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Debora [2.8K]
3 years ago
13

What is the value of x? O 30 O 45 O 55 O 60

Mathematics
1 answer:
Bas_tet [7]3 years ago
8 0
The value of x is forty five
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Need help with this math question
Hoochie [10]

Answer:

x = 3.1 ft

Step-by-step explanation:

Use Pythagoras' Theorem to find the base of the triangle. The base of the triangle is half of 'x'. Let's call the base 'y' for now.

To find 'y' we must use this formula,

y^{2} = c^{2} -b^{2}

'c' is the hypotenuse, the longer side, and 'b' is the other short side.

Sub in the numbers for 'c' and 'b',

y^{2} = 2.1^{2} -1.4^{2}

               = 2.45

Square root both sides to get 'y' by itself,

y = 1.5652.....

Remember that 'y' is half of x? Simply multiply 'y' by 2 to get an answer for 'x',

x = 1.5652.... x 2

  = 3.1 ft (1 d.p. nearest tenth)

Hope this helped!!

4 0
3 years ago
Cassandra earns $40 per day in her first job and d dollars per day in her second job.
4vir4ik [10]
There can be 2 answers for this...

5(40 + d) and 5 * 40 + 5d
8 0
3 years ago
List the next four multiples of the fraction. 3/6
Arlecino [84]
They are 6/6, 9/6, 12/6, and 15/6. Please give brainliest!!!
6 0
2 years ago
Read 2 more answers
Use the triangle formed by the vertices L(—3, 4), A(O, 5) and D(2, l). AL' A'D' is a triangle formed by using the transformation
weqwewe [10]

Answer:

figuring it out now

Step-by-step explanation:

6 0
3 years ago
The pH level of a solution measures how acidic or basic the solution is. Values between 0 and 7 are considered acidic while valu
Furkat [3]

Answer:

  about 2.47

Step-by-step explanation:

Your calculator will tell you ...

  -\log{(3.4\times 10^{-3})}\approx 2.4685\approx\bf{2.47}

4 0
2 years ago
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