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dexar [7]
3 years ago
13

please choose the correct answer, i will upvote all your comments! look at triangle stu: a right triangle stu is shown with the

right angle at t. the length of side st is labeled as 42 cm, and the length of side tu is labeled as 56 cm. what is the length (in centimeters) of side su of the triangle? 70 centimeters 77 centimeters 90 centimeters 98 centimeters
Mathematics
2 answers:
Nata [24]3 years ago
6 0
Since this is a right triangle, we can just use Pythagorean Theorem to solve for the side SU:

Length of Hypotenuse^2 = Length of First Leg^2 + Length of Second Leg^2
SU^2 = ST^2 + TU^2
SU = sqrt(ST^2 + TU^2)
SU = sqrt(42^2 + 56^2)
SU = sqrt(4900)
SU = 70

Therefore, the answer is is 70 centimeters.
Elden [556K]3 years ago
3 0

Answer:

Took the test it’s 70. Centimeters

Step-by-step explanation:

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Find all solutions to the following system of equations -y²+6y+x-9=0 ; 6y=x+27.Illustrate with a graph.
Dimas [21]

Answer:

The solution to the system is the pair (9, 6)

Step-by-step explanation:

Hi!

First, let´s write the system of equations:

-y² + 6y + x -9 = 0

6y = x +27

The solutions of the system are the pairs (x, y) that satisfy both equations.

Let´s take the second equation and solve it for x:

6y = x +27

Subtract 27 from both sides of the equation

6y - 27 = x

Now, we can replace x in the first equation and solve it for y:

-y² + 6y + x -9 = 0

-y² + 6y + 6y - 27 -9 = 0

-y² + 12y - 36 = 0

Notice that -y² + 12y - 36 = -(y - 6)², then:

-(y - 6)² = 0

y - 6 = 0

y = 6

(alternatively you can solve the quadratic equation using the quadratic formula).

Now let´s find the value of x:

x = 6y -27

x = 6·6 -27

x = 9

The solution to the system is the pair (9, 6)

Please see the attached figure. The point where the curves intersect is the solution to the system.

6 0
3 years ago
WHATS THE ANSWER PELASE SOMEONE HELP
Travka [436]

Answer:

A

Step-by-step explanation:

Take a look at the graph starting from the left. You’ll see that on the horizontal line, the graph starts at -4 then starts to go downward until it gets to -2 and it starts going up after that so your first interval is (-4, -2). The line increases from -2 to 2 and then it starts sliding downward again from 2 to 4 so your second decreasing interval is (2, 4).

5 0
2 years ago
Read 2 more answers
A water storage tank has the shape of a cylinder with diameter 14 ft. It is mounted so that the circular cross-sections are vert
Gala2k [10]

Answer:

"85.7%" is the right answer.

Step-by-step explanation:

According to the question,

The total capacity of water tank will be:

⇒ v_1=A\times 14

The total volume of water will be:

⇒ v_2=A\times 12

Now,

The percentage of total capacity will be:

= \frac{100\times v_2}{v_1}

= \frac{v_2}{v_1}\times 100

By putting the values, we get

= \frac{A\times 12}{A\times 14}\times 100

= 85.7%

8 0
3 years ago
JOURNAL 5.3.4. <br><br> PLZZZ HELP, I NEED 1-9
aniked [119]

Answer:

8?

Step-by-step explanation:

7 0
3 years ago
It’s not supplementary does anyone know what it is?
Mrac [35]

I agree with your answer "supplementary". The two angles combine to form 180 degrees, aka a straight angle

Your teacher seemed to have made a typo.

3 0
3 years ago
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