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Brilliant_brown [7]
3 years ago
11

Addy is taking a test with multiple choice and True/False questions. On the test, Addy got a total of twenty questions correct.

Addy gets five points for correct multiple-choice answers and one point for each correct True/False answer. She earned 76 points on the test. How many multiple-choice questions and how many True/False questions did Addy get correct?
Use 2 equations to find your answer

Mathematics
2 answers:
vovangra [49]3 years ago
6 0

Answer:

12 multiple choice and 8 true/false

Xelga [282]3 years ago
6 0
12 multiple choice and 8 true/false
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When focusing on wealth accumulation, the rate of return earned on an investment should be higher then the rate of inflation. Tr
Lena [83]

Answer:

True

Step-by-step explanation:

Anymore questions? :)

6 0
3 years ago
What are the x- and y- coordinates of point P on the directed line segment from K to J such that P is Three-fifths the length of
Mrrafil [7]

Answer:

\left ( \frac{3x_2+5x_1}{8},\frac{3y_2+5y_1}{8} \right )

Step-by-step explanation:

Given: P is Three-fifths the length of the line segment from K to J

To find: x- and y-coordinates of point P on the directed line segment from K to J

Solution:

Section formula:

Let point K and J be (x_1,y_1)\,,\,(x_2,y_2) such that the point p(x,y) divides KJ in ratio m:n

Then coordinates of point  P are given by \left ( \frac{mx_2+nx_1}{m+n},\frac{my_2+ny_1}{m+n} \right )

Take m:n=3:5

So,

coordinates of point P = \left ( \frac{3x_2+5x_1}{3+5},\frac{3y_2+5y_1}{3+5} \right )=\left ( \frac{3x_2+5x_1}{8},\frac{3y_2+5y_1}{8} \right )

7 0
3 years ago
PLEASE HELP! I WILL GIVE BRAINLIEST!<br> A<br> B<br> C<br> D<br> E
I am Lyosha [343]

Answer:

D

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Solve the simultaneous equation<br> 2x+4y=1<br> 3x+5y=7b
Lyrx [107]

Step-by-step explanation:

  • 3x+5y=7b equation 1
  • 2x+4y=1

2x=-4y+1

  • x=(-4y+1)/2
  • x=(-4y+1)/2 in equation 1

3×(-4y+1)/2+5y=7b

(-12y+3)/2+5y=7b

(-12y+3+10y)/2=7b

(-12y+3)/2=7b

-12y+3=14b

-12y=14b-3

  • y=3-14b/12
  • y=3-14b/12 in x=(-4y+1)/2

x=(-4×{3-14b/12}+1)/2

x=(-3+14b)/3+1/2

x=14b/3×1/2

  • x=7b/3
8 0
2 years ago
What is another way to write the expression p • (10 - 2)
Tanya [424]

Answer:

(p • 10) - (p • 2)

Step-by-step explanation:

To be doubly sure of your answer, do the actual mult.:

p(10-2) = 10p - 2p.  This is equivalent to (p • 10) - (p • 2) (Answer D).

7 0
3 years ago
Read 2 more answers
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