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Anon25 [30]
3 years ago
13

Please helpppp quick

Mathematics
2 answers:
erica [24]3 years ago
8 0
X >_(-5)
The third option from the left.
Elan Coil [88]3 years ago
5 0
C is the right answer.
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Two times the sum of a number and 9 is half the number
Pavel [41]

Answer:

Equation:

2(a+9) = a/2

Solve:

The umber is:

-12

Step-by-step explanation:

Equation:

2(a+9) = a/2

Solve:

2*a + 2*9 = a/2

2a + 18 = a/2

2a - a/2 = -18

4a/2 - a/2 = -18

3a/2 = -18

a = -18*2/3

a = -12

Check:

2(-12+9) = -12/2

2(-3) = -12/2 = -6

4 0
3 years ago
A large set of data was collected and analyzed for the majors of college seniors in the U.S. From the scatter plots produced the
HACTEHA [7]

Using linear function concepts, it is found that the true statements are as follows:

  • The number of biology degrees increases by about 2.414 each year after 2000.
  • About 73.000 students graduated with degrees in psychology in 2000.
  • In 2000, more students graduated with psychology degrees than biology degrees​.

<h3>What is a linear function?</h3>

A linear function is modeled by:

y = mx + b

In which:

  • m is the slope, which is the rate of change, that is, by how much y changes when x changes by 1.
  • b is the y-intercept, which is the value of y when x = 0, and can also be interpreted as the initial value.

In this problem, for psychology, the model for the number of graduated students in t years after 2000 is:

P(t) = 2,376t + 73,219.

For biology, it is given by:

B(t) = 2,414t + 56, 545

Hence, the correct statements are:

  • The number of biology degrees increases by about 2.414 each year after 2000.
  • About 73.000 students graduated with degrees in psychology in 2000.
  • In 2000, more students graduated with psychology degrees than biology degrees​.

More can be learned about linear function concepts at brainly.com/question/24808124

3 0
2 years ago
Given the triangles above, what is the measure, in degrees, of angle x?
Shalnov [3]

Answer:

\frac{110}{110}  =  \frac{x}{35}  \\ x = 35 \degree

6 0
3 years ago
A sidewalk measures 4 feet in width and 108feet in length. what is the area of the sidewalk
Sonja [21]

Answer:

432 ft²

Step-by-step explanation:

1. Area of a rectangle is A=lw

2. A = 4 x 108

3. A = 432

4. Answer: 432 ft²

6 0
4 years ago
Quadrilateral ABCD is inscribed in a circle. Find the measure of each of the angles of the Quadrilateral. Show your work. ( Plea
oksano4ka [1.4K]

Answer:

  • Shown Below.

Explanation:

opposite angles in a quadrilateral sum up to 180°

total interior angles in a quadrilateral is 360°

solve for x:

x - 2 + x + 2 = 180°

2x = 180°

x = 90°

solve for each angle:

1st

x + 2

90° + 2 = 92°

2nd

x - 2

90° - 2 = 88°

3rd

x - 10

90° - 10° = 80°

4th

360° - 80° - 88° - 92° = 100°

7 0
3 years ago
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