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iragen [17]
2 years ago
8

Use the elimination method to solve the system of equations. Choose the correct ordered pair

Mathematics
1 answer:
olchik [2.2K]2 years ago
3 0

Answer:

B

Step-by-step explanation:

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A group of adults and students went on a class trip to Washington, DC. The number of male students was 1 more than 7 times the n
liberstina [14]
Given:
adults = x
male = 7x + 1
female = (7x + 1)/2
total number of people = 82

x + (7x + 1) + [(7x +1)/2] = 82
2x/2 + (14x + 2)/2 + (7x + 1)/2 = 82
2x + 14x + 2 + 7x + 1 = 82 * 2
23x + 3 = 164
23x = 164 - 3
23x = 161
x = 161/23
x = 7

adults = x = 7
males = 7x + 1 = 7(7) + 1 = 49 + 1 = 50
females = (7x+1)/2 = 50/2 = 25

7 + 50 + 25 = 82

6 0
3 years ago
angel is picking mountain blueberries for a delicious pie. she can pick 1/6 cup of blueberries in 2 minutes. if she needs 2 1/2
Vadim26 [7]
I would take her 30 minutes
3 0
3 years ago
Choose an angle or point from the preimage and name its image
Ksenya-84 [330]

From the preimage, the angle or point I choose is P and I name its image as: P maps to P’.

 

The set of all elements of the domain that map to the members of S is the inverse image or preimage of a particular subset S of the codomain of a function.

4 0
3 years ago
What is a detailed example of simple interest?
Sonbull [250]

Answer:

Car loans, amortized monthly, and retailer installment loans, also calculated monthly, are examples of simple interest; as the loan balance dips with each monthly payment, so does the interest. Certificates of deposit (CDs) pay a specific amount in interest on a set date, representing simple interest

5 0
3 years ago
Create a ratio table for making lemonade with a lemon juice to water of ratio of 1:3 show how much lemon juice would be needed i
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There is 1 serving of lemon juice to 3 cups water. Hence why it's 1:3 ratio.

Since it's 1:3, then 2 servings to 6 cups of water, so on and so forth.

Multiply your lemon juice servings by 3 to find out how many cups of water for the table.

To find how much lemon juice for 36 cups of water, just divide 36 by 3 to get 12. 12 servings of lemon juice is just right for your 36 cups of water.

8 0
3 years ago
Read 2 more answers
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