Answer: 46
Step-by-step explanation:
percentage scored = 92
number of correct question = x
total number of questions = 50
The formula for calculating the percentage scored
= number of correct question / total number of questions x 100
That is
92 = 
x 
cross multiplying :
x 
dividing through by 100 , we have
Therefore, she got 46 questions right
Answer:
the probability to select both marbles to be red is 36% round up to the nearest whole number.
Step-by-step explanation:
Answer:
25 degrees
Step-by-step explanation:
85 +x-10 + 2x=180
85-10+3x=180
75+3x=180
3x=105
x=35
35-10=25
9514 1404 393
Answer:
a) 2
b) left: 3; lower right: 5
c) upper right: 53°; bottom: 82°
Step-by-step explanation:
<h3>3.</h3>
a) The top side of polygon B is 5 units; the corresponding top side of polygon A is 2.5 units, so the dimensions of polygon A are multiplied by the scale factor 5/2.5 = 2 to give the dimensions of polygon B.
the scale factor is 2
__
b) Sides of polygon B are 2 times the length of the corresponding side of polygon A.
left side: 2×1.5 = 3
lower right side: 2×2.5 = 5
__
c) Corresponding angles of similar figures are congruent.
upper right angle: 53°
bottom angle: 82°
___
4.
The arithmetic of problem 4 is correct as shown.
Answer: 143 packages
Step-by-step explanation: You divide 9,438 by 66
