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Lubov Fominskaja [6]
3 years ago
7

Really easy question pls healp emergency

Mathematics
1 answer:
Solnce55 [7]3 years ago
8 0

Answer:

well if you divide 2.50 / 35 coins it will equal 14 .

Step-by-step explanation:

but but I'm not sure if it's division or multiplication

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U xy, for u = 2, x = 9, and y = 6
Yuki888 [10]
First thing you gotta do is to sub in the numbers into the equation/expression
<span>uxy = (2)(9)(6)
</span>      = 108

* brackets means multiplying

Final answer is 108
8 0
3 years ago
I don’t understand number 4
kobusy [5.1K]
1.75
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3 0
3 years ago
Read 2 more answers
1. The sum of the real numbers x and y is 15. Their
Brut [27]

Answer:

x = 9

y = 6

Step-by-step explanation:

Let's set up equations:

x + y = 15

x - y = 3

Let's rearrange one of these equations to use the substitution method:

x - y = 3

Add y to each side:

x = y + 3

Substitute in for x:

x + y = 15

y + 3 + y = 15

Combine like terms:

( y + y ) + 3 = 15

2y + 3 = 15

Subtract 3 from each side:

2y = 12

Divide each side by 2:

y = 6

Substitute this in to find the other variable:

x + y = 15

x + 6 = 15

Subtract 6 from each side:

x = 9

6 0
2 years ago
A pharmacist has 40% and 60iodine solutions on hand. How many liters of each iodine solutions will be required to produce 4 lite
Schach [20]

A pharmacist has 40% and 80% of iodine solutions on hand. How many liters of each iodine solution will be required to produce 4 liters of a 50% iodine mixture?

.

Let x = liters of 40% iodine

then

4-x = liters of 80% iodine

Using algebra:

.40x + .80(4-x) = .50(4)

.40x + 3.20-.80x = 2

3.20-.40x = 2

x = 4 liters (40% iodine)

80% iodine:

4-x = 4-4 = 0 liters needed (80% iodine)

4 0
3 years ago
What is The productöt 9 and 5/8 ?
Karolina [17]

Answer: 45/8 or 5 5/8

Step-by-step explanation:

9   5 = 45

1    8 = 8

45/8=5 and 5/8

8 0
2 years ago
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