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vlabodo [156]
3 years ago
12

Please need help on this

Mathematics
1 answer:
Setler [38]3 years ago
6 0

Answer:

C ( Third one )

Step-by-step explanation:

Just substitute x by 1 (because from the figure you see x=1)

and try it to find y ( y is equal -4 from the figure, but you should substitute x by 1 for that )

I hope that it's a clear solution and explanation.

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Please explain and please if you don't know answer in the COMMENT section but however if you do know please answer in the box be
s2008m [1.1K]
Answer 4: Angle 4,5 and 1

Answer 5: 3,4 and 5

Answer 6: The value of x is 10 because since angle 3 is 90 degrees angle 1 is 9x 9 times 10 equals 90 degrees which is the same as angle 3 which is 90 degrees, so the answer is 10.
6 0
3 years ago
Read 2 more answers
Point B has coordinates (1,2). The x-coordinate of point Ais - 11. The distance between point A and
frez [133]
This is a famous triangle ( 5 -12 -13)
So y1= -7
7 0
3 years ago
Tony was Challenged to a half-court shooting competition. For every half-court shot that he makes, he will earn 20 points. For e
Mkey [24]

Answer:

Tony make 4 half-court shots and misses 16 half-court shots.

Step-by-step explanation:

Given:

Points earned for every successful, half-court shots = 20

Points deducted for missing the shots = 5 or -5

Total number of shots in the game = 20

Final points earned by Tony = 0

According to the question:

Let the number of successful half-court shot be x

And the number of shots missed be 20-x

So,

In terms of points we can re-write it as:

⇒ 20(x)-5(20-x) =0

⇒ 20x-100+5x=0

⇒ 25x-100=0

⇒ 25x-100+100=100

⇒ 25x=100

⇒ \frac{25x}{25} =\frac{100}{25}

⇒ x=\frac{100}{25}

⇒ x=4

Tony make 'x' shots that is 4 and the number of shot he missed is (20-x) =(20-4)=16

6 0
4 years ago
What is the value of n in the equation -1.2(2n+4)+6=-9+4(2n+1)
Shalnov [3]

Answer:

n = 6.2/-10.4=0.5962

Step-by-step explanation:

What is the value of n in the equation. we would make n the subject formula -1.2(2n+4)+6=-9+4(2n+1)

Opening the brackets,

-1.2×2n -1.2×4 + 6= -9 +4×2n + 4×1

-2.4n -4.8 +6 = -9 +8n + 4

-2.4n -4.8 +6 = -9 + 4 + 8n= -5+8n

Collecting like terms

-2.4n-8n = -5+4.8-6

-10.4n =-6.2

n = -6.2/-10.4= 0.5962

Let's check, put n= 0.5962 in the equation

-2.4n -4.8 +6 = -9 +8n + 4

Lefthand side

-2.4×0.5962-4.8+6= -0.230

Right hand side

-9+ 8× 0.5962 +4

=-9 +4.7696 +4

=0.230

Right hand side = left hand side

4 0
3 years ago
Read 2 more answers
Find the magnitude and direction angle for the vector v = 3 cos 123°i + 3 sin 123°j.
Alika [10]
The vector written in its generic form is given by:
 v = lvl cos theta ° i + lvl without theta ° j
 Where.
 lvl: magnitude of the vector
 theta: angle of the vector with respect to the x axis.
 For this case we have the following vector:
 v = 3 cos 123 ° i + 3 without 123 ° j
 Where,
 lvl = 3
 theta = 123 °
 Answer:
 
The magnitude and direction angle for the vector v is:
 
D. 3, 123 °
8 0
4 years ago
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