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Shkiper50 [21]
3 years ago
13

The maximum number of marks attainable at a mathematics competition is 60. Kate obtains 40 marks, Priya obtains 46 marks, and No

ra obtains 49 marks. The examination board decides that those who scored 80 % and above will get a gold medal, those who score 70 % to 79 % inclusive will get a silver medal and those who scored 60 % to 69 % inclusive will get a bronze medal. Determine the type of medal each of them will get
Mathematics
1 answer:
Anna71 [15]3 years ago
4 0

Answer: See explanation

Step-by-step explanation:

Total marks = 60

Kate = 40 marks = 40/60 × 100 = 66.7%

Kate gets a bronze medal.

Priya = 46 marks = 46/60 × 100 = 76.7%

Priya gets a silver medal

Nora = 49 marks = 49/60 × 100 = 81.7%

Nora gets a good medal.

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Can someone help me. Please
Lerok [7]

Step-by-step explanation:

a. the angle B in triangle ABC:

180-47=133°

angle C in ABC:

180-(40+133)=7°

using sine rule:

a/sin A= b/sin B= c/sin C

50/sin 7= BC/sin 40

BC= (50*sin40)/ sin7

=263.7 m

b.sin 47= opposite/hypotenuse

sin 47= CD/263.7

CD= sin 47*263.7

= 192.9

6 0
3 years ago
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Virty [35]
What do you need help with bud?


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3 years ago
How do you do this plz help me (10 points)
cricket20 [7]

Answer:

Step-by-step explanation:

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5 0
4 years ago
3) James earned a total of $900 last week. He worked for 5 hours at his usual rate, then earned a bonus of $20 for each hour tha
agasfer [191]

Answer:

$160 hourly rate

Step-by-step explanation:

20 x 5 = 100

900 - 100 = 800

800 ÷ 5 = 160

To check: Multiply 160 by 5 and then add 100

3 0
2 years ago
Complete the equation of the line through (-6,5)(−6,5)left parenthesis, minus, 6, comma, 5, right parenthesis and (-3,-3)(−3,−3)
sladkih [1.3K]

Answer:

The equation of the line passing through the given points is:

y=-\frac{8}{3}x-11

Step-by-step explanation:

Given:

The two points are: (x_1,y_1)=(-6,5)\textrm{ and }(x_2,y_2)=(-3,-3)

The equation of a line when two points are given is:

y-y_1=\left (\frac{y_2-y_1}{x_2-x_1} \right )(x-x_1)

Plug in all the values and simplify.

y-5=\left (\frac{-3-5}{-3-(-6)} \right )(x-(-6))\\y-5=\left (\frac{-8}{-3+6} \right )(x+6)\\y-5=\left (\frac{-8}{3} \right )(x+6)\\y-5=\frac{-8}{3}x-16\\y=\frac{-8}{3}x-16+5\\\\y=-\frac{8}{3}x-11

Therefore, the equation of the line passing through the above points is

y=-\frac{8}{3}x-11

7 0
3 years ago
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