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kipiarov [429]
3 years ago
15

How do I find x and y for the problem below? -7x+2y=-13 1x-2y=11

Mathematics
1 answer:
d1i1m1o1n [39]3 years ago
7 0
For the first one :)))))))

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To celebrate her birthday, Whitney wants to take her friends adventuring in a 4WD vehicle from All Terrain Tours.
IgorC [24]

Answer:

Whitney can bring <u>6 friends.</u>

Step-by-step explanation:

The reason why is this:

Whitney is bringing 400 pounds of things plus <u>her own body weight! </u>

400 + 165 = 565 pounds

Now we add on Whitneys freinds which is <u>165 (their body weight) + the 10 pounds of gear which equals 175 pounds. So each friend would be 175 pounds total weight. </u>

175 x 6 = 1,050 pounds

If we add on Whitneys total weight thats:

565 + 1,050 = 1,615

<u>Adding on another friend would be 1,790 pounds which would be over the weight limit for the vehicle. </u>

Hence, Whitney can bring along 6 friends for her birthday.

<em>Hope this helped! :)</em>

4 0
3 years ago
Using the technique in the model above, find the missing sides in this 30°-60°-90° triangle.
lina2011 [118]
For this case what you should do is use the following trigonometric relationship:
 sin (x) = C.O / h
 Where
 x: angle
 C.O: opposite leg
 h: hypotenuse
 Substituting the values we have:
 sen (60) = long / h
 sen (60) = 3 / h
 h = 3 / sin (60)
 h = 3.46
 Answer:
 h = 3.46
7 0
3 years ago
Read 2 more answers
Find the solutions to the equation below 6x^2+5-4=0
Kipish [7]

Answer:i√6/6 ,  -i√6/6

Step-by-step explanation:

6x^2+5-4=0

6x^2=-5+4

x=√-1/6

x=±i√1/60=±i√1/√6*(√6/√6)=±i√6/6

3 0
3 years ago
Algebra 2 questions
Law Incorporation [45]

Answer:

0

Step-by-step explanation:

Cancel out x-y to x^2-Y^2 and you get x+y-x-y which is 0

8 0
3 years ago
How many teaspoons are in 15 milliliters? 1 tsp = 5 mL
zhannawk [14.2K]

Answer:

Milliliters to teaspoons (mL to tsp) converter, formulas and conversion table. ... 1 mL = 0.202884 tsp; 5 mL = 1.014 tsp; 10 mL = 2.028 tsp; 15 mL = 3.04

Step-by-step explanation:

hope it helps

8 0
2 years ago
Read 2 more answers
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