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Scilla [17]
3 years ago
14

Using a sheet of graph paper, solve the following system of equations graphically. x+y=0 x-y+2=0

Mathematics
1 answer:
motikmotik3 years ago
7 0

Answer:

(-1, 1)

Step-by-step explanation:

I used a graphing tool to graph the two lines. When graphed, the lines intercept at point (-1,1). Therefore, it is the solution to the system of equations.

Hope this helps.

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Chee is flying a kite, holding her hands a distance of 3.25 feet above the ground and
Mademuasel [1]

The height of the kite above the ground is 58.68 ft

Let x be the height of the kite above Chee's hand.

The height of the kite above Chee's hand, the string and the horizontal distance between Chee and the kite form a right angled triangle with hypotenuse side, the length of the string and opposite side the height of the kite above Chee's hand.

Since we have the angle of elevation from her hand to the kite is 29°, and the length of the string is 100 ft.

From trigonometric ratios, we have

tan29° = x/100

So, x = 100tan29°

x = 100 × 0.5543

x = 55.43 ft.

Since Chee's hand is y = 3.25 ft above the ground, the height of the kite above the ground, L = x + y

= 55.43 ft + 3.25 ft

= 58.68 ft to the nearest hundredth of a foot

So, the height of the kite above the ground is 58.68 ft

Learn more about height of kite above the ground here:

brainly.com/question/14350740

6 0
3 years ago
An aircraft is timetabled to travel from a to b. due to bad weather it flies from a to c then from c to b, where ab and cb make
DochEvi [55]

Answer:240.5

Step-by-step explanation:

Angle C = 87°(calculated)

AB=C

AC=220=b

Sine laws c\sin87=220\66

c=240.5

3 0
2 years ago
Dan can run 1000 meters in 5 minutes how many can he run in 2 minutes
Rudik [331]

Answer:

800 m

Step-by-step explanation:

6 0
4 years ago
Read 2 more answers
Give the rate in miles per hour. Round to the nearest tenth.<br> Caroline walks 9 inches per second.
True [87]
Answer: 360 miles per hour…………………
8 0
3 years ago
Pls help asap thank you
Sati [7]

Use the Pythagorean theorem to find the height.

Height = sqrt(26^2-10^2)

Height = 24 cm

Volume = 20^2 x 24/3

Volume = 7,200 cm^3

7 0
3 years ago
Read 2 more answers
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