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
mixer [17]
4 years ago
5

3. A test has 20 questions worth 100 points total. The test consists of True/False questions worth 4 points each and multiple ch

oice questions worth 8 points each
C. Solve the system to determine how many questions of each type there are on the test. You may use any method, but you must show your work.
Mathematics
2 answers:
Aleks [24]4 years ago
7 0

Answer:


x+y=20

4x+8y=100

x=-2y+25

x=-y+20

-2y+25=-y+20

-y=-5

y=5

x=15

There are 15 true/false questions and 5 multiple choice questions



Cerrena [4.2K]4 years ago
3 0
X+y=20
4x+8y=100
x=-2y+25
x=-y+20
-2y+25=-y+20
-y=-5
y=5
x=15
There are 15 true/false questions and 5 multiple choice questions

You might be interested in
Which statement describes a situation that can be represented by an exponential function?
swat32

Answer: c

Step-by-step explanation:

5 0
3 years ago
What 2 numbers add up to get -1 and multiply to get -20
Dovator [93]
The two numbers that add up to get -1 and multiply to get -20 are -5 and 4
-5*4=-20
-5+4=-1
I hope this helps
3 0
3 years ago
140°<br> 6x + 20<br> Solve for x
yan [13]

Answer:

140

Step-by-step explanation:

7 0
3 years ago
What is (2+y)³ written out?
Aleksandr-060686 [28]
{ \left( 2+y \right)  }^{ 3 }\\ \\ =\left( 2+y \right) \left( 2+y \right) \left( 2+y \right) \\ \\ =\left( 2+y \right) \left( 4+4y+{ y }^{ 2 } \right)

\\ \\ =2\left( 4+4y+{ y }^{ 2 } \right) +y\left( 4+4y+{ y }^{ 2 } \right) \\ \\ =8+8y+2{ y }^{ 2 }+4y+4{ y }^{ 2 }+{ y }^{ 3 }\\ \\ ={ y }^{ 3 }+6{ y }^{ 2 }+12y+8
5 0
3 years ago
If c(x) = 4x – 2 and d(x) = x^2 + 5x, what is (c * d) (x)?
anyanavicka [17]

Answer:

(4x - 2)(x^2 + 5x)

4x^3 + 20x^2 - 2x^2 - 10x

4x^3 + 18x^2 - 10x

Step-by-step explanation:

7 0
3 years ago
Other questions:
  • What is - 1/8 as a terminating decimal
    6·1 answer
  • The LA Dodgers hit the most homeruns in 2014. The number of homeruns accounted for 6% of the entire Major League Baseball home r
    12·2 answers
  • Using the illustration below, calculate the area of the circle.
    10·1 answer
  • 50 POINTS HELP HELP PLZ
    15·2 answers
  • Which one of the following groups of numbers includes all prime numbers? A. 7, 17, 63, 67 B. 3, 11, 23, 31 C. 1, 3, 11, 23 D. 2,
    12·2 answers
  • At a candy store, Erika bought 3 kilograms of cinnamon red hots and 1 kilogram of gummy bears for $21.00. Meanwhile, Irene bough
    7·1 answer
  • Mark wants to fence 4 rectangular gardens, each with a length of feet and a width of feet. What is the total length of fencing M
    14·1 answer
  • Select the correct word or phrase that completes this sentence. Least squares regression is a method that minimizes the sum of t
    5·1 answer
  • Emmanuel went to Circuit City to buy a refrigerator for $3,652. This week at Circuit City, all kitchen appliances have a discoun
    9·1 answer
  • What book has the solution in it?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!