Answers
Answer:
It'll take 11 years till they're the same
Related Questions
Regina’s teacher recently gave her a homework assignment on solving equations. Since she has been thinking about saving for a new cell phone, she decided to use the assignment as an opportunity to model a savings plan.
She created this equation to model the situation. In it, y represents the total amount saved for the new cell phone, 74 is the amount of money she has now, 40 is the amount of money she saves each month for the phone, and x represents the number of months since she started saving a regular amount:
74 + 40x = y.
She then solved the equation to determine how many months she’d need to save to have enough to purchase the new cell phone. Review her work, and select the error.
Answers
Answer:
The answer is 4.
Step-by-step explanation:
In her solution, there is an error in step 4. She used the multiplication property of equality but its a division property.
Given that,
A solution is given, we have to review the solution and mark the steps that contain an error.
In mathematics, it deals with numbers of operations according to the statements.
Here,
In the solution, every step is accurate and correct, except for step 4. she divided the equality by 40 and she wrote the step as multiplication property of equality which is wrong the correct statement for step 4 is the division property of equality.
Thus, in her solution, there is an error in step 4. She used the multiplication property of equality but its a division property.
Learn more about arithmetic here:
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If Mark takes 7 hours to paint a house and Hanna takes 5 hours to paint the same house, how much time will it take both of them to paint the house? Please explain!
Answers
Answer:
2 hours and 42 minutes
Step-by-step explanation:
we can see that both people are painting the same house, however 1 person goes faster than the other one
lets start by putting our numbers into fractions then finding a like value. 35 in this case. 1/7 equals 5/35 and 1/5 equals 7/35 now we add these together and get 13/35. our next step is to flip this to 35/13 and take put any whole numbers. in this case 2 whole numbers can be made
leaving
9/13
(0.69)
converting this to minutes is 42 minutes.
4. Which expression is equivalent to x 2+ 5x – 24?
(1) (x + 3)(x – 8) (3) (x – 3)(x + 8)
(2) (x – 2)(x + 12) (4) (x + 2)(x – 12)
Answers
Answer:
4
Step-by-step explanation:
Naomi and Claire are painting a mural. Naomi paints 2 square feet per hour and has already painted 16.5 square feet.
Claire paints 4 square feet per hour and has already painted 7.5 square feet.
How many more hours will it take for Naomi and Claire to paint an equal total number of square feet?
Answers
Answer:
4 hours
Step-by-step explanation:
16.5+x2
7.5+x4
16.5+2=17.5+2=19.5+2=21.5+2=23.5
7.5+4=11.5+4=15.5+4=19.5+4=23.5
A large bag of peanuts weighs 2.25 pounds. How many ounces of peanuts are in the bag?
Answers
Answer:
36 ounces
Step-by-step explanation:
There are 16 ounces in a pound so what you have to do is multiply, here's what the equation could look like.
2.25 x 16 = 36
Hope that helps and have a great day!
2. Solve the system by substitution. (1 point)
2x – y + z = -4
z = 5
-2x + 3y - 2 = -10
O(-8,7,5)
O(-8. -7,5)
O(8, -7,5)
O(-8, -7,-5)
Answers
Answer:
Answer for this one is second one (-8,-7,5)
Step-by-step explanation:
Hope it will help you :)
The quotation of 3÷3/4=?
A. 3
B. 4
C. 9
D. 12
Answers
Answer: B. 4
Hope this helps you!
Given f(x)=2x+1, find the range value if the domain value is 1.75. *
Answers
Answer:
4.5
Step-by-step explanation:
Domain means that value of x and range means the value of f(x) so
[tex]f(x)=2x+1 \\f(1.75)=2(1.75)+1\\f(1.75)=4.5[/tex]
so the range value is 4.5
3x - 9(x-2) = 18x + 30
Answers
X= -1/2
Decimal form
X=-0.5
Pls mark me brainliest
what are some important things you learned about mistakes,struggle and speed that everyone your age should know ?
Answers
Answer:
It’s okay to make mistakes that’s how you learn more. The struggle isn’t always going to there just get threw it and in the end it would seem like it was worth it. And for speed move at your own speed the speed you can be your best in if you go move up the pace do it but dont be stressed out just keep going.
Step-by-step explanation:
Use deductive reasoning to show that the two triangles are congruent. given that fab is congruent to ged and c is the midpoint of ae prove that abc is congruent to edc
Answers
Answer:
ΔABC is congruent to ΔEDC by the Angle-Side-Angle congruency rule
Step-by-step explanation:
The
Statement [tex]{}[/tex] Reason
∠FAB ≅ ∠GED [tex]{}[/tex] Given
C = Midpoint of [tex]\overline {AE}[/tex] [tex]{}[/tex] Given
∠BAC and ∠FAB are supplementary Angles on a straight line
∠DEC and ∠GED are supplementary Angles on a straight line
∠BAC ≅ ∠DEC [tex]{}[/tex] Transitive property
[tex]\overline {AC}[/tex] ≅ [tex]\overline {CE}[/tex] [tex]{}[/tex] Definition of midpoint
ΔABC ≅ ΔEDC [tex]{}[/tex] ASA congruency rule
Where two angles and an included side of one triangle is congruent to the corresponding two angles and an included side of another triangle, both triangles are congruent. [tex]{}[/tex]
55 in feet and inches
Answers
Answer:
1 foot 8 inches
Step-by-step explanation:
when you went to bed the temperature was -5.5 it fell 3.4 degrees overnight what is the temperature now
Answers
Answer:
-2.1
Step-by-step explanation:
3.4 minus -5.5
Simplify the expression.
(7x4)?
(7x4)2 =
Answers
Answer:
14
Step-by-step explanation:
i took the test
Convert the following fraction to a decimal: ⅖ *
Answers
Which numbers are irrational?
144 , 15 , 81 , 54
Answers
15 and 54 are irrational.
Alan drive 210 miles using 9 gallons of gas. At this rate,how many gallons of gas would he need to drive 413 miles?
Answers
Answer:
9636.66666665,or, 9637
Step-by-step explanation:
WILL GIVE BRAINLIST
Samuel drove 28 miles in 32 minutes. Beverly drove 42 miles in 48 minutes.
Are the ratios of miles to minutes for Samuel and Beverly proportional?
Drag and drop to correctly complete the statement.
Answers
= Ratio of minutes to miles in which Samuel drove = 28 : 32
= Ratio of minutes to miles in which Beverly drove = 42 : 48
To find whether the time they drove and the distance they covered were proportional or not , let us first change them into a fraction and then simplify them .
= 28 : 32 = 28/32
= 28/32
Both the numerator and the denominator is divisible by 4 .
= 28 ÷ 4 / 32 ÷ 4
= 7/8 = 7 : 8
Samuel = 7 : 8
Beverly = 42 : 48 = 42/48
= 42/48
Both the numerator and the denominator is divisible by 6 .
= 42 ÷ 6 / 48 ÷ 6
= 7/8
Therefore, the ratio of miles to minutes drove by Samuel and Beverly is proportional , 7:8 :: 7:8
Answer:
7:8 7:8
Step-by-step explanation:
if you subtract 28 from 42 and subtract 32 from 48 then you get 14-16. then double it and you get 28-32 then add 14-16 to those again and you get 42-48. because they add up and are equal, take 14-16 and simplify it to 7:8.
I need to know the missing angles
Answers
Answer:
71
Step-by-step explanation: 2x=142
x=71
Answer:
the missing angles are 71
Step-by-step explanation:
The exterior angle of a triangle is equal to the sum of the 2 opposite interior angles.
142° is an exterior angle of the triangle, thus
x + x = 142
2x = 142 ( divide both sides by 2 )
x = 71
Ok this is my last math question so help me out here
Answers
Answer:
its 6
Step-by-step explanation:
So who wants to help mehhhhh
Answers
Answer:
I will
Step-by-step explanation:
Can someone give me an idea for a blog for class. I need a topic about things going on in the world
Answers
Answer:
I think a great one would be about Corona virus but if you dont
want to do that one another one could be population increase.
Hope this helps!
HELLLLPPPPP two questions: AND I WILL GIVE YA THE BRAINLIESTTTTT
question one: Marcos mixes 434 oz of lemonade. he wants to filll the 14 cups he has with equal amounts of lemonade.
How many lemonade should he put in each cup?
Marcos should put_____ ounces in each cup.
Question 2: Kainoa collects trading cards. he has 1,005 baseball cards, 702 basketball cards, and 885 football cards. And he wants to put them all in albums. Each page holds 18 cards.
How many pages will he need to hold all of his cards?
Kainoa will need_____ pages.
Answers
Answer:
First one 31 oz
Second one 144 pages
Step-by-step explanation:
First one
Divide 434 by 14 (434/14) to get how many oz in a cup since its 14 oz per cup and he has 434 oz
Second one
Add up all the cards since it says "all of his cards" (2592) and divide it by 18 since each page holds 18 cards
Two measures are complementary. If Angle 1 is 43 degrees and Angle 2 is (x-7) degrees, what is the value of x? Thanks!
Answers
Answer:
x = 54
Step-by-step explanation:
43 + x - 7 = 90
36 + x = 90
x = 54
3/7 = ?/35 find the unknown value in the proportion.Round to the nearest tenth if needed.
Answers
Answer:
15
Step-by-step explanation:
multiply 7 by 5 to get 35. multiply 3 by 5 and get 15.
Answer:
15
Step-by-step explanation:
3/7=?/35
cross multiply
7?=35*3
?=35*3/7
?=5*3
?=15
Evaluate the function, f(x) = 3x + 1, for f -2/3
3
7
-1
-5/9
Answers
Answer:
To find the inverse, interchange the variables and solve forplease help, 20 points !!
What is the relationship between Angle 2 and Angle 7?
Answers
Answer:
they are the same
Step-by-step explanation:
they are not diffrent because its that same
Answer:
They are alternate interior angles.
MARK ME BRAINLIEST!!
Solve for X
please & thank you
Answers
Answer:
Step-by-step explanation:
Answer:
Step-by-step explanation:
Anyone know how to do??
Answers
Answer:
30°
Step-by-step explanation:
Step 1:
2x + 10 + 4x + 80 = 180 Sum of a line
Step 2:
6x + 90 = 180 Combine Like Terms
Step 3:
6x = 90 Subtract 90 on both sides
Answer:
x = 30° Divide
Hope This Helps :)
Sarah and Henry share some sweets in the ratio 7:6 . Sarah eats 12 of her sweets and the ratio of sweets left becomes 1:2 . How many sweets did Henry have?
Answers
(7x-20) is how many sweets, Sarah has now the ratio is now 1:2
(7x-20)/6x=1/2
Cross multiply
2(7x-20)=1*6x
14x-6x=40
8x=40
x=40/8=5
5*6=30 sweets is how many Henry had
Please mark me brainliest this took me 10 minutes to type on my phone let me know if U need help with anything else