3 years ago

PLEASE HELP DUE SOON MORE POINTS IF CORRECT!!

Mathematics

2 answers:

SVETLANKA909090 [29]3 years ago

5 0

Answer:

y=4x+35

Step-by-step explanation:

yuradex [85]3 years ago

4 0

Okay I’m sorry but this is wownsukan enosksbeksn e skxoosnwbd

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K- 3/10 = 2/5 What does k equal

Vesna [10]

Answer:

k = 7/10

or as a decimal is 0.7

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3 years ago

Tickets to a concert cost $2 for children, $3 for teenagers and $5 for adults. When 570 people attended the concert, the total t

Ilia_Sergeevich [38]

Answer: 220

Step-by-step explanation:

Children (x): $2

Teens (y): $3, $\frac{3}{4}x$

Adults: (z): $5

Quantity: x + y + z = 570 ⇒ x + $\frac{3}{4}x$ + z = 570 ⇒ 1.75x + z = 570

Cost: 2x + 3y + 5z = 1950 ⇒ 2x + 3 $(\frac{3}{4}x)$ + 5z = 1950 ⇒ 2x + 2.25x + 5z = 1950 ⇒ 4.25x + 5z = 1950

Qty: 1.75x + z = 570 → 5(1.75x + z = 570) → 8.75x + 5z = 2850

Cost: 4.25x + 5z = 1950 → -1(4.25x + 5z = 1950 → -4.25x - 5z = -1950

4.50x = 900

x = 200

Teens (y): $\frac{3}{4}x$

y = $\frac{3}{4}(200)$

= $\frac{600}{4}$

= 150

Quantity: x + y + z = 570

200 + 150 + z = 570

350 + z = 570

z = 220

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3 years ago

Vincent borrowed $500 from Mitchell for six months how much interest will Michelle earn if he charges Vincent a simple interest

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Michelle will earn $15 from the interest rate.

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3 years ago

Keveni can travel 221/2 miles in 1/3 hours what is his average speed in miles per hour

Alborosie

So I have 2 answers here they are.

key: 1/3hours =20 min

221÷2=110.5÷20=5.525

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I hope this helps!

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3 years ago

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