2 years ago

What is the value of y? E (3y + 4) (5y-10) A.)7 B.)5.5 C.)1.75 D.)6

Mathematics

1 answer:

kow [346]2 years ago

3 0

Answer:

Step-by-step explanation:

3*7+4=25

5*7-10=25

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A store is having a sale on hats . The sale is buy one hat , get one 50% off . The original price of one is 24.98 . Alex bought

Alex73 [517]

50% of 24.98 = $12.49

24.98 + 12.49 = 37.47

187.34 / 37.47 = 5

5 x 2 hats = 10 hats

He bought 10 hats.

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3 years ago

Please show work 7r + 21 = 49r

gulaghasi [49]

Answer:

1/2 = r

Step-by-step explanation:

7r + 21 = 49r

Subtract 7r from each side

7r-7r + 21 = 49r-7r

21 = 42r

Divide each side by 2

21/42 = 42r/42

1/2 = r

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2 years ago

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Please help me with this math problem!! Will give brainliest!! NO LINKS PLEASE!! Thanks!! :)

Lady_Fox [76]

Answer:

x = 3

So,

PQ= 5

RS=6

Step-by-step explanation:

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1 year ago

Helppppppppppppppppppppp!

In-s [12.5K]

Answer:

1:3

Step-by-step explanation:

Since your scaling down you divide the smaller number by the larger number

7/21=1/3

=1:3

Hope this helps :)

5 0

2 years ago

Cost of tickets is 90. 7 adult tickets and 12 kids tickets. Kids tickets 2/3 the adult ticket. How much are adult tickets

STatiana [176]

7x+12y=90
y = 2/3x

15x=90
x = 6
6 dollars

4 0

3 years ago