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BARSIC [14]
3 years ago
14

What does the line 5x+2y=8 look like?

Mathematics
1 answer:
cestrela7 [59]3 years ago
5 0
The correct answer would be D. The plot of the line 5x+2y = 8 is slanted right downwards. To predict, we write the equation into slope-intercept form as follows:

y = mx + b        where m is the slope and b is the y-intercept form

5x + 2y = 8
y = -5x/2 + 4

As we can see, the slope is negative so the graph should slope to the right downwards.
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The height of a triangle is 7 m less than its base. The area of the triangle is 30 m².
Andrej [43]

Answer:

Base 12m Height 5m

Step-by-step explanation:

Area of a triangle formula A=1/2bh

30=1/2(x)(x-7)

2*30 = 1/2(x)(x-7)*2

60 = x^2 -7x

60 - x^2 + 7x = 0

-60 + x^2 -7x = 0

x^2 -7x -60 =0

x^2 + 5x -12x -60 = 0

x(x+5)-12x-60=0

x(x+5)-12(x+5)=0

(x+5)*(x-12)=0

x+5=0

x-12=0

x=-5

x-12=0

x=12

The final answer is: x= 12,5

get rid of the -5 because -5 does not make sense at a height so turn it into 5

Base: 12m

Height 5m

6 0
3 years ago
Read 2 more answers
There are 6 geese and 9 hens on Mr. Thomson’s farm. Mr. Thomson adds 6 more geese and 3 more hens to his farm. What is the new r
laiz [17]
12:12. simplified to 1:1
8 0
3 years ago
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Justin launches a rocket straight up into the air. The table below gives the height(t) of the rocket (in meters) at a few times
Papessa [141]

Using it's formula, the average rates of change are given as follows:

a) 30 meters per second.

b) -10 meters per second.

<h3>What is the average rate of change of a function?</h3>

The average rate of change of a function is given by the <u>change in the output divided by the change in the input.</u> Hence, over an interval [a,b], the rate is given by the following equation:

r = \frac{f(b) - f(a)}{b - a}

For item a, taking the data from the table, we have that:

  • f(0) = 0.
  • f(4.6) = 138.

Hence the rate is given as follows:

r = (138 - 0)/(4.6 - 0) = 30 meters per second.

For item b, taking the data from the table, we have that:

  • f(9.2) = 23.
  • f(11.5) = 0.

Hence the rate is given as follows:

r = (0 - 23)/(11.5 - 9.2) = -10 meters per second.

More can be learned about the average rate of change of a function at brainly.com/question/11627203

#SPJ1

3 0
1 year ago
Can I have some help?
earnstyle [38]
#1) so if the ratio is 2/3 and the other fraction is 16/?, all you have to do is figure out what it took to get there. For example, if the beginning fraction is 2/3 and the second one is 16/?, we at least know that 2 times 8 is 16, so all we have to do is multiply 3 times 8 to get the bottom number which is 24. So 24 is the amount of tan tiles they will need.

(I’ll comment the next two answers)
3 0
3 years ago
Write a thesis statement for your argument aginst online learning
Marina86 [1]

Answer:

Online Learning is bad because it can cause social Isolation, it requires strong self-motivation and time management skills , Lack of communication skill development in online students and cheating prevention during online assessments is very complicated.

Step-by-step explanation:

3 0
3 years ago
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