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Yuliya22 [10]
3 years ago
7

Need help please thanks

Mathematics
2 answers:
dmitriy555 [2]3 years ago
6 0
A is the answer cause 5x6 equals 30 and you have to multiple the top by 6 two which will give you 12 (2x6)
julia-pushkina [17]3 years ago
5 0

Answer:

12 because 12/30 is equal to 40% and 2/5 is is equal to 40% too

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Find equation of a line with the given slope that passes through the given point. Write the equation in the form Ax + By = C.
attashe74 [19]

Answer:

5x + y = -28

Step-by-step explanation:

Hi there!

We're given that a line has a slope of -5 and contains the point (-4, -8)

We want to write the equation of this line in standard form

Standard form is given as ax+by=c, where a, b, and c are free integer coefficients, but a and b cannot be zero, and a cannot be negative

Before we write the equation in standard form however, we need to write it in slope-intercept form, which is y=mx+b, where m is the slope & b is the y intercept

As we are already given the slope, we can immediately plug that in for m in y=mx+b

y=-5x+b

Now to find b:

As the equation passes through the point (-4, -8), we can use its values to help solve for b

Substitute -4 as x and -8 as y:

-8 = -5(-4) + b

Multiply

-8 = 20 + b

Subtract 20 from both sides

-8 = 20 + b

-20  -20

__________

-28 = b

substitute -28 as b

y = -5x - 28

We found the equation in slope-intercept form, but remember, we want it in standard form

In standard form, both x and y are on the same side; so, let's move 5x to the other side; to do this, we need to add 5x to both sides

y = -5x - 28

+5x +5x

_________

5x + y = -28

Hope this helps!

3 0
2 years ago
What are the different communication models?<br><br><br>​
Illusion [34]

Answer:

The three most well known models for communication are Linear, Interactional, and Transactional. As West & Turner (2007) explain, each model sheds light on the development of communication, but emphasizes different parts of the communication process.

Step-by-step explanation:

mark me as the brainliest

8 0
2 years ago
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In my closet I have 7 pairs of jeans and 4 pairs of slacks. I need to pack 6 of these items on vacation. In how many different w
jeka57 [31]
You can have 3 ways.................... ;)
3 0
3 years ago
A square has a perimeter of 12 cm. do you know its area
Anvisha [2.4K]

Answer:

9 cm^2

Step-by-step explanation:

If the perimeter of the square is 12 cm, then the length of ONE side is (1/4) of that, or 3 cm.

The area of this square is A = s^2, where s is the length of one side.

Here we have A = (3 cm)^2 = 9 cm^2.

6 0
3 years ago
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This table shows the ratio of the number of people to the number of pizzas needed. A 2-column table has 4 rows. Column 1 is labe
Bezzdna [24]

Answer:

4

Step-by-step explanation: if you multiply 5*4 you get 20 both of these numbers are on the chart so if you compare the numbers in the other column that go along with these numbers you'll see that those numbers are 2 and 8 and if you do 8/2 you get 4 and 2*4 = 8

3 0
3 years ago
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