1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
disa [49]
3 years ago
15

At the family reunion there were 15 more family members there this year than at the last family reunion. There were 46 people at

this year’s family reunion. How many family members came to the last family reunion? Write a paragraph explaining what strategy or strategies could be used to solve this problem. Be sure to include a way in which a variable equation could be implemented:
Mathematics
2 answers:
Kobotan [32]3 years ago
4 0

31 people came last year, I know this because I removed 15 from 46 which equals to 31. This can be done in many ways either by subtraction or by finding the value of x. So, we all know that 31+x = 46 to find the value of x we have to add 15. So, 31+15 = 46 therefore the answer is 31 people came last year.

Hope this helps!

Kipish [7]3 years ago
3 0
The equation would be x+15=46. I came up with this equation because we are given the total number of people at the reunion this year and we know how many more people are here this year than last year. The unknown is the number of people last year. That is why x would represent the number of people at the reunion last year because that is the unknown. If we add 15 to the number of people last year, it will give us 46( the number of people at the reunion this year).
To find x, we just use opposite operation to get the answer. Opposite of addition is subtraction so, we subtract the number of more people and the reunion this year from the total number of people at the reunion to get the unknown number of people at the reunion last year. 46-15 is 31. Therefore we know that 31 people were at the reunion last year
You might be interested in
Countering a cost $9.40 per sales tax. After sales tax, it cost $9.87. What is the sales tax rate?
Nady [450]
STEP 1:
find the sales tax (decimal form)

x= sales tax

Cost + (Cost * Sales Tax)= Total
plug in known numbers

$9.40 + ($9.40 * x)= $9.87

9.40 + 9.40x= 9.87
subtract 9.40 from both sides

9.40x= 0.47
divide both sides by 9.40

x= 0.47/9.40

x= 0.05 sales tax decimal form


STEP 2:
find sales tax percentage

= 0.05 * 100
or move decimal to the right two decimal places

= 5% sales tax percent form


ANSWER: The sales tax is 5% (or 0.05 in decimal form)

Hope this helps! :)
6 0
3 years ago
Read 2 more answers
A family has two cars. the first car has a fuel efficiency of 30 miles per gallon of gas and the second has a fuel efficiency of
jeka57 [31]
X : the gas used by first car in 1 particular week
y : the gas used by second car in 1 particular week
x + y = 60 \\ x = 60 - y
30x + 35y = 1975 \\ 30 \times (60 - y) + 35y = 1975 \\ ... \\ y = 35 \\ x = 60 - y = 60 - 35 = 25

5 0
3 years ago
A production plant cost-control engineer is responsible for cost reduction. One of the costly items in his plant is the amount o
Ann [662]

Answer:

248.96

Step-by-step explanation:

From this regression output we have the MS Residual or mean squared error to be equal to 61983.1

the question requires us to find the standard error of the estimate. The standard error of the estimate can be gotten by finding the square root of the MSE.

\sqrt{61983.1}

= 248.96

the standard error of the estimate = 248.96

thank you!

6 0
3 years ago
4. Find the value of 8 + 12 + 4 + 6 x 1 + 2. Guys I am doing a test and I need help!!
skelet666 [1.2K]
32 is the correct answer I believe if using PEMDAS method
6 0
2 years ago
Histograms in mathh<br> I need help with it because I am clueless!
shutvik [7]
Total number of squares = 60 + 80 + 110 + 115 + 95 + 40 = 500
1000/500 = 2 so each little square represents 2 people
60 x 2 as there’s 60 squares from 6-10 so answer is 120
4 0
3 years ago
Other questions:
  • Please help! Thank you. I will mark brainliest if correct.
    14·2 answers
  • Drag each expression to the correct location on the table. Not all expressions will be used.
    10·1 answer
  • Simplify 3 square root of 5 end root minus 2 square root of 7 end root plus square root of 45 end root minus square root of 28.
    5·2 answers
  • a rectangle has a length of 8ft and a width of 6ft. if its length and width increase by 50% each, what is the area of the new re
    14·1 answer
  • Plss help quick its easy
    8·1 answer
  • Denise sold 24 more dresses in January than in February and 10 fewer dresses in March than in January. In March she sold 28 dres
    10·1 answer
  • Simplify. Show your work.<br><br> (3x−5)(2x+7)
    10·2 answers
  • The Thomas' backyard pool is
    7·1 answer
  • PLSSSSSSSSSSSSSSSS HELP PPLLASSSSSSSS
    13·2 answers
  • 4. If m23 = 54°, find each measure.
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!