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inn [45]
2 years ago
7

Find the value of X.

Mathematics
2 answers:
nika2105 [10]2 years ago
5 0

Answer:

  • x = 5

Step-by-step explanation:

<u>We know that:</u>

  • 2x + 3 = 4x - 7
  • M = Midpoint of ST

<u>Solution:</u>

  • 2x + 3 = 4x - 7
  • => 4x - 2x = 7 + 3
  • => 2x = 10
  • => x = 5

Hence, the value of x is 5.

swat322 years ago
4 0

Answer:

x = 5

Step-by-step explanation:

Here we can see SM and MT have equal sides.

Therefore, 2x + 3 should be equal to 4x - 7

So,

                      2x + 3 =  4x - 7

                      2x - 4x = -7 -3

                     -2x = -10

                       x = -10 / -2

                       x = 5

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goldfiish [28.3K]

Answer:

38.46%

Step-by-step explanation:

There are 91 students and 35 of them received a score of 90 or above.

So, there are 35/91 students with an A grade.

The probability to pick a random student that would be the same proportion that those who got the right score, so 35 / 91 = 0.3846 or 38.46%

38.46% of chances to pick someone who got an A (90 score or above), and, the opposite, 61.54% of chances to pick someone who didn't get an A.  That's a strong class!

8 0
3 years ago
Read 2 more answers
Find the sum of the first 63 terms of –19, -13, -7 …
Degger [83]

You can tell this is an arithmetic sequence because it is a list of terms beginning with -19 that increase by 6 each term. Because of this, we can use the formula for the sum of an arithmetic sequence, which is:

S = \dfrac{n}{2}[2 a_1 + d(n - 1)]

  • n is the number of terms in the sequence
  • a_1 is the starting term
  • d is the common difference among the terms

In this case, we can see that n = 63, a_1 = -19, and d = 6. Thus, we can use the formula:

S = \dfrac{63}{2} [2(-19) + 6(62)] = 10,521


Our answer is 10,521.


7 0
3 years ago
When Cecily Tynan graphed today's snowfall, her line had a slope of 1/3.<br> What does this mean?
Zarrin [17]

Answer:

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Step-by-step explanation:

Slope is the rise / run ratio

1/3 slope means 1 meter of rise over 3 meters long section (or other unit of length)

5 0
3 years ago
There is a string of red and blue lights strung around a window. The red lights blink every 3 seconds , and the blue lights blin
cluponka [151]
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6 0
3 years ago
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Naddika [18.5K]

Answer:

E) -4,7 and -2,8

Step-by-step explanation:

parallel lines have same slope

x - 2y = 16

y = 1/2 x -8     slope: 1/2

E. slope = Δy / Δx = (8-7) / (-2 - -4) = 1/2

5 0
3 years ago
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