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Semenov [28]
2 years ago
7

Geometry please help

Mathematics
1 answer:
Afina-wow [57]2 years ago
5 0

Answer: 31

Step-by-step explanation:

Assuming this is a rhombus, then the diagonals are perpendicular, meaning angle MQN measures 90 degrees.

Now, if we consider triangle MNQ, we know that angles in a triangle add to 180 degrees, meaning NMQ measures 31 degrees.

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Given that f(x) = x^2 - 4x +1, find the value of m if f(m) = -3
iragen [17]

a. Answer:  m = 2

<u>Step-by-step explanation:</u>

f(x) = x² - 4x + 1

f(m) = m² - 4m + 1 = -3

         m² - 4m + 4 = 0

         (m - 2)(m - 2) = 0

               m = 2

***************************************************

b. Answer:  k = 2 and k = 5

<u>Step-by-step explanation:</u>

f(x) = x² - 7x + 14

f(k) = k² - 7k + 14 = 4

        k² - 7k + 10 = 0

        (k - 2)(k - 5) = 0

        k = 2   k = 5

3 0
3 years ago
In politics, marketing, etc. we often want to estimate a percentage or proportion p. One calculation in statistical polling is t
klemol [59]

Answer:

The conclusion about p using an absolute value inequality is  

   0.325  <  p <  0.375

Step-by-step explanation:

From the question we are told that

   The  sample proportion is  \r p =  0.35

    The  margin of error is  E =  0.025

The confidence interval is mathematically represented as

           \r p  -E  <  p <  \r p +E

=>        0.35 - 0.025 <  p <  0.35 + 0.025

=>      0.325  <  p <  0.375

7 0
2 years ago
How can I tell when figures are similar?
Anestetic [448]
Two figures that have the same shape are said to be similar. When two figures are similar, the ratios of the lengths of their corresponding sides are equal. To determine if the triangles below are similar, compare their corresponding sides.
4 0
3 years ago
Read 2 more answers
NEED HELP ASAP. WILL GIVE BRAINLY
balu736 [363]

Answer:

A. x = 2 and y =2

B. x = 3 and y = -1

Step-by-step explanation:

A. { x = 3y − 4

    2x − y = 2

1) Substitute the value of x

2(3y − 4) − y = 2

2) Solve the equation for y

y = 2

3) Substitute the value of y

x= 3(2) -4

4) Solve the equation for x

x = 2

Final Solution: x = 2 and y =2

B. { 3x + 2y = 7

     −x + y = −4

1) Multiply both sides of the equation by 3

-3x + 3y = -12

2) Eliminate one variable by adding the equations

  3x + 2y = 7

<u>+ (−3x + 3y = −12)</u>

   5y = -5

3) Divide both sides of the equation by 5

y = -1

4) Substitute the given value of y into the equation -x + y = -4

-x + (-1) = -4

5) Solve the equation for x

x = 3

Final Solution: x = 3 and y = -1

5 0
2 years ago
The game of monopoly has 4 railroad properties 2 utility properties 2 properties each of dark purple and dark blue and 3 propert
vova2212 [387]
4/18 = 0.22 reoccurring
6 0
2 years ago
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