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
Nana76 [90]
4 years ago
14

30 POINTS 7TH GRADE MATH! There are 15 girls in your class this year. That is a 15% increase from last year.

Mathematics
1 answer:
klio [65]4 years ago
6 0

Answer:

g/15 = 100/115 so g = 13

Step-by-step explanation:

a 15 percent increase means that there is now 115% of what there was last time. normally its 100% so the ratio is 100:115 and the ratio of gorls is g:15. since the ratios are equal multiply 100/115 by 15 to get g so 13

You might be interested in
Can someone help me with this question please.
Tatiana [17]

Answer:

25.38 pounds for three roll

Step-by-step explanation:

Find and then compare the unit prices:

9.21 pounds per roll

25.38 pounds for three rolls =>  8.46 pounds per roll

42.85 pounds for five rolls  =>  8.57 pounds per roll

Conclusion:  25.38 pounds for three rolls corresponds to the lowest (cheapest) unit price and is thus the best buy.

4 0
4 years ago
Wth I don't know any of these!
Fed [463]
-4.6, -0.7, 4/8

Least to greatest
4 0
3 years ago
Read 2 more answers
A farmer plants apple, pear and cherry trees
gogolik [260]
? is there any more context to the question?
8 0
3 years ago
Using the right triangle<br> Find the value of x'<br> 13<br> X<br> 12
sineoko [7]

Answer:

5

Step-by-step explanation:

Apply Pythagorean theorem

13 {}^{2}  = 12 {}^{2}  + x {}^{2}  \\ 169 = 144 + x {}^{2}  \\ x {}^{2}  = 169 - 144 \\ x {}^{2}  = 25 \\ x =  \sqrt{25}  \\ x = 5

4 0
3 years ago
Find the equation of the linear function represented by the table
Maru [420]

Answer:

Step-by-step explanation:

(1, 2) (2, 7)

(7-2)/(2 - 1) = 5/1= 5

y - 2 = 5(x - 1)

y - 2 = 5x - 5

y = 5x - 3

8 0
3 years ago
Other questions:
  • How do you get 6,300,00 using the digits 1-7 to creat a seven-digit number that can be rounded to 6,300,000?
    14·1 answer
  • The Pythagorean theorem is true for some right triangles, but not all.
    9·2 answers
  • Marissa has taken four 100-point tests in math this semester. Her mean score is 89%. How many points has she scored altogether o
    14·1 answer
  • What is 3/22 step by step?
    6·1 answer
  • What is 30% off of 25??
    7·2 answers
  • 1.87268 in expanded form
    11·1 answer
  • N= 3.7. 12.8 + 6(n - 0.5)
    15·1 answer
  • 1: The number of hours, h, spent studying and the score s, on a test (find the independent variable and the dependent variable.
    11·1 answer
  • Kayden is the youngest of four siblings whose ages are consecutive integers. if the sum of their ages is 90, find kayden's age.
    12·1 answer
  • Use yours formula to find the missing number of faces edges 15 vertices 9
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!