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Tomtit [17]
2 years ago
14

total cons of the 6 books and 7 pens is rupees 79 and the total cost of 7 book and six pen is rupees 77 find the cost of one boo

k and two pen​
Mathematics
1 answer:
inna [77]2 years ago
6 0

Answer:

guidance

Step-by-step explanation:

divide the amount by the total cost to get cost per product and add it until you find the amount!

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Which expression is equivalent to 1/3 (4 - 5x - 1)
Reil [10]
<span> 1/3 (4 - 5x - 1)
= </span><span> 1/3 (3 - 5x)
= 1 - 5/3 x
= - 5/3 x + 1

answer

</span> - 5/3 x + 1
( p.s you put answer choices on a and b the same)
4 0
3 years ago
Solve the triangle if c = 10 and A = 50 degrees
Nata [24]

Answer:

Step-by-step explanation:

Since A = 50 degrees, c = 10 ,and since it is a right Triangle, then C = 90 degrees and so B = 180 - (90 +50)......... sum of angles of a triangle

                            B = 180 - 140

                             B = 40 degrees

Using sine rule : a/sin A = b / sin B = c / sin C

To calculate a, then we use a/ sin A = c / sin C , since we know c and C

i.e a/ sin 50 = 10 / sin 90

recall that sin 90  = 1

then we have a / sin 50 = 10 / 1

cross multiply

a = 10 x sin 50

 a = 10 x 0.76604

  a = 7.6604

We will calculate b following the same procedure

b/ sin B = c / sin C

b/ sin 40 = 10/ sin 90

b/ sin 40 = 10/ 1

           b = 10 x sin 40

            b = 10 x 0.64279

             b = 6.4279

Therefore a ≈7.6604  , b ≈ 6.4279

7 0
2 years ago
A six-sided die is rolled two times. What is the theoretical fractional probability that the first number is even and the second
Nostrana [21]

Answer:

The theoretical probability that the first number is even and the second number is odd is \frac{1}{4}.

Step-by-step explanation:

Since each dice has six sides, and there are two die, the total amount of different outcomes are 6^2 or 36. The probability of getting an even number on the first roll is \frac{3}{6} or \frac{1}{2}, and the probability of getting an odd number on the second roll is also \frac{3}{6} or \frac{1}{2}, so the probability of getting an even number on the first roll and an odd number on the second roll is \frac{1}{2} * \frac{1}{2} = \frac{1}{4}.

6 0
3 years ago
Coordinates of England
adoni [48]

Answer:

52.3555 north

1.1745 west

3 0
3 years ago
I WILL GIVE BRAINLIEST TO WHOEVER ANSWERS
vovikov84 [41]

Answer:

it's C.

Step-by-step explanation:

Hope that helped :D

6 0
2 years ago
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