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
Sonja [21]
3 years ago
11

The class average for the first social studies test in Hannah's class is 85%. A total of 23 students took the test. When the 24

students join the class and took the same test, the class average went up to 85.5%. What grade did the new student earn on the exam?​
Mathematics
1 answer:
BaLLatris [955]3 years ago
5 0

Answer:

73.8

Step-by-step explanation:

You might be interested in
In the middle of a park there is a fenced off area in the shape of the fence says is a square. If the area of the fenced off por
pashok25 [27]

Answer:

Step-by-step explanation:

The formula for the area of a square is A = x^2, where x is the length of one side.  Equivalently, x^2 = A.

Here x^2 = 225 yd^2.  Taking the positive square root of both sides, x = 15 yd.

Thus, the perimeter of the square area enclosed by the fence is

P = 4(15 yd) = 60 yd

3 0
3 years ago
A shop in the mall is 8 yards by 12 yards. How much would it cost to recarpet the shop with carpet that costs $2.69 per square y
valentinak56 [21]

Answer:

Step-by-step explanation:

You will first have to find the area to find the price of each square yard.

Area is 8*12 = 96. Multiply this by 2.69.

It will cost 258.24 dollars to recarpet the shop.

Let me know if this helped

7 0
2 years ago
Read 2 more answers
The Girl Scouts are selling cookies. They have made $437 so far. They need to sell more than $1000 to go on a scout retreat. Wha
beks73 [17]

Answer:they still need to make 563 or more. They still need to make more than 563

Step-by-step explanation:

6 0
3 years ago
The quantity of four minus one all raised to the five-minus- two power
leva [86]

Answer:

(4-1)^5-2

Step-by-step explanation:

The quantity means parenthesis, around four minus one, (closed quantity), all raised to the power (exponent) five minus 2

3 0
3 years ago
Read 2 more answers
Is a hexagon quadrilateral
notka56 [123]

Answer:

Yes

Step-by-step explanation:Because it has 6 sides

3 0
3 years ago
Read 2 more answers
Other questions:
  • Express your answer in smaller unit 800 m 35 cm - 154 m 49 cm
    12·1 answer
  • Solve: -3x + 12 = -18
    15·2 answers
  • 7 is ten times the value of?
    8·2 answers
  • In a box full of fruits there are oranges, apples, and pears in the ratio of 2:5:6. What is the total weight of the fruits in th
    15·2 answers
  • What is the solution to the system of equations?
    7·1 answer
  • - (A) The following data was received from the Student Affairs Unit of the University
    11·1 answer
  • How do you find the vertex of a rectangle?
    5·1 answer
  • Please help me with my delta math work
    15·1 answer
  • Evaluate a-b if a=10 and b=-7​
    11·1 answer
  • 7 7/10 + 6 2/3 help please
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!