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Aleks [24]
3 years ago
6

8. Molly builds a rectangular exercise pen for her hamsters.

Mathematics
2 answers:
soldier1979 [14.2K]3 years ago
6 0

Answer:

B-90

Step-by-step explanation:

(30*2)+(15*2)

60+30=90

andrew11 [14]3 years ago
5 0
B. 90. The perimeter is 30+30+15+15=90
You might be interested in
April sold 75 tickets to the school Christmas play and collected $495. If adult tickets cost $8 and children tickets were $5 how
riadik2000 [5.3K]

Answer:

Step-by-step explanation:

~First we have to write our two equations that are:

1. 8x+5y=$495(becoz the no. of adult tickets is unknown and children is unknown we use variables instead and multiplying them with the amount of money for each gives us 495)

2. x+y=75( No. of adult tickets and children altogether gives us 75)

~Use the substitution method by using any of the equations and putting the variable you want as the subject and then putting its values in the next equation:

x+y=75

x=75-y

~Substitute to find y(no. of children’s ticket)

8x+5y=495

8(75-y)+5y=495

600-8y+5y=495

-8y+5y=495-600

-3y=-105

y=-105/-3

y=35

Therefore, the no. of children tickets is 35.

~Substituting y in the substitution equation(x=75-y):

x=75-35

x=40

Therefor no. of tickets sold to adults is 40.

~Final answers:

Adults=40

Children=35

5 0
4 years ago
Read 2 more answers
What is the slope of this line?
Sloan [31]
The slope of the line is -1
4 0
3 years ago
Read 2 more answers
California has a land area of 163,676 mi2 and a population of 39.51 million people. Find the population density of California to
guajiro [1.7K]

Answer:

(A)241.4 people per mi²

Step-by-step explanation:

California's Population=39.51 million=39,510,000

California's Land Area=163,676 mi²

Population Density=Population ÷Area

=39,510,000÷163,676

=241.39

≈241.4 people per mi² (correct to the nearest tenth)

5 0
3 years ago
Which expression is equivalent to 9^5
pochemuha

The expression that is equivalent to 9^5 is 3^2

5 0
4 years ago
add simplify if possible I've already posted this once and I don't know what the answer was correct as somebody can do this I wi
elena55 [62]

Answer: 15 + 53/77


Step-by-step explanation:


Multiplying a fraction by 1 does not change the value.

Any number divided by itself is 1.

For instance, 11/11 = 7/7 = 1.


12 + 1/7 + 3 + 6/11 = 15 + 1/7 + 6/11

= 15 + (11×1)/(11×7) + (7×6)/(7×11)

= 15 + 11/77 + (6×7)/77

= 15 + (11 + 6×7)/77

= 15 + 53/77


It is faster to make sure to multiply by the "smallest" form of one that will work, but you don't have to. You only need to make sure that at the end there are no common factors in numerator and denominator, and that numerator is smaller than denominator.

6 0
4 years ago
Read 2 more answers
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