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dexar [7]
4 years ago
5

How many problems must be answered correctly on a math test with 60 problems to gets score of 85%

Mathematics
1 answer:
Natalka [10]4 years ago
6 0
51 problems need to be solved
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What is 5.6 equalivent to
Sloan [31]
(this is for fractions!!!!!!!!!!!!)  28/5 or 5 3/5

i think u just make it into 5.6/1 multiply by 10 which gets 56/10 and wala 
but it's not simplified. 56 and 10 is divisible by 2 so u get 28/5 which is actually 5 3/5 (which is 5.6!!)
4 0
4 years ago
An angle measuring 3.5 radians is equal to which of the angle measures given below? Round your answer to 2 decimal places after
Vaselesa [24]
2 x pi radians = 360 degrees, [remember this formula]
2 x 3.14 = 6.28 radians = 360 degrees
therefore 1 radian = 360 degree/ 6.28 or 57.32 degrees approx.
3.5 radians is therefore = 57.32 x 3.5 = 200.62

closest answer would be b ) 200.54 degrees 
 

3 0
4 years ago
Read 2 more answers
F(x)=x2-10 and g(x)=11-x find (f-g)(x)(f-g)(10) and (f/g)(x) if they exist
tester [92]

Answer:

(f - g)(x) = x^2 + x-21

(f - g)(10) = 89

(f/g)(x) = \frac{x^2 - 10}{11 - x}

Step-by-step explanation:

Given

f(x) = x^2 - 10

g(x) = 11  - x

Solving (1): (f-g)(x)

(f - g)(x) = f(x) - g(x)

Substitute values for f(x) and g(x)

(f - g)(x) = x^2 - 10 - (11 - x)

Open Bracket

(f - g)(x) = x^2 - 10 - 11 + x

(f - g)(x) = x^2 -21 + x

Reorder

(f - g)(x) = x^2 + x-21

Solving (2): (f-g)(10)

In (1)

(f - g)(x) = x^2 + x-21

So:

(f - g)(10) = 10^2 + 10-21

(f - g)(10) = 100 + 10-21

(f - g)(10) = 89

Solving (3): (f/g)(x)

(f/g)(x) = \frac{f(x)}{g(x)}

Substitute values for f(x) and g(x)

(f/g)(x) = \frac{x^2 - 10}{11 - x}

6 0
3 years ago
Please help: Solving a system by multiplying.
Wewaii [24]

Answer:

i need these points for a question sorry , super sorry hope u get help tho

Step-by-step explanation:

5 0
3 years ago
45% change as decimal number
vfiekz [6]

Answer:

0.45

Step-by-step explanation:

percent means out of a hundred, hence

45% = \frac{45}{100} = 0.45


6 0
4 years ago
Read 2 more answers
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