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navik [9.2K]
3 years ago
5

Pls help me pls pls pls help me. thanks. ​

Mathematics
2 answers:
Naddika [18.5K]3 years ago
3 0

Answer:

7ab

Hope it helped.

nikdorinn [45]3 years ago
3 0

Answer:

Step-by-step explanation:

21ab² = 3 * 7 * a * b²

28abc = 2 * 2 * 7 * a * b * c

42abc² = 2 * 3 * 7 * a * b * c

HCF = 7ab

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Math problem help me
Ratling [72]

Answer:

y=3x+2

Step-by-step explanation:

To find the equation, use the slope-intercept formula:

y=mx+b

m is the slope and b is the y-intercept. Now, it'll really help to draw a line through the points, connecting them. If you look at point (0,2), we can see that this is the y-intercept (where a point sits on the y-axis when x=0). You can insert this into the equation by taking the y value:

(0,2)\\y=mx+2

Now, take any two points to find the slope. To make it easier, I'll use (1,5) and (0,2). Use the slope formula for when you know two points:

\frac{y(2)-y(1)}{x(2)-(x1)} =\frac{rise}{run}

Rise over run is the change in the y-axis over the change in the x-axis. Insert values:

(1(x1),5(y1))\\(0(x2),2(y2))\\\\\frac{2-5}{0-1}

Solve:

\frac{2-5}{0-1}=\frac{-3}{-1}

Since both are negative, the result is a positive:

\frac{-3}{-1}=\frac{3}{1} =3

Insert this into the equation as m, the slope:

y=3x+2

Done.

6 0
3 years ago
-(j-7)+3=5 what is j?
Fofino [41]
The answer is 5/ j=5
7 0
3 years ago
Which are the roots of the quadratic function f(q) = q2 – 125? Select two options.
dalvyx [7]

Answer:

Step-by-step explanation:

your equation shown above is set up incorrectly in order to solve this i need the right equation you must plug in each number to q to find the right solution

4 0
3 years ago
Read 2 more answers
There are 30 students in a year 6 class.
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Answer:

32

Step-by-step explanation:

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How do you multiply fractions
cricket20 [7]

The way to multiply fractions include:

  • The first step when multiplying fractions is simply to multiply the two numerators.
  • The second step is to multiply the two denominators.
  • Finally, simplify the new fractions

<h3>What are fractions?</h3>

It is important to note that fractions are part of whole numbers.

Fir example, to multiply 2/3 by 1/5 will be:

= 2/3 × 1/5

= 2/15

In conclusion, one has to multiply the numerator and them multiply the denominator.

Learn more about fractions on:

brainly.com/question/17220365

#SPJ1

7 0
1 year ago
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