Mary is 21 years old. Her age is 9 years more than 3 times Henry’s age. Which equation can be used to determine x, Henry’s age in years?

HELP ASAP PLEASE

A: 3x + 9 = 21
B: 21 + x = 3(9)
C: 9 + 21 = 3x
D: x + 9 = 21

Answers

Answer 1

Answer:

i think its a

Step-by-step explanation:

Answer 2

Answer:

21 = 9+3x or A

Step-by-step explanation:

the answer is a :)


Related Questions

Lucita does the division problem 3.302 ÷ -1.27, and gets -0.026. She doesn't understand this result because she had estimated the answer to be -3. What was Lucita's mistake?
A: Lucita's estimate is too low.
B:The decimal point should be to the left of the 2.
C:The decimal point should be to the left of the 6.
D:Lucita's estimate is too high.
Thank you to those who end up helping, xx

Answers

Lucita does the division problem. My dad told me you divide the biggest number. (3.302) with the little valued number (1.27) She doesn't understand not because (A) her estimate is too low.

So that leaves A eliminated.

It shouldn't be B because, you have to count the numbers to the left of the decimal.

So that leaves B eliminated.

Let's talk about D, Her estimate is too high. But, take a risk. Either choose C or D. Good luck! I really think this would help thanks to my dad's method.

What is the slope of this line?

−36
negative 3 sixths

−2
negative 2

−12

Answers

Answer:

its -2

Step-by-step explanation:

Answer:

-2

Step-by-step explanation:

The rise is -6 and the run is 3.

[tex]\frac{rise}{run}= \frac{-6}{3}[/tex]

-6 divided by 3 is -2.

Hope this helps :)

Ankur estimated the quotient of 15 and one-third divided by (negative 4 and two-thirds) to be 3. Which best describes his error?
Ankur multiplied the compatible numbers 15 and –3.
Ankur found that the quotient of a positive number and a negative number is negative.
Ankur found that the quotient of a positive number and a negative number is positive.
Ankur added the compatible numbers 15 and –3.

Answers

Answer:

123/78

Step-by-step explanation:

Answer:

its C, Ankur found that the quotient of a positive number and a negative number is positive.

Step-by-step explanation:

i got it right on edge

Find an expressiom for the shaded region. Simplify.

Answers

Answer:

x is 2 x is 1 2x-2=0 x-2 =1

Yes that is the answer

Evaluate if x=5 x^2+10

Answers

Answer:

[tex]35[/tex]

Step-by-step explanation:

To evaluate the expression:

[tex]x^2+10[/tex]

First, consider the given information:

[tex]x=5[/tex]

Substitute the given value of [tex]x[/tex] into the expression:

[tex]5^2+10[/tex]

(Note that [tex]5^2[/tex] is the same as [tex]5*5[/tex])

[tex]5*5=25[/tex]

[tex]5^2=25[/tex]

Add:

[tex]25+10=[/tex]

[tex]35[/tex]

-

We can check our work by setting our solution equal to the initial expression:

[tex]x^2+10=35[/tex]

Substitute [tex]x[/tex] for its given value:

[tex]5^2+10=35[/tex]

Simplify [tex]5^2[/tex]:

[tex]25+10=35[/tex]

Add:

[tex]35=35[/tex]

Since both sides of the equation are equal, our solution is correct!

Answer:

35

Step-by-step explanation:

Because X=5, the equation is literally just asking 5x5=10. So, following the order of operations, I would do 5x5 first which equals 25 plus 10. Since 25+10=35.  The answer is 35. Hope this helps! :p


Let x represent the number of adults entering the movie theater and let y represent the cost,in dollars,of admission to the movie theater.Write an equation to illustrate the relationship between the number of adults entering the theater and the cost in dollars for admission

Answers

The correct answer is YES hope this helped
The answer is yes hopefully I’m right

PLEASE ANSWER ASAP! I ONLY HAVE 2 DAYS LEFT UNTIL MY COURSE ENDS AND I NEED TO GET MY GRADE UP TO B!!!

Answers

Step-by-step explanation:

81 - 1.2x <= 55

81 <= 55 + 1.2x

1.2x >= 26

x >= 26/1.2

x >= 21.66... (A)

Answer:

A

Step-by-step explanation:

Hope this helps

Which of the following are true statements about the expression -9 + 9
A The expression describes the number that is 9 to the left of -9 on the number line.
B The expression describes the number that is 9 to the right of -9 on the number line.
C The expression equals -18
D The expression equals 0

Answers

Answer

D

Explanation:

The expression equals zero
D the expression equals 0

Harper earned $10 for 2 hours of work in her yard. At this same rate, how much would Harper earn if she worked 6 hours?

Your answer:

$20


$30


$35


$37.50

Answers

Answer:

30$

Step-by-step explanation:

10/2=5 5 is how much she earns for 1hour of work.

5x6= 30

Money in a particular savings account increases by about 6% after a year. How much money will be in the account after one year if the initial amount is $100?

Answers

Answer:

hjhg

Step-by-step explanation:

Answer:

106

Step-by-step explanation:

6% • 100

0.06 • 100 = 6

6 + 100

106

What is the answer to 4x+3x+x
I don't know but and it's 7x+x or just 7x

Answers

Answer:

7

Step-by-step explanation:

it’s 7x+x because the x counts as a 1 so it can’t just disappear

Tristan is selling plastic and wooden picture frames. He sells 7 frames total. The number of plastic frames Tristan sells is 5 less than twice the number of wooden frames. How many of each type of frame does Tristan sell?

Answers

Answer:

4 wooden and 3 plastic

Step-by-step explanation:

4 (wooden) × 2 - 5 = 3 plastic

3 (plastic) + 4 (wooden) = 7 total

The number of plastic frames is 4 and the number of wooden frames is 3.

What is equation?

A formula known as an equation uses the equals sign to denote the equality of two expressions.

Given statement:

The number of plastic frames Tristan sells is 5 less than twice the number of wooden frames.

The total number of frames sold by Tristan is 7.

Write the equation for the above statement,

p = 2w - 5

Here, p is a plastic frame and w is a wooden frame,

p + w = 7

Solve the equation by using the elimination method,

p = 4 and w = 3

Therefore, the number of plastic frames is 4 and the number of wooden frames is 3.

To know more about equation:

https://brainly.com/question/12788590

#SPJ2

In the expression shown "p" represents a rational number.

4p
`what value of "p" makes the expression equal a number less than 4?

Answers

Answer:

Is it supposed to be in in an equation?

Step-by-step explanation:

The answer is c
Trust me on this one

On the map below, city p and city q are 5.5 centimeters (cm) apart. What is the actual distance between city p and city q? 2cm= 35 miles

Answers

Answer:

96.25

Step-by-step explanation:

5.5/2=2.75

2.75x35=96.25

Ok so 2cm = 35 miles
Meaning ONE centimeter is 35/2, or, 17.5 miles of actual distance
And half, or 0.5 of a centimeter is 17.5/2 or 35/4, which is 8.75 miles
5 centimeters is 2 + 2 + 1 + 0.5
(35 miles) plus (35 miles) plus (17.5 miles) plus (8.75 miles) which would add up to be 96.25 miles

To subtract integers you…
Pls, tell me the steps to subtract integers IN YOUR OWN WORDS PLS.

Answers

Answer:

Steps on How to Subtract Integers!

1. Keep the first number!

2. Change the operation from subtraction to addition!

3. Get the opposite sign of the second number!

4. Proceed with the regular addition of integers!

Step-by-step explanation:

1. Don't change the first number

2. Change  subtraction  to addition

 3. Get the opposite sign of the subtrahend

4. Go with the normal addition of integers

Find the retail price if original price is 75$ and the markdown is 15%

Answers

Answer:

$63.75

Step-by-step explanation:

Answer:63.75

Step-by-step explanation:

Use this table of average number of three-point shots per game: graph the points, then choose the sentence that best describes this function.
Year Attempts
1991 28.0
1992 29.8
1993 33.0
1994 34.3
1995 34.0
The average number of three-point shots has increased since 1991.
The average number of three-point shots has remained unchanged since 1991.
The average number of three-point shots increased, then decreased greatly since 1991.
The average number of three-point shots has decreased since 1991.

Answers

Answer:1999 29.9

Step-by-step explanation:

Answer:

The average number of three-point shots has increased since 1991.

Step-by-step explanation:

I just took the test (your welcome)

(◠﹏◠)

Plz and thank you I need help

Answers

Answer:

ummm there is nothing

Step-by-step explanation:

it’s not working right :/

On a coordinate and point A is at (-3.0 -5.4) and point B is at (-3.0, 5.4) Point B is a reflection of point A across the -axis. Input either a lowercase x or y

Answers

Answer:

reflection of y-axis

Step-by-step explanation:


Reflection of y-axis

Write and simplify an expression that represents the perimeter of the parallelogram.

Answers

Answer:

14 x+8

Step-by-step explanation:

Parallelogram:  A parallelogram is a special type  of quadrilateral  in which opposite sides are equal and parallel.

We have to find  the perimeter of parallelogram

Perimeter of parallelogram= sum of all four sides

Let first side= 3 x+9

Second side= 4 x-5

third side= 3 x+9

fourth side side= 4 x-5(opposite sides of parallelogram are equal)

Perimeter=  3 x+9+ 4 x-5+ 3 x+9+ 4 x-5+

Perimeter= 14 x+ 8

Answer:

14 x+8

Step-by-step explanation:

Find the diameter of a circle with a circumference of 162π yd

Please help!
Thank you! :)

Answers

Answer: Isn't a circle always 360??

Step-by-step explanation:

Answer:

d ≈ 51.57

Sorry if this is not helpful.

Which of the following expressions has a simplified value of 3a – 2?



HELP ME PLEASE X(

Answers

The answer would be A i hope this helped
The best answer would be B.

PLEASE HELP ME



Find the slope and y-intercept of the following graph.

Answers

The slope is 2/3 (4/6) and the y-intercept is 3

Answer:

y-intercept: 3

slope: 2/3

Step-by-step explanation:

The y-intercept is the point that crosses the y-axis. In this case the y-intercept is 3.

When figuring out the slope, there are some methods. I am going to be using the rise over run method. Start at one point and go up and over untill it hits another point on a graph. Start at (-3,1). Go up 4. Go over 6. You will land on the point (3,5).  Your answer will be 4/6. Simplify 4/6 and then you will get 2/3.

What is -4 1/6 x 3/5?

Answers

Answer:

Step-by-step explanation:

-5/2 hopefully this helps.

Please help me I will give you the brain thing and extra points (image below) 3/5

Answers

The answer is D! your Y is going down my 5 and your X is going up by 3 which makes it -5/3 . It’s -5/3 because (x,y) is coordinates and y/x is for fractions

For the function y = 4x – 2, what is the value of the function when x is equal to -3?
14
-14
-10
10

Answers

Answer:

-14

Step-by-step explanation:im in 8thgrade plus this  4x  4 -3   -12 -2=-14 bam easy

plus

-14 I believe tell me if it’s wrong

Isabelle is plotted a pentagon on a grid. So far, she has plotted and connected the three points shown on the grid below. To complete the pentagon, she can choose only from the points below.
(2.0) (-2,0), (-2, 4), (2, 4)
How can Isabelle complete her pentagon?
Connect the point already at (0-2) to a new point at (2.0), and then connect
(2.0) to (-2,4)
Connect the point already at (0-2) to a new point at (-2, 0), and then connect (-2, 0) to (-2. 4).
Connect the point already at (0-2) to a new point at (-2, 0), connect (-2, 0) to (24), and then connect (2,4)
to (-2.4)
Connect the point already at (0-2) to a new point at (2.0), connect
(20) to (2.4) and then connect (2.4) to (-2. 4)
Mark this and retum
Save and Exit
Nex
Sub
C

Answers

Answer:

Isabelle is plotting a pentagon on a grid.

So far, she has plotted and connected the three points shown on the grid below.

On a coordinate plane, lines connect points (negative 2, 4), (negative 3, 2), and (0, negative 2).

To find:

To complete the pentagon, choosing only from the points below. (2, 0), (–2, 0), (–2, 4), (2, 4).

How can Isabelle complete her pentagon?

Solution:

Consider the attached figure, while going through the following steps.

A five sided polygon is called the pentagon.

As Isabelle already plotted and connected the three points, we need to connect the remaining 2 points to obtain a pentagon.

So, from the attached figure, it's clear that, Isabelle needs to connect the points (2, 0) and (2, 4).

By plotting and connecting these above points, Isabelle can complete her pentagon.

Step-by-step explanation:

above, hope this helps!

What is the sum of 2/5 and -4/5?

A. -4/5
B. -2/5
C. 2/5
D. 4/5

Answers

Answer:

C

Step-by-step explanation:

Answer:

2/5 + (-4/5) = -2/5!

⭐ Please consider brainliest! ⭐

Step-by-step explanation:

stop! please help my teachers are very strict and this needs to be turned in in two hour could you help me out?

1. Mr. Colvin drove 1,268 miles in 12 hours. What was his average unit rate of speed in miles per hour? Round to the nearest tenth.

2.True or False: The fraction 3/4 is the same representation as 75%.

3. Put these values in order from least to greatest. 2/3, 80%, 0.25, 1.

;w;

Answers

1) 0.1
2) true
3) 0.25, 2/3, 80%, 1

The Hendersons went on a driving vacation. They decided to travel 1/3 of the distance on the first day. Owing to bad weather, they had to stop for the night having gone only 1/4 of the distance to the one-third point.
What fraction of the total distance did they travel the first day? Show your work and reduce to lowest terms.


Howie works at a petting zoo. He fed a piglet 1/5 of a bottle of milk, then gave 3/4 of what was left to a calf.
How much of the bottle of milk did the calf drink? Show your work and reduce to lowest terms.

Nathan used 2(5/6) loaves of bread to make sandwiches for a lunch. He made equal numbers of 4 different types of sandwiches.
What fraction of a loaf of bread did Nathan use for each type of sandwich?

Answers

Answer:

A)

[tex]\displaystyle \frac{1}{12}[/tex]

B)

[tex]\displaystyle \frac{3}{5}[/tex]

C)

[tex]\displaystyle \frac{17}{24}[/tex]

Step-by-step explanation:

Part A)

The Hendersons were traveling 1/3 of the distance on the first day.

However, they had to stop, having only traveled 1/4 of the 1/3 distance.

So, we can multiply the two fractions together.

Therefore, the fraction of the total distance they traveled is given by:

[tex]\displaystyle \frac{1}{4}\times\frac{1}{3}=\frac{1}{12}[/tex]

The Hendersons traveled 1/12 of the total distance.

Part B)

We are assuming the bottle of milk was full at the beginning.

So, at the beginning, there were 1/1 bottle of milk left.

Howie fed a piglet 1/5 of the bottle. So, there is now:

[tex]\displaystyle 1-\frac{1}{5}[/tex]

Of the bottle left.

Making common denominators and subtracting yields:

[tex]\displaystyle =\frac{5}{5}-\frac{1}{5}=\frac{4}{5}[/tex]

So, after feeding the piglet, 4/5 of the bottle of milk was still there.

3/4 of the remainder was fed to a calf.

So, the amount that was fed to the calf is 3/4 times 4/5. Therefore:

[tex]\displaystyle \frac{3}{4}\times\frac{4}{5}[/tex]

Multiply:

[tex]\displaystyle =\frac{12}{20}=\frac{3}{5}[/tex]

So, the calf drank 3/5 of the bottle of milk.

Part C)

Nathan used 2 (5/6) loaves of bread to make 4 sandwiches.

First, convert 2 (5/6) to an improper fraction. So:

[tex]\displaystyle 2\frac{5}{6}=\frac{12+5}{6}=\frac{17}{6}[/tex]

Nathan made 4 sandwiches using this. So, we will divide this by 4. Note that this is the same as multiplying by 1/4. Therefore:

[tex]\displaystyle \frac{17}{6}\times\frac{1}{4}=\frac{17}{24}[/tex]

So, Nathan used 17/24 loaves of bread per sandwich.

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