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
blondinia [14]
3 years ago
8

your test grades are 85,74, and 91. What is the lowest grade you can get on the next test and have an average of at least 80

Mathematics
2 answers:
wariber [46]3 years ago
8 0

Answer:

Lowest grade is 70.

Step-by-step explanation:

To have an average of 80 the total score is 4 * 80 = 320.

So the score for the next test must be  320  - (85 + 74 + 91)

= 70.

max2010maxim [7]3 years ago
5 0

Answer:

70

Step-by-step explanation:

You might be interested in
30 POINTS IF YOU ANSWER. WILL MARK BRAINLIEST!!! PLEASE ANSWER SOON
Ksenya-84 [330]

Answer:

22 people

Step-by-step explanation:

Using the concept of a Venn Diagram, you place the 3 people in the intersection. Then, you subtract the three from both groups to keep the balance.

Since you said "or", you just add the entirety of the population.

(16 - 3) + (9 - 3) + 3 = 22

7 0
3 years ago
Read 2 more answers
Simplify 3(x+2=5).Explain how you found your answer
Simora [160]

Answer:

3(x+2=5)

=3(x=5-2)

=3(x=3)

=3(3)

=3×3

=9

3 0
3 years ago
4b-1=-9 solve the equation
tatiyna
4b-1=-9\ \ \ |+1\\\\4b=-8\ \ \ |:4\\\\b=-2
4 0
3 years ago
Read 2 more answers
Vector bought 15.6 pounds of paintballs. all together, the balls cost 35.99. About how much dis the psinballs cost per pound?
Maslowich

Answer:

$2.31 / lb

Step-by-step explanation:

If Vector bought 15.6 lbs of paintballs, and altogether the balls cost $35.99.

If we want to find out how much the paintballs cost per pound, we need to  divide out the cost

$35.99 / 15.6 lbs

2.307 $/lb

We can round this to $2.31 / lb

8 0
3 years ago
What is 1/100 of 650
marishachu [46]
This is easy young one it is 6.5 because you move the decimal place 2 places to the left when dividing by 100
<span />
5 0
3 years ago
Other questions:
  • Select the correct answer for the blank: If everything else stays the same, the required sample size ____ as the confidence leve
    9·1 answer
  • 1. 1-(-3) =
    11·2 answers
  • Verify that QT is Parallel to RS using the triangle proportionality theorem.
    14·1 answer
  • Write 7/10 as a sum of fractions two different ways
    8·1 answer
  • Henry bought pound of roasted almonds for $5. He wants to know the price per pound. What is the price per pound?
    9·2 answers
  • Can someone help me??? i get almost all of the unit but not this one part
    11·1 answer
  • Geometry help!! I'm confused : )
    15·1 answer
  • Select all the expressions that are the result of decreasing x by 80%
    8·1 answer
  • In △ABC, BM is a median, △BMC is equilateral and MC = 3cm. Through M is drawn line l∥AB that intersects CB at point N. Find:
    15·1 answer
  • What is the first term of the sequence 4, 12, 36, 108 which exceeds 20,000​
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!