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hammer [34]
3 years ago
5

I need help with these question please help me !!

Mathematics
1 answer:
Lynna [10]3 years ago
4 0
For #9 the answer would be C. 
#10 would be A. 
I can't figure out #11 
#12 would be C.
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Gloria set aside $100 to buy school lunches for the year. Each school lunch cost $2. The inequality 100 – 2x < 20 can be used
Mashutka [201]

Answer:

she would be able to buy 40 lunches

Step-by-step explanation:

Subtract  100  from both sides of the inequality

Divide each term by   −2  and simplify.

6 0
3 years ago
You missed an A in your art course by only 7 points. Your point total for the course was 371. How many points were possible in t
Nikitich [7]

The number of points that  were possible in the course is 420

What is the required number of points for grade A?

The number of points the student needs to have to make grade A is the student's current points of 371 plus the 7 points remaining to make grade A

Total points for A=371+7

total points for grade A=378

90% of the course total=378

divide both sides 90

90% /90 =378/90

1%=378/90

100%=378/90*100

100%=420

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3 0
2 years ago
12 dogs decreased by 25%
masya89 [10]

Answer:

9

Step-by-step explanation:

12-.25(12)=12-3

12-3=9

7 0
3 years ago
The domain for f(x) and g(x) is the set of all real numbers.
ahrayia [7]

Answer:

D

Step-by-step explanation:

f(x) × g(x) = (3x + 5) × x²

multiply each term in the first factor by x²

= 3x × x² +  5 × x² = 3x³ + 5x² → D


8 0
3 years ago
What does CPTCTC stand for?
Sunny_sXe [5.5K]

Answer:

Corresponding Parts of Congruent Triangles are Congruent

6 0
3 years ago
Read 2 more answers
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