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vlada-n [284]
3 years ago
6

5x - 2y please give an explanation once you’ve figured out the answer

Mathematics
1 answer:
BigorU [14]3 years ago
8 0

5x - 2y

When x = -2 and y = 3

5(-2) - 2(3)

5 * -2 = -10

2 * 3 = 3

-10 - 6 = -16

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Naomi and Hudson work at a dry cleaners ironing shirts. Naomi can iron 35 shirts
IceJOKER [234]

Answer:

n, h = Naomi's and Hudson's work hours, respectively

n + h = 13

35n +20h = 395

Step-by-step explanation:

We are asked for the number of work hours of Naomi and Hudson. It is convenient to define the variables n and h to represent those hours, respectively. Then the system of equations is ...

 n + h = 13 . . . . . . . . . . . . total work hours

 35n +20h = 395 . . . . . . total shirts ironed

_____

The solution is Naomi worked 9 hours; Hudson worked 4 hours.

6 0
3 years ago
I neeeed help
VARVARA [1.3K]

Step-by-step explanation:

[ Refer to the attachment ]

6 0
3 years ago
PLEASE HELP!! Ill mark the brainliest!!!!
ira [324]

Answer:

x = 5√2

y = 5√6

z = 5√3

ΔABC ~ ΔBDC ~ ΔADB

Step-by-step explanation:

ΔABC, ΔBDC, and ΔADB are all similar triangles to each other.

By definition of similar triangles, the corresponding sides have the same ratios.

CD from ΔBDC corresponds to BD from ΔADB, and BD from ΔBDC corresponds to AD from ΔADB. So:

CD / BD = BD / AD

10 / x = x / 5

x² = 50

x = 5√2

Since ΔBDC is right, we can use the Pythagorean Theorem to solve for y:

CD² + BD² = BC²

10² + (5√2)² = y²

y² = 100 + 50 = 150

y = 5√6

Again, since ΔΔABD is right, we can use the Pythagorean Theorem to solve for z:

AD² + BD² = AB²

5² + (5√2)² = z²

z² = 25 + 50 = 75

z = 5√3

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