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gogolik [260]
3 years ago
13

Decrease £645 by 69% Give your answer rounded to 2 DP.

Mathematics
1 answer:
Alisiya [41]3 years ago
4 0

Answer:

£199.95

Step-by-step explanation:

100% - 69% = 31%

31% of £645

= 31/100 × £645

= 0.31 × £645

= £199.95

= £199.95 is the final answer as it cannot be rounded off to 2 DP.

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If m∠c=11x+85/3 and x=13 then what type of angle is c please help me with this
GuDViN [60]

Answer:

Acute angle

Step-by-step explanation:

Given that m<C = \frac{11x + 85}{3}, to find out the type of angle angle C is, evaluate the expression given by substituting x = 13, in the expression.

m<C = \frac{11x + 85}{3}

m<C = \frac{11(13) + 85}{3}

m<C = \frac{228}{3}

m<C = 76°

Acute angles are less than 90°.

m<C is less than 90°, therefore it is an acute angle.

5 0
3 years ago
If the club is sending 3 members to a convention, how many different groups of 3 members are possible?
Natasha2012 [34]
There are 120 different possible groups.
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6 0
3 years ago
What is the equation of the line which
natka813 [3]

Answer:

The equation of the line is y = (-1/2)x + 5

Step-by-step explanation:

m =  \frac{y2 - y1}{x2 - x1 }

First of all, have to find gradient using the formula above :

(2,4) & (14,-2)

m = (-2-4) / (14-2)

= -6 / 12

= -1/2

Second, using y = mx + b as b is a constant and is a y-intercept. Using any of these 2 coordinates to find the value of b with given gradient :

y = mx + b

Let y=4 & x=2

4 = (-1/2)(2) + b

b = 4 + 1

= 5

Lastly, put the value of gradient and y-intercept into the equation :

y = mx + b

Let m=-1/2 & b=5

y = (-1/2)x + 5

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3 years ago
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The radius of a circle is 2 meters. What is the area?
Andrej [43]

Answer:

12.57m²

(please give brainliest)

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