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cricket20 [7]
3 years ago
7

Help brainlest answer will get 20 points . Solve For X .It has to have an explanation and work !

Mathematics
1 answer:
ExtremeBDS [4]3 years ago
8 0
The sum of the angles of a triangle is 180°, then:

(x+40)°+(3x-17)°+(2x-5)°=180°
x+40+3x-17+2x-5=180
6x+18=180
6x=162
x=27°
You might be interested in
How can you write the expression 2-(p+6) in words?
Sergeu [11.5K]

We can write it az 2 minus sum of p and 6

As p and 6 are in bracket therefore first we add p and 6 and then subtract the sum from 2

3 0
4 years ago
Read 2 more answers
Given ΔABC with A(–4, –2), B(4, 4), and C(18, –8), write the equation for the line containing median segment The term is line se
Monica [59]
Here we want to find the equation of the line containing the median CP.

P, being the midpoint of AB can be found using the midpoint formula as:

\displaystyle{ P=( \frac{-4+4}{2} ,  \frac{-2+4}{2} )=(0, 1).


The slope m of the line through CP can be found by the slope formula using points C(18, -8) and P(0, 1):

\displaystyle{ m= \frac{y_2-y_1}{x_2-x_1}= \frac{-8-1}{18-0}= \frac{-9}{18}= \frac{-1}{2}.


Now, we can write the equation of the line with slope -1/2, passing through
P(0, 1):

y-1= \frac{-1}{2}(x-0)\\\\y= -\frac{1}{2}x+1.


Answer: y=-\frac{1}{2}x+1
5 0
4 years ago
Find the zeros for (x+2)(x-4)
Montano1993 [528]

Answer:

<h2>x = -2 or x = 4</h2>

Step-by-step explanation:

The zeros:

(x + 2)(x - 4) = 0 ⇔ x + 2 = 0 or x - 4 = 0

x + 2 = 0          <em>subtract 2 from both sides</em>

x = -2

x - 4 = 0          <em>add 4 to both sides</em>

x = 4

7 0
3 years ago
The line width for semiconductor manufacturing is assumed to be normally distributed with a mean of 0.5 micrometer and a standar
34kurt

Answer:

a) 0.0081975

b) 0.97259

Step-by-step explanation:

The line width for semiconductor manufacturing is assumed to be normally distributed with a mean of 0.5 micrometer and a standard deviation of 0.05 micrometer

We solve using z score formula

z = (x-μ)/σ, where

x is the raw score

μ is the population mean

σ is the population standard deviation.

a. What is the probability that a line width is greater than 0.62 micrometer?

z = 0.62 - 0.5/0.05

z = 2.4

Probability value from Z-Table:

P(x<0.62) = 0.9918

P(x>0.62) = 1 - P(x<0.62)

= 0.0081975

b. What is the probability that a line width is between 0.4 and 0.63 micrometer?

For 0.4

z = 0.4 - 0.5/0.05

= -2

Probability value from Z-Table:

P(x = 0.4) = 0.02275

For 0.63

z = 0.63 - 0.5/0.05

= 2.6

Probability value from Z-Table:

P(x = 0.63) = 0.99534

P(x = 0.63) - P(x = 0.4)

= 0.99534 - 0.02275

= 0.97259

c. The line width of 90% of samples is below what value?

6 0
3 years ago
How to divide 32 divided by 6582.Please show you work and rounded to the nearest whole dollar. Leave the remainder undivided.
AysviL [449]
As you can observe, the divisor, 6582, is greater than the dividend, 32. In this case, the answer is less than 1. Technically, the answer is $0 with a remainder of 6,582. However, I think the more logical question would be 6582 divided by 32. If so, the solution is as follows:

                          205
                       -------------------------
                  32 |  6582
                        - 64
                      ------------------
                            18
                           -  0
                         ---------------
                             182
                           - 160
                           ----------
                               22

The answer is $205 with a remainder of 22.
3 0
4 years ago
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