In order to solve for x in the equation 3x - 18 = 78, What is the FIRST step?

Answers

Answer 1

Answer:

add 18 to both sides, giving you 3x = 96


Related Questions

in the figure OP= 1 what are the coordinates of Point p​

Answers

Answer:

C. (cos θ, sin θ)

Step-by-step explanation:

The x-coordinate of P:

x/OP = cos θ ⇒ x = OP cos θ = cos θ

The y-coordinate of P:

y/OP = sin θ ⇒ y = OP sin θ  = sin θ

The coordinates of point P are:

(cos θ, sin θ)

Correct choice is C

Distance from x axis

sinØ=x/OPx=OPsinØ=sinØ

Distance from y axis

y=OP cosØy=cosØ

P(cosØ,sinØ

What is the gradient of the line that passes through the points (0,0) and (3,3)?

Answers

Answer:

1

Step-by-step explanation:

the gradient is a value that indicates how much the x value increases as the y value increases. It can be written as

rise/run

or

change in  y value/change in x value

or

(y1-y2)/(x1-x2), where we know two coordinates (x1,y1) and (x2,y2).

We have two coordinates (0,0) and (3,3)

Therefore,

x1 = 0, y1 = 0

x2 = 3, y2 = 3

If we plug these values into the formula, it is [tex]\frac{3-0}{3-0} = \frac{3}{3} = 1[/tex]

i dont understand this.

Answers

Answer: J

Step-by-step explanation:

which angles are vertical to eachother​

Answers

Answer:

∠1 and ∠4

Step-by-step explanation:

What is the measure of FBC?
Type your response below

Answers

Answer:

150

Step-by-step explanation:

Since EC is 180,

180-30=150

What is the measure of z?
Angles are not necessarily drown to scale.
B
156°
А
0
0

Answers

Answer:

The missing angle is 24 degrees

Step-by-step explanation:

The two angles form a straight line so they add to 180 degrees

x+156 = 180

Subtract 156 from each side

x+156-156 = 180- 156

x = 24

The missing angle is 24 degrees

What is the first step to solve this equation:
11 - 3x = 44

Question 3 options:

Add 3 to both sides


Add 11 to both sides


Subtract 11 from both sides


Divide 3 on both sides.

Answers

The first step to solving this equation is subtracting 11 from both sides.

PLEASE HELP MATH 10+ POINTS PLEASE

Answers

Answer:

749

Step-by-step explanation:

8349

Answer:

80

Step-by-step explanation:

There are 2 1/2 cups of milk left in a carton. Write 2 1/2 as an improper fraction.

Answers

5/2. multiply the 2 and 2 and add the extra 1/2 that was already there.

Answer:

the answer is 2 1/2

Step-by-step explanation:

I don't know I just do lol

During a game of roulette, a wheel is spun and a ball drops randomly into one of the wheel's
numbered compartments. Then the process is repeated with another random spin.

Are these two events dependent or independent?

dependent

independent

Answers

Answer:

Independent is the correct answer

Step-by-step explanation:

Hi, can someone please help me find the answer? There should be more than one and I would really appreciate it!

Answers

Answer:

A B C and F

Step-by-step explanation:

When one is over an exponent that means the exponent is negative. so then you find two exponents that equal -6 :)

Find the value of X?

Answers

Answer:

Using this to get my answer done ;)

Step-by-step explanation:

hehe

The value of X would be 18

Two functions are described below

·Function 1: y is defined as a function of x by the equation y = 3 - 3x/5.

·Function 2: y is defined as a linear function of x by the table:

X Y
-5 12
-1 7.2
2 3.6
8 -3.6


Which statement is true?

A. The y-intercept of Function 2 is half the y-intercept of Function 1.
B. The y-intercept of Function 1 is half the y-intercept of Function 2.

Answers

Answer:

The answer is B

Hope this helped ;)

Reina scored twice as many goals at her last field hockey game as she did during the first game of the season. If F represents the number of goals Reina scored during the first game, which expression represents the number of goals she scored during the last game?

Answers

the answer is b mnnnnb,me. wmr3,mfr3;kmv 2

Someone please help me I’ll give out brainliest please dont answer if you don’t know

Answers

Answer:

x = 112

Step-by-step explanation:

1/8x + 2 = 16

Subtract 2 from both sides

1/8x = 14

Multiply both sides by 8

x = 112

The China Company offers a trade-discount rate that is 4 times the complement of the trade-discount rate. If the list price is $58.75, what is the trade discount? What is the net price?

Answers

Answer: See explanation

Step-by-step explanation:

Since the complement is the difference between 100% and discount rate. Since the China Company offers a trade-discount rate that is 4 times the complement of the trade-discount rate. Therefore, the discount rate will be 80% and the complement 20%.

Therefore, the trade discount will be:

= List price × Trade discount rate

= $58.75 × 80%

= $58.75 × 0.8

= $47

Net price = List price - Trade discount

= $58.75 - $47

= $11.75

The Petri dish shown has no lid. What is the surface area of the outside of the Petri dish? Round to the nearest tenth. A cylindrical-shaped Petri dish with a radius of 50 millimeters and a height of 15 millimeters.

Answers

Answer:

12566.4 mm²

Step-by-step explanation:

The Petri dish shown has no lid. What is the surface area of the outside of the Petri dish? Round to the nearest tenth. A cylindrical-shaped Petri dish with a radius of 50 millimeters and a height of 15 millimeters.

TSA = Total Surface Area

CSA = Curved Surface Area

TSA of open cylinder = CSA of cylinder + area of base or top

= 2πrh + πr²

= πr(2h + r)

From the above question:

r = 50mm

h = 15mm

Hence,

= π × 50 (2 × 15 + 50)

= π × 50 (30 + 50)

= π × 50(80)

= π × 4000

= 12566.370614mm²

Approximately = 12566.4 mm²

The Surface Area of the petri dish with no lid = 12566.4 mm²

does anyone know the answer?

Answers

Answer:

E

Step-by-step explanation:

Answer:

It's E l did that before

The answer to this would be really greattt

Answers

Answer:

270 cm2

Step-by-step explanation:

multiply the two triangles is 60

the rectangle on the left 35

rectangle on the bottom 84

rectangle on the top 91

At a local restaurant, the amount of time that customers have to wait for their food is
normally distributed with a mean of 32 minutes and a standard deviation of 3
minutes. Using the empirical rule, determine the interval of minutes that the middle
99.7% of customers have to wait.

Answers

Answer:

.........................

Step-by-step explanation:

.................................................

Answer:

99.7% of customers have to wait between 8 minutes to 30 minutes for their food.

Step-by-step explanation:

We are given the following in the question:

Mean, μ = 18 minutes

Standard Deviation, σ = 3 minutes

We are given that the distribution of amount of time is a bell shaped distribution that is a normal distribution.

Empirical Formula:

Almost all the data lies within three standard deviation from the mean for a normally distributed data.

About 68% of data lies within one standard deviation from the mean.

About 95% of data lies within two standard deviations of the mean.

About 99.7% of data lies within three standard deviation of the mean.

Thus, 99.7% of the customers have to wait:

`

Thus, 99.7% of customers have to wait between 8 minutes to 30 minutes for their food.

hope this helps

plz can i get brainliest:)

a diagonal walkway cuts through a park bordered by two parallel streets. the parks department plans to add an additional walkway as indicated by the dashed line segment in the figure​

Answers

Answer:

42

Step-by-step explanation:

Please answer correctly! I will mark you Brainliest!

Answers

Answer:

27

Step-by-step explanation:

V=a^3=3^3=27

Find the surface area. Urgent!

Answers

Answer:

306 cm²

Step-by-step explanation:

Sorry if this is wrong doing mental math

At the craft store, Janice bought a bag of green and yellow marbles. She received 14 green marbles and 11 yellow marbles. What percentage of the marbles were green?

Answers

Answer: 56%

Step-by-step explanation:

Since Janice bought a bag of green and yellow marbles and she received 14 green marbles and 11 yellow marbles, the total number of marbles will be:

= 14 + 11 = 25 marbles

Number of Yellow marbles = 11

Number of Green marbles = 14

Total number of marbles = 25

The percentage of the marbles that were green will be:

= Number of Green marbles / Total marbles × 100

= 14/25 × 100

= 14 × 4

= 56%

HELP NOW PLEASE ANSWER COMPLETELY ACCURATE USE PAPER IF NECESSARY AND UPLOAD PHOTO TO RESPONSE I WILL GIVE BRAINLIEST PLEASE HELP

Answers

Answer:

a. y=2.50x+5

b. The y-intercept of the equation is y=5, or (0,5).

The 5 represents the "b" of the equation where she spent $5

c. The slope of the equation is 2.5 or 2/5.

the slope represents the "m" of the equation where she spent $2.50 per pound on tomatoes

d. y=mx+b

y=2.50(4)+5

y=10+5

y=$15

Step-by-step explanation:

d. y=mx+b

y=2.50(4)+5

y=10+5

y=$15

What is the area of the figure shown? 3 in. 10 in. 5 in. 10 in.​

Please I need help—

Answers

Answer:

65 in²

Step-by-step explanation:

The total area is the sum of the areas of the rectangle and the triangle:

5*10 + 1/2*10*3 = 65 in²

Answer:

area of figure =area of (rectangle+TRAINGLE)

=l×b+1/2 p×b=10×5+1/2 ×3×10=50+15=65 inch² is your answer

BRAINLIEST plus 30 points IF NO LINKS!
PLZ HELP!

Answers

The answer is quite simple just multiply the three to the floor and you’re basically the whole answer is just to write the line

Answer:

3 is A 2 is 7 or around 32 and then 1 you gotta figure it out.

Step-by-step explanation:

This may not be correct but hopefully it is..

The quotient of a number and 7 decreased by 5 is 10. Write an equation and solve it to find the missing number.

Answers

Answer:

x = 105

Step-by-step explanation:

Let the unknown (missing) number be x.

In Mathematics, quotient simply means division i.e to divide a number by another.

Thus, translating the word problem into an algebraic expression, we have;

[tex] \frac{x}{7} - 5 = 10 [/tex]

To find the value of x, we would simplify the algebraic expression.

[tex] \frac{x}{7} = 10 + 5 [/tex]

[tex] \frac{x}{7} = 15 [/tex]

Cross-multiplying, we have;

[tex] x = 15 * 7 [/tex]

x = 105

HURRRYYY PLEASEEE. A ballasted roof is flat and covered with gravel to hold the roofing material in place. Adam plans to cover the roof in the diagram with gravel.

The area that Adam plans to cover with gravel is
. If the weight of the gravel is 12 pounds per square foot, the total weight of gravel on the roof will be
.

Answers

ANSWER:

You can’t answer because there is not enough information. You can comment under here and rewrite it or whatever

MARK ME BRAINLIEST PLEASE

7/12 = 3x/9

In the equation above, what is the value of x?

A. 4/7
B. 4/21
C. 1 3/4
D. 5 1/4

Don’t link any websites please.

Answers

Answer:

C. x = 1 3/4

Step-by-step explanation:

7/12 * 9 = 3x/9 * 9

63/12 = 3x -->

(63/12) / 3 = 3x / 3

63/36 = x

x = 7/4 --> 1 3/4

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