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poizon [28]
2 years ago
7

The temperature at 9 a.m. is 2 degrees. The temperature rises 3 more degrees by noon. Which expression describes the temperature

at noon?
2 + 3
2 + (negative 3)
Negative 2 + (negative 3)
Negative 2 + 3
Mathematics
2 answers:
Advocard [28]2 years ago
6 0

Answer:

2 + 3

Step-by-step explanation:

HACTEHA [7]2 years ago
4 0

Answer:   2 +3

Step-by-step explanation:

my mum helped me w this  

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Solve this equation: 8(3x - 6) = 6(4x + 8)
Ksivusya [100]

Answer:

C. Solving this equation results in the statement -48 = 48. Because this is a false statement, the equation has no solution.

Step-by-step explanation:

8(3x - 6) = 6(4x + 8)

24x - 48 = 24x + 48

minus 24x from both sides and you get -48 = 48

A false statement means one side does not equal the other. False statement always means no solution

you can solve this equation for x, but looking at the answers it's not what the question is asking for

6 0
2 years ago
1.Graph the equation y = 6x -18:
RSB [31]

Answer:

1. Given the equation: y =6x-18                        ......[1]

The intercepts of a line are the points where the line intercepts or crosses the horizontal and vertical axes.

(A)

Horizontal intercept(x) states that the point where the line crosses the x-axis and at this point y=0

Put y=0 in equation [1]

0=6x-18 or

6x=18

<h3>⇒x=3</h3>

Ordered pair of horizontal intercept(x) = (3,0)

(B)

Vertical intercept(y) states that the point where the line crosses the y-axis and at this point x=0.

Put x=0 in equation [1]

y=6\cdot 0-18 or

y=-18

<h3>⇒y=-18</h3>

Ordered pair of vertical intercept(y) = (0,-18)

You can also see the graph  of the function y =6x-18 as shown in Figure-1.

2.

Graph the equation y+2x =4

to find the horizontal intercept and vertical intercept we follow the same process as done in 1

(A)

Horizontal intercept (x) = 2

Ordered pair = (2,0)

(B)

Vertical intercept (y) = 4

Ordered pair = (0,4)

Also, you can see these in the graph as shown in the Figure-2

3.

Given: The slope(m) of a line is \frac{3}{4}

Two lines are parallel if their slopes are equal and they have different y - intercepts.

(A).

The slope of a line parallel to it is, \frac{3}{4}

(B)

The slope of the original line is  \frac{3}{4}.

A line perpendicular to another line  has a slope that is the negative reciprocal of the slope of the other line.

Therefore, slope of a line perpendicular to it is; -\frac{1}{m} = -\frac{4}{3}

4.

The graph of the equation y =4x+5 as shown in figure 3

The x-intercept of this line is \frac{-5}{4} = -1.25

And the y-intercept of this line is y =5.

5.

Graph of the equation y = -3 represents the line as shown in figure 4.

6.

Solve the equation:

6y-18x = -18

6y = 18x-18

Divide by 6 to both sides of an equation ; we get

y = 3x-3 or

y = 3(x-1)


8 0
3 years ago
Anwser the question quickly!
cluponka [151]
B is the correct anwser
6 0
3 years ago
Read 2 more answers
Name the form of the equation, then find the y-intercept of the following lines.....<br> y=2/5x+1
Kruka [31]

Answer:

y = 1

Step-by-step explanation:

To find the y-intercept (s), substitute in 0 for x and solve for y.

y = 2/5 x (0)+1

y-intercepts (0, 1)

7 0
2 years ago
Read 2 more answers
a village having a population of 4000, requires 150 litres of water per head per day. it has a tank measuring 20m x 15m x 6m. fo
allochka39001 [22]

The water will last for 3 days

<em><u>Solution:</u></em>

Given that, village having a population of 4000, requires 150 litres of water per head per day

<em><u>Let us first find the volume of tank</u></em>

The tank measuring 20m x 15m x 6m

Length = 20 m

Breadth = 15 m

Height = 6 m

volume\ of\ tank = length \times breadth \times height

Volume\ of\ tank = 20 \times 15 \times 6 = 1800

Thus volume of tank is 1800 cubic meter

From given,

Water required per person per day = 150 liters

<em><u>Therefore, water required for 4000 people per day is:</u></em>

\rightarrow 4000 \times 150 = 600000 \text{ liters }

Convert to meters

600000 \text{ liters } = 600000 \times \frac{1}{1000}\ m^3\\\\600000 \text{ liters } = 600\ m^3

<em><u>How many days will the water of this tank last?</u></em>

\text{Number of days water will last } = \frac{\text{volume of tank}}{\text{total water required per day}}

\text{Number of days water will last } = \frac{1800}{600} = 3

Thus the water will last for 3 days

5 0
3 years ago
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