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3 years ago

5

The sum of the digits of a three-digit number is 12. The tens digit, t, is 2 more than the hundreds digit, h. The units digit, u

, is equal to the sum of the tens and hundreds digits. What is the number?

1 answer:

NNADVOKAT [17]3 years ago

4 0

Answer:

246

Step-by-step explanation:

h = 2

t = 4

u = 6

t - h = 4 - 2 = 2

u = h + t = 2 + 4 = 6

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What is the value of x in the solution to this system of equations?

SVEN [57.7K]

Answer:

x = 10/3

Step-by-step explanation:

1.Arrange both equations so that the constant is isolated

3x - 2y = 14

6x + y = 18

2. Multiply both sides of first equation by a value that will cancel out a variable when added to the second equation

(-2) 3x - 2y = 14 (-2)

-6x + 4y = -28

3. Add both equations together

-6x + 4y = -28

<u>+ 6x + y = 18</u>

0x + 5y = -10

4. Simplify

5y = -10

y = -2

5. Substitute y-value into one of the original equations to solve for x

3x = 2y + 14

3x = 2(-2) + 14

3x = -4 + 14

3x = 10

x = 10/3

5 0

4 years ago

The Toga Trench is at an elevation of 35,702 feet below sea level .The south sandwich Trench is at an elevation of 23,737 ft . b

Aleks04 [339]

Answer:

Tonga trench Elevation = 35,702ft

South sandwich trench elevation = 23,737ft

Step-by-step explanation:

Given the following:

Tonga trench Elevation = 35,702 Feets

South sandwich trench elevation = 23,737 Feets

Expressing both numbers as rational numbers :

Both the Tonga trench Elevation and South sandwich trench elevation are already stated as rational numbers because all integers are rational numbers, be it expressed as a quotient or proportion of integer numbers ( that is numbers that are expressed without decimal components.

Therefore, rational expression for both are :

Tonga trench Elevation = 35,702ft

South sandwich trench elevation = 23,737ft

4 0

4 years ago

Question 5(Multiple Choice Worth 1 points)

Snezhnost [94]

Given:

The graph passes through the points (0,-20) and (4,10).

To find:

The equation of line that most closely represents the line depicted in the graph.

Solution:

If a line passing through two points, then the equation of line is

$y-y_1=\dfrac{y_2-y_1}{x_2-x_1}(x-x_1)$

The given line passes through the points (0,-20) and (4,10). So, the equation of line is

$y-(-20)=\dfrac{10-(-20)}{4-0}(x-0)$

$y+20=\dfrac{10+20}{4}(x)$

$y+20=\dfrac{30}{4}x$

$y+20=\dfrac{15}{2}x$

Subtracting 20 from both sides, we get

$y=\dfrac{15}{2}x-20$

The function form is

$f(x)=\dfrac{15}{2}x-20$

f of x equals fifteen halves times x minus 20.

Therefore, the correct option is B.

7 0

3 years ago

Julie wanted to find out the approximate percentage of non-traditional female college students at public universities. She decid

lawyer [7]

To solve this question, we need to understand sample and population concepts.

From this, the answer is:

The 25 females that Julie interviews are the sample, and all female college students at state universities are the population.

Example:

I want to estimate the proportion of New York state residents who are Buffalo Bills fans. So i ask, lets say, 1000 randomly selected New York state residents whether they are Buffalo Bills fans, and expand this to the entire population of New York State residents, which is the population of the study.

The sample will be: 1000 randomly selected New York state residents

The population will be: All New York state residents

In this question:

Sample: 25 females from each university in her state.

Population: All female college students in her student.

Thus, the correct statement is:

The 25 females that Julie interviews are the sample, and all female college students at state universities are the population.

For a similar example, you can check brainly.com/question/24331410

7 0

3 years ago

If the measure of angle 4 is 11x and angle 3 is 4x , what is the measure of angle 3 in degrees?

fgiga [73]

<span>Answer:
Let x = degree measure of the angle
So, the complement of the angle has degree measure 90-x
4/11 = x/(90-x)
4(90-x) = 11x
360 - 4x = 11x
15x = 360
x = 24°
Supplement = 180 - x = 156° x/(180-x) = 24/156 = 2/13</span>

5 0

3 years ago