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solong [7]
3 years ago
9

In this picture what is the value of x

Mathematics
2 answers:
zlopas [31]3 years ago
8 0
Add the 75 and 79 which gives u 154
then subtract it by 180 and should give you 26 as your final answer
Anvisha [2.4K]3 years ago
8 0

Hey There,

Initially, you would add the angle already provided.

75 + 79= 154

Now you would subtract 154 from 180.

180 - 154= 26

Therefore, the answer would be A) 26.

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Huilan is years 15 younger than Thomas. The sum of their ages is 73 . What is Thomas's age?
UNO [17]

thomas age:44

huilan age: 29

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2 years ago
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What is the value of X in the equation X + 7= 19
Paraphin [41]

Answer:

X is =12

Step-by-step explanation:

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R leaks out of a barrel so that the rate of change in the water level is proportional to the square root of the depth of the wat
Irina-Kira [14]
Let y(t) represent the level of water in inches at time t in hours. Then we are given ...
  y'(t) = k√(y(t)) . . . . for some proportionality constant k
  y(0) = 30
  y(1) = 29

We observe that a function of the form
  y(t) = a(t - b)²
will have a derivative that is proportional to y:
  y'(t) = 2a(t -b)

We can find the constants "a" and "b" from the given boundary conditions.
At t=0
  30 = a(0 -b)²
  a = 30/b²
At t=1
  29 = a(1 - b)² . . . . . . . . . substitute for t
  29 = 30(1 - b)²/b² . . . . . substitute for a
  29/30 = (1/b -1)² . . . . . . divide by 30
  1 -√(29/30) = 1/b . . . . . . square root, then add 1 (positive root yields extraneous solution)
  b = 30 +√870 . . . . . . . . simplify

The value of b is the time it takes for the height of water in the tank to become 0. It is 30+√870 hours ≈ 59 hours 29 minutes 45 seconds
5 0
3 years ago
6j-k=23<br>3k+6j=11<br>Solve j and k ​using the elimination method on the simultaneous equations
frez [133]

Answer:

Step-by-step explanation:

6j - k = 23

6j + 3k = 11.....multiply by -1

---------------

6j - k = 23

-6j - 3k = -11 (result of multiplying by -1)

---------------

-4k = 12

k = -12/4

k = - 3 <=====

6j - k = 23

6j - (-3) = 23

6j + 3 = 23

6j = 23 - 3

6j = 20

j = 20/6

j = 10/3 <===

solution is : j = 10/3 and k = -3

5 0
3 years ago
The letters in the word STATISTICS are printed on identical index cards with one letter per card. The ten cards are
Alex17521 [72]

Answer:

a.

Outcome ---------- Probability

S -------------------------- 0.3

T -------------------------- 0.3

A -------------------------- 0.1

I --------------------------- 0.2

S -------------------------- 0.1

b.

P(V) = 2/10

P(F) = 2/10

c.

Events V and F are not mutually exclusive

Step-by-step explanation:

Given

Text: STATISTICS

Solving (a): Outcomes and Probabilities

The text is made of the following makeup.

S = 3

T = 3

A = 1

I = 2

C = 1

Total = 10

The probability of each outcome is calculated by dividing the occurrence of each alphabet by the total number of alphabets

So:

S = 3/10 = 0.3

T = 3/10 = 0.3

A = 1/10 = 0.1

I = 2/10 = 0.2

C = 1/10 = 0.1

In tabular form, we have:

Outcome ---------- Probability

S -------------------------- 0.3

T -------------------------- 0.3

A -------------------------- 0.1

I --------------------------- 0.2

S -------------------------- 0.1

Solving (b)

V = Vowels

F = A - M

Calculating P(V)

P(V) = Number of vowels divided by total

The vowels are A and I.

So, number of vowels is 2

P(V) = 2/10

Calculating P(F)

P(F) = Number of alphabets from A to M divided by total

Alphabets from A and M are A and I

So, number of alphabets in this category is 2

So:

P(F) = 2/10

Solving (c):

Events V and F are not mutually exclusive because both can occur at the same time.

i.e.

An event can be a vowel and still be between A and M

3 0
2 years ago
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