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Ratling [72]
3 years ago
5

Can someone answer it, and plot it, for 20 points and brainliest answer?

Mathematics
1 answer:
katrin [286]3 years ago
8 0

Answer:

x+y=45, (5,40) and ( 25,20)

Step-by-step explanation:

Here we are given the information that Gian was given 45 mins to spend on computer after dinner. Out of those 45 mins , he can either play games of watch videos.

Therefore If the time for which he watches videos is x and that of the time he spend playing game is y , there sum must be equal to 45 mins.

Hence our equation in terms of x andy will be

x+y=45

Now let us see the graph part.

Here we see that the graph is plot on xy plane where x is taken as time taken in watching videos and y as playing games

i) on Monday , he watch 5 minutes in watching videos

Hence x=5 , we put x=5 in x+y=45 and solve it for y

5+y=45

subtracting 5 from both sides

5+y-5=45-5

y=40

Hence he spend 40 mins on playing games.

So we plot Point (5,40) for monday.

i) on Tuesday , he watch 25 minutes in watching videos

Hence x=25 , we put x=25 in x+y=45 and solve it for y

25+y=45

subtracting 25 from both sides

25+y-25=45-25

y=20

Hence he spend 20 mins on playing games.

So we plot Point (25,20) for Tuesday.

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Tell if the measures 6, 14, and 13 make a triangle that is acute, right, or obtuse.
ycow [4]

Right angle - c²=a²+b²

Obtuse angle - c²>a²+b²

Acute angle - c²<a²+b²

To see which ones go into a, b, and c, know that the largest number is the hypotenuse (variable c). The other two letters can be either a or b, so it doesn't matter which place they are put it because you will get the same answer.

right angle 14²=6²+13²

196=36+169

196≠205

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

obtuse angle 14²>6²+13²

196>36+169

196>205 is false

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

So since it is not a right angle or an obtuse angle, that means that it's a right angle because it's the only option left. Though we now know that's the answer, I will still put down the steps.

acute angle 14²<6²+13²

196<36+169

196<205 is true so it's an acute triangle.

Hope this helps, now you know the answer and how to do it. Stay safe and healthy and HAVE A BLESSED AND WONDERFUL DAY! :-)  

- Cutiepatutie ☺❀❤

5 0
3 years ago
A tour bus travels 2,160 miles in 36 hours.what is the average distance the bus travels in one hour?
kupik [55]
2160/36 = 60 miles in one hour
7 0
4 years ago
Solve the equation shown for x.<br> -4(2x+9)+3x=6-4(x-3)<br> STEP BY STEP EXPLANATIONN
zaharov [31]

Answer:

x= -54

Step-by-step explanation:

distribution- -8x-36+3x=6-4x+12

add like terms- -5x-36=-4x+18

get x alone -5x=-4x+54. added 36 to both sides

add 4x to both sides -x=54

divide by -1. x= -54

8 0
4 years ago
Read 2 more answers
Consider a Triangle ABC like the one below. Suppose that C = 98, A = 74, and b = 11 (figure is not drawn to scale.) solve the tr
Degger [83]

Answer:

A=73.8\°

B=8.2\°

c=76.3\ units

Step-by-step explanation:

step 1

Find the measure of side c

Applying the law of cosines

c^{2}= a^{2}+b^{2}-2(a)(b)cos(C)

substitute the given values

c^{2}= 74^{2}+11^{2}-2(74)(11)cos(98\°)

c^{2}=5,823.5738

c=76.3\ units

step 2

Find the measure of angle A

Applying the law of sine

\frac{a}{sin(A)}=\frac{c}{sin(C)}

substitute the given values

\frac{74}{sin(A)}=\frac{76.3}{sin(98\°)}

sin(A)=(74)sin(98\°)/76.3

A=arcsin((74)sin(98\°)/76.3)

A=73.8\°

step 3

Find the measure of angle B

we know that

The sum of the internal angles of a triangle must be equal to 180 degrees

so

A+B+C=180\°

substitute the given values

73.8\°+B+98\°=180\°

171.8\°+B=180\°

B=180\°-171.8\°=8.2\°

5 0
3 years ago
Can someone help me answer this, thanks
Ivahew [28]

Answer:

<em></em>Height = 173.8ft<em></em>

<em></em>

Step-by-step explanation:

Given

\theta = 40^o

d = 200ft --- distance from building

h=6ft--- height of the building

Let the height of the building be H. So:

\tan(\theta) = \frac{Opposite}{Adjacent}

\tan(40) = \frac{H}{200}

Make H the subject

H = 200 * \tan(40)

H = 167.82

The required height s:

Height = H + h

Height = 167.82 + 6

Height = 173.82ft

<em></em>Height = 173.8ft<em> --- approximately</em>

5 0
3 years ago
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