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Zigmanuir [339]
3 years ago
9

What is the gcf of 7 and 28

Mathematics
2 answers:
dexar [7]3 years ago
6 0

Answer:

7

Step-by-step explanation:

The greatest common factor of 7 and 28 is 7.

valentinak56 [21]3 years ago
4 0

Answer: 7

The greatest common factor of 7 and 28 because 7 is the maximum number that goes into 7 and is also a multiple of 28.

Hope this helps!  :)

Step-by-step explanation:

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s2008m [1.1K]

Answer:

b

Step-by-step explanation:

8 0
3 years ago
The base of a triangle is nine centimeters longer than the perpendicular height. If the area of the triangle is 180 square centi
Rom4ik [11]

Answer:

<em>The base is 24 cm long.</em>

Step-by-step explanation:

<u>Equations</u>

Let's call

b= base of the triangle

h=height of the triangle

The base is 9 cm longer than the height, thus:

b = h + 9

The area of the triangle is:

\displaystyle A=\frac{bh}{2}

\displaystyle A=\frac{(h+9)h}{2}

And its value is 180:

\displaystyle \frac{(h+9)h}{2}=180

Multiplying by 2:

(h+9)h=360

Operating:

h^2+9h-360=0

Factoring:

(h-15)(h+24)=0

The only valid positive solution is:

h = 15 cm

And b = h + 9 = 24

b = 24 cm

The base is 24 cm long.

7 0
3 years ago
Solve the equation -6a(-5-2a)=0
Anuta_ua [19.1K]

Answer:

A=0,-2 1/2

Step-by-step explanation:

8 0
3 years ago
If shown a graph and asked for domain range and function how do you proceed?
nata0808 [166]

Considering their concepts, on the graph of a function, the domain and the range are given as follows:

  • Domain: Horizontal axis, values of x.
  • Range: Vertical axis, values of y.

<h3>What are the domain and the range of a function?</h3>

  • The domain of a function is the set that contains all the values of the input.
  • The range of a function is the set that contains all the values of the output.

In a graph, the horizontal axis represents the input and the vertical axis represents the output, hence the domain and the range are given as follows:

  • Domain: Horizontal axis, values of x.
  • Range: Vertical axis, values of y.

More can be learned about the domain and the range of a function at brainly.com/question/10197594

#SPJ1

7 0
2 years ago
Select the equations whose graphs are parallel to the graph of the equation y=23x+5.
iren [92.7K]

Answer:

2x-3y=9    and    4x-6y=30

Step-by-step explanation:

hello :  

note y=(2/3)x+5  no y=23x+5

2/3 is the slope....... all lines parallel to this line has same slope.

1)   2x-3y=9   means : 3y = 2x-9   divide by 3 : y=(2/3)x-3..same slope.

2)  4x-6y=30  means : 6y= 4x-30 divide by 6 : y=(4/6)x -30/6

but 4/6 = 2/3 so : y=(2/3)x-5..same slope.

6 0
3 years ago
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