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posledela
2 years ago
14

Which expression is equivalent to (2x + 7x*) - (5x² - 4x)?

Mathematics
1 answer:
Westkost [7]2 years ago
3 0

Answer:

5x^2 + 13x

Step-by-step explanation:

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Katrina drinks 0.5 gallons of water per day which expression shows how to find the number of cups of water she drinks in a week
kobusy [5.1K]

Answer:

56 cups of water

Step-by-step explanation:

Katrina drinks 0.5 gallons of water per day

We have 7 days in a week, hence, the number of gallons of water she drinks per week is calculated as:

1 day = 0.5 gallons

7 days = x

Cross Multiply

1 day × x = 7 days × 0.5 gallons

x = 7 days × 0.5 gallons/1 day

x = 3.5 gallons

Note that 16 cups = 1 gallon

The number of cups of water she drinks per week is

1 gallon = 16 cups

3.5 gallons = x

Cross Multiply

1 gallons × x = 3.5 gallons × 16 cups

x = 3.5 gallons × 16 cups/1 gallons

x = 56 cups

Therefore, Katrina drinks 56 cups of water in a week

3 0
2 years ago
8
Nimfa-mama [501]
3
—
-2
because the answer is 6 over -4 and it simplified is that answer.
3 0
3 years ago
Stephen and Jahmya are having lunch. Stephen buys a garden salad ($2.29) a veggie burger ($4.75) and a lemonade ($1.29). Jahmya
Illusion [34]
Stephen's lunch was $8.33 and Jahmya's lunch was $7.48. Stephen's lunch cost more, by 85¢. If Jahmya leaves a tip, she receives $18.25 back. Hope this helps God Bless!
7 0
3 years ago
Mindy opens a bank account with $55 and start saving five dollars per week. Sean’s grandma gives him $100 for his birthday, but
sveticcg [70]

Answer:

3 weeks, $45

Step-by-step explanation:

So we can make an equation!

55+5x=100-10x

So solving for x,

X=3

4 0
3 years ago
Homework #16- Complete all odd questions.
katen-ka-za [31]

                                                      Question 1)

Given

The expression is 5xy

To determine

Find the value of 5xy if x = 2 and y = 3

5xy

substitute x = 2 and y = 3

5xy = 5(2)(3)

      = 5(6)

      = 30

Therefore, the value of 5xy = 30 if x = 2 and y = 3.

<em>Note: your remaining questions are not mentioned. But, the procedure may remain the same. Hopefully, your concept will be cleared anyway.</em>

8 0
3 years ago
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