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9966 [12]
3 years ago
11

What is tan 30°? | sa" зо“ - - оооооо - 5 3 ~|

Mathematics
1 answer:
Mnenie [13.5K]3 years ago
4 0

Answer:

E

Step-by-step explanation:

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Jina is saving money to buy a bike. She has $63 and is going to save an additional $9 each week. The bike costs $198. In how man
Cerrena [4.2K]

Answer:

Jina will have enough money to buy the bike in 15 weeks

Step-by-step explanation:

y = mx + b

198 = 9x + 63

Subtract 63 from both sides;

135 = 9x

Divide both sides by 9;

x = 15

3 0
3 years ago
I know this problem is not too complicated but i wasnt sure if i was right
Grace [21]
Hi there!

So -5 1/2 + 7 3/4 is 
Improper fraction: 9/4
Decimal: 2.25
Mixed Number: 2 1/4
8 0
3 years ago
Read 2 more answers
Once upon a time, there was a former whose family raised pigs and chickens. One morning, the farmer's wife looked into the barny
Fed [463]

Using a system of equations, it is found that:

  • There are 8 chickens in the yard.
  • There are 16 pigs in the yard.

-----------------------------------------

This question is solved using a system of equations. I am going to say that:

  • x is the number of chickens.
  • y is the number of pigs.

-----------------------------------------

  • A chicken has 1 head, as do a pig.
  • There are 24 heads.

Thus:

x + y = 24 \rightarrow y = 24 - x

-----------------------------------------

  • A chicken has 2 feet.
  • A pig has 4 feet.
  • In total, there are 80 feet.

Thus:

2x + 4y = 80

-----------------------------------------

Number of chicken:

Since y = 24 - x

2x + 4y = 80

2x + 4(24 - x) = 80

2x + 96 - 4x = 80

2x = 16

x = \frac{16}{2}

x = 8

There are 8 chickens in the yard.

-----------------------------------------

Number of pigs:

y = 24 - x = 24 - 8 = 16

There are 16 pigs in the yard.

A similar problem is given at brainly.com/question/24104709

8 0
3 years ago
Height: 15 ft <br> area: 285 square feet <br><br> find the missing dimension for the triangle
seraphim [82]
A=1/2 B×h
285=1/2×B×15
B=38 feet, so the base of the triangle is 38 feet. Hope it help!
4 0
3 years ago
David drove 70 miles in 1.75 hours how long would it take to reach 120 miles if he maitains his average speed
vovikov84 [41]
3 hours would be the answer I think.
6 0
3 years ago
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