Answers

Gabby has a goal to finish covering the field before 12 hours have
elapsed.
Explain why Gabby will be able to meet her goal by working at this rate. As
part of the explanation, determine the amount of time, in hours, Gabby
will have to water the field.

what’s the volume 9m,8m,9m

Answers

Answer:

9 x 8/2 = 36 l 36 x 9 = Volume

Step-by-step explanation:

we know base is a triangle to to find volume is area of the base times the height and on the right side of the figure, (look at photo) the height is 9 so just do 36 times 9 to get the volume.

hope this helps :D have a good night!

d) The phys-ed. department bought a total
of 27 bats and balls for the baseball team.
Three times the number of bats minus
the number of balls is 21. Find the
number of bats and balls.

Answers

Hey can’t you give more details maybe a pic of the problem or question

[30 PTS!!] Using mathematically precise language, explain in detail how you would multiply the complex number [tex]z_1=r_1(cos[/tex]θ[tex]_1+i sin[/tex]θ[tex]_1)[/tex] with the complex number [tex]z_2=r_2(cos[/tex]θ[tex]_2+isin[/tex]θ[tex]_2)[/tex].

Answers

Multiplying z₁ and z₂ involves calculating their products

The product of z₁ and z₂ is r₁r₂(cos(Θ₁ + Θ₂) + isin(Θ₁ + Θ₂))

How to multiply the complex numbers?

The numbers are given as:

z₁ = r₁(cosΘ₁ + isinΘ₁)

z₂ = r₂(cosΘ₂ + isinΘ₂)

The product is represented as:

z₁ * z₂ = r₁(cosΘ₁ + isinΘ₁) * r₂(cosΘ₂ + isinΘ₂)

This gives

z₁ * z₂ = r₁r₂(cosΘ₁ + isinΘ₁) (cosΘ₂ + isinΘ₂)

Expand

z₁ * z₂ = r₁r₂(cosΘ₁cosΘ₂ + icosΘ₁sinΘ₂+ isinΘ₁cosΘ₂ + i²sinΘ₁sinΘ₂ )

In complex numbers,

i² = -1.

So, we have:

z₁ * z₂ = r₁r₂(cosΘ₁cosΘ₂ + icosΘ₁sinΘ₂+ isinΘ₁cosΘ₂ - sinΘ₁sinΘ₂ )

Rewrite as:

z₁ * z₂ = r₁r₂(cosΘ₁cosΘ₂ - sinΘ₁sinΘ₂ + icosΘ₁sinΘ₂+ isinΘ₁cosΘ₂ )

Apply sine and cosine ratios

z₁ * z₂ = r₁r₂(cos(Θ₁ + Θ₂) + isin(Θ₁ + Θ₂))

Hence, the product of z₁ and z₂ is r₁r₂(cos(Θ₁ + Θ₂) + isin(Θ₁ + Θ₂))

Answers

Answer:

C. { - 1, 2}

Step-by-step explanation:

The first two steps solved and the last step to be performed

Solve the quadratic equation

x² - 3x + 12 = - 2x + 14x² - 3x + 2x + 12 - 14 = 0x² - x - 2 = 0x² - 2x + x - 2 = 0x(x - 2) + (x - 2) = 0(x - 2)(x + 1) = 0x - 2 = 0 ⇒ x = 2x + 1 = 0 ⇒ x = - 1

The solution is:

{ - 1, 2}

Correct choice is C

Solving from step 3

-2x+14=x²-3x+12x²-3x+2x-2=0x²-x-2=0(x-2)(x+1)=0x=2 or -1

Option C

If a=2, b= -1 and c=1, then find the value of:
A- a+b-c²
B- a³-b+c
C- a-b-c

Answers

Answer:

Step-by-step explanation:

A. 2 + -1 - 1^2 = 1 - 1 = 0

B. 2^3 - -1 + 1 = 8 + 1 + 1 = 10.

C. 2 - -1 - 1 = 2 + 1 - 1 = 2.

A- a+b-c²

=2+(-1-1)^2

=1-1

B- a³-b+c

2^3-(-1+1)

=8+1+1

= 10

C- a-b-c

2-(-1-1)

=2+1-1

Find the center and radius of the circle represented by the equation below.
(x + 5)² + (y – 5)² = 225
1
Center:
Radius:

Answers

Answer: the center is (-5, 5) and the radius is 15

Step-by-step explanation:

the standard form of a circle is

(x-h)^2 + (y-k)^2 = r ^2 where h is the x coordinate and k is the y coordinate of the center of the circle

(h,k) = the center of the circle

r = radius

therefore,

(x+5)^2 + (y-5)^2 = 225 means that x has to be -5 since subtracting a negative creates a positive and y must be 5 as it is negative in the equation

think of it as making the sum/difference 0 within the parentheses:

(x+5) -5+5 = 0 so x=-5

(y-5) 5-5 = 0 so y =5

so the center of the circle is (-5,5)

the radius is simply 225 square rooted which is 15

hope this helps :)

The first four terms of a geometric sequence are 2, 6, 18 and 54.
What is the 8th term?

Answers

Answer:

take a common ratio which is 3 then from general thterm of G.P whose Gn=G1r^n-1 then G8=2×3^7=2×2187=4374 therefore G8=4374

credit card cash advance
borrow: $300
rate: 18% per year
time: 6 months-,5
300
6

Answers

Answer:

Assuming the question is how much interest you will pay in the given time frame with the given terms.

Step-by-step explanation:

Borrowed $300

18% per yr = 18/12 = 1.5% per month

You borrowed for 6 months so you will end up paying 1.5%*6 =9% in interest

$300*(9% or 0.09) = $27 in interest paid + $300 in principal paid if paid off in 6 months.

Total $327.

If this was an economics class you would also have to factor in the depreciation of the principal amount month to month with minimum payments but I am guessing this is just a basic question so the above answer is correct enough.

Help me with this please

Answers

Answer:

Step-by-step explanation:

its b bc its inclusive and rhe others font make much sense

In quadrilateral two angles are equal. The third angle is equal to the sum of the two equal angles. The fourth angle is 60degrees less than twice the sum of the other three angles. Find the measures of the angles in the quadrilateral.

Answers

Answer: 35, 35, 70, and 220

Step-by-step explanation:

– Let x = size of one of the two equal angles

The sum of angles in a quadrilateral is 360:

360 = x+ x + ( x+x ) x (2( x+ x+ x+x ) – 60)

360 = 4 + 2(4 ) – 60

360 = 4 + 8 – 60

360 = 12 – 60

12x = 420

= 35

Substituting x for 35, will get: 35, 35, 70, 220

The values of the angles are 35°, 35°, 70° and 220°

How many 5-digit numbers contain at least one 3?

Answers

Answer:

37,512

Step-by-step explanation:

Total # of 5 -digit numbers =9×104=90,000

Total # of 5 -digit numbers that do not contain 3=8×94=52,488

Total # of 5 -digit numbers that contain at least one 3=90,000−52,488=37,512

I need help with this

Answers

Answer:

75%

Step-by-step explanation:

It's over 50% and it's definitely not 100%

25. The sales tax rates 7.25
Part A How much taxis added on an item that costs $56.007
Part B $36.25 in taxis added to the price of an item, what was the original price of the item? pie y pie

Answers

Answer:

A:60.14

B:3,379.95

Step-by-step explanation:

I assume that .007 is supposed to be .07

56.07*1.0725=60.14

36.25 is 1.0725 of ...

3,379.95

36.25 * 0.010725

Expand & simplify
5
(
p
+
5
)
+
6
(
p
+
6
)

Answers

5(p+5) + 6(p+6)

First step: Distribute (PEMDAS --> Parenthesis)

5p + 25 + 6p + 36 Now, combine like terms

11p + 61

Thus, the answer is 11p + 61

[tex]5(p+5)+6(p+6)\\\\=5p+25+6p+36\\\\=11p+61[/tex]

PLSSSSS HELP, PLS HELP, WILL MARK BRIANLIEST IF YOU HELP!!!!!

Answers

Answer:

the answer is B.

Step-by-step explanation:

Which of the following is the best estimate for the mass of an adult rabbit?
2g, 3 kg, 200 g,
200 g, 40 kg, 50g

Answers

Answer:

50 g

Step-by-step explanation:

Calculate the side lengths using the given scale.
Someone please help me!!

Answers

Answer:

x = 12 cm

y = 2 cm

Step-by-step explanation:

Length is G are 3 times the lengths in H.

Lengths in H are 1/3 the lengths in G.

x = 3 × 4 cm = 12 cm

y = 6 cm / 3 = 2 cm

The Speed of the machine boat is 150 km per hour. How far does the machine boat go in five and a half hours?

Answers

Answer:

825km

Step-by-step explanation:

150km/h= distance/11/2 hours

150km/h divide by 11/2 hours

=825km

Answer:

825km

Step-by-step explanation:

We have the rule: speed=distance/time

in this question you are asked to calculate the distance covered by the machine boat.

so we deduce from the above rule: distance=speed*time

Given: speed=150km/hr time=5.5hr distance=??

Solution: distance=150x5.5 = 825km

HELP PLEASE!!!! <3

Algebraically find the slope and the y-intercept of 3y - 8 = 2x.

thank you!!

Answers

Answer:

slope = 2/3 y intercept = 8/3

Step-by-step explanation:

re-arrange to slope intercept form y = mx + b

3y = 2x + 8

y = 2/3 x + 8 / 3

Answer:

[tex]Slope=\frac{2}{3}[/tex]

[tex]Y-Intercept=\frac{8}{3}[/tex]

Hope This Helps! :)

h(t)=50− 5th, left parenthesis, t, right parenthesis, equals, 50, minus, start fraction, t, divided by, 5, end fraction
h(35)=h(35)=

Answers

Answer:

H(t) = 50 - t/5

h(35)=50-35/5

=50-7

=43

h(35) = 43

Please help! You can do ittt! Offering brainliest+ 20 points!

Answers

Answer: question 9 is 3/12

Step-by-step explanation:

what is complement of cot 30°?

Answers

Step-by-step explanation:

cot ( 90⁰ - 30⁰ )

cot (90 - √3)

√3 - 90

what is the volume of this shape?

Answers

Answer:

480 [tex]cm^2[/tex]

Step-by-step explanation:

8 x 6 x 10

Length x Width x Height.

$9,000 is invested in a stock that loses 3%/yr on average. What is its worth after 6 years? Value:

Answers

It would be worth $7496.75 after 6 years

2. How many lines of symmetry does this shape have?

Answers

Answer:

it has three lines of symmetry

Step-by-step explanation:

Answer:

one line of symmetry

Step-by-step explanation:

The following graph shows the low temperatures for the past six nights. What was the low temperature for Saturday?

Answers

Answer:

31° F

Step-by-step explanation:

Although it is hard to see, Saturday's low temperature is approximately 31°. This is evident in its relative position to Friday's temperature, which measures 30° F -- Saturday is just one degree higher.

Hope this helps!

Answer:31

Step-by-step explanation:

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Solve for x. Enter your answer in the box. X=

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Solve for x.
Enter your answer in the box.
X=