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
pantera1 [17]
3 years ago
11

a student scores 71 out of 100 on a test, if the maximum score on the tests is also 100, what score does the student need to mai

ntain at least an average of 78?
Mathematics
1 answer:
Nonamiya [84]3 years ago
8 0
(71+x)/2=78
71+x=156
x=85

Th student needs to score a min of 85
You might be interested in
Solve the system of equations 2x-y=132x−y=13 and 6x+5y=-336x+5y=−33 by combining the equations.
andreyandreev [35.5K]

Answer: (2;-9).

Step-by-step explanation:

\left \{ {{2x-y=13\ |*(-3)} \atop {6x+5y=-33}} \right. \ \ \ \ \left \{ {{-6x+3y=-39} \atop {6x+5y=-33}} \right. .\\Summing\  up\  these\  equations:\\8y=-72\ |:8\\y=-9.\\2x-(-9)=13\\2x+9=13\\2x=4\ |:2\\x=2.

5 0
2 years ago
What are the slope and y-intercept for the graph of y – 7x = 10?
alex41 [277]

Answer:A. slope: 7, y-intercept: 10

Step-by-step explanation:

Transform the equation into slope intercept form, y=7x+10. In the form y=mx+b, m = slope and b = y-intercept

7 0
3 years ago
The selling price of a refrigerator, is $739.20. If the mark up is 20% of the dealers cost , what is the dealers cost of the ref
Lisa [10]

Mark up percentages are used to increase the prices of items

The dealers cost of the refrigerator is $591.36

<h3>How to determine the dealer cost</h3>

Represent the dealer cost of the refrigerator with x.

Given that the markup is 20% and the selling price of the refrigerator is $739.20, then we have the following equation

x = 739.20 * (1 - 20%)

Evaluate the product

x = 591.36

Hence, the dealers cost of the refrigerator is $591.36

Read more about mark ups at:

brainly.com/question/19104371

5 0
2 years ago
Help me with this and I'll give you brainilest!
fredd [130]

Answer:

5000

Step-by-step explanation:

Either I do it I get 5000.

Sorry if this is wrong.

5 0
3 years ago
There is 25 coins in a bag, 5 of them are quarters. What is the probability of getting a quarter? Express as all four types of p
Zina [86]

Answer:

Step-by-step explanation:

The ptobability of getting a quarter is 5/25 to the simpliest form is 1/5

The four probability is basic probability, compound event, independent and dependent event and the probability line.

I hope it'll help you much

Thank you for asking

8 0
3 years ago
Other questions:
  • A game room has a floor that is 200 feet by 40 feet. A scale drawing of the floor on grid paper uses a scale of 2 units:5 feet.
    15·1 answer
  • Is 2.125 rational or an intergers
    15·2 answers
  • The volume (v) of a sphere varies directly as the cube of its diameter (d). Write this statement in algebraic language, using an
    14·2 answers
  • Solve the equation using square roots:<br> 2x^2-17=15
    11·1 answer
  • 2 [30- (28-2)] +5<br> answer with explanation please!
    8·2 answers
  • which conversion factors are used to convert 4 km/min to meters per hour? select each correct answer. a.1 h60min b.1 km1000 m c.
    12·1 answer
  • One purpose of General T.Sherman's march to the sea was to
    5·1 answer
  • G(x) = 3x + 2<br> f(x) = 4x - 3<br> Find: f(g(x))
    5·1 answer
  • Determine an expression to represent both the perimeter and area of the following 2D shape
    6·1 answer
  • #8 HELP IM STUCK ON THIS
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!