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LuckyWell [14K]
3 years ago
14

Factor this expression completely. 9x (squared) -16​

Mathematics
2 answers:
Vesna [10]3 years ago
8 0
9x^2-16= (3x+4)(3x-4)
notsponge [240]3 years ago
3 0
Soln,

here

9 {x}^{2} - 16

= ( {3x)}^{2} - {4}^{2}

= (3x + 4)(3x - 4)
I hope this was helpful.
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What is the equation of the line that passes through the point (−4,−3) and has a slope of \frac{3}{4}
yawa3891 [41]

Answer:

y = \frac{3}{4} x

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = \frac{3}{4} , then

y = \frac{3}{4} x +c ← is the partial equation

To find c substitute (- 4, - 3) into the partial equation

- 3 = - 3 + c ⇒ c = - 3 + 3 = 0

y = \frac{3}{4} x ← equation of line

8 0
3 years ago
-0.5x=3.6<br><br> F. -72<br> G. -7.2<br> H. 7.2<br> I. 72
masya89 [10]

Answer:

G

Step-by-step explanation:

3.6÷-0.5 is -7.2, so it's G

8 0
2 years ago
Write a rule for the linear function whose graph has slope m and contains the given point.
Kitty [74]
The rule for the linear graph is y=mx
6 0
3 years ago
the perimeter of a rectangular field is 346 yards if the length of the field is 92 yards what is its width
Maslowich

the formula for the perimeter of a rectangle is

P= 2(L+W)

with L representing length and W representing width

since we have the perimeter and the length, we can plug the values into the equation to find W

346 = 2(92+w)

346 = 184 + 2W

162 = 2W

81 = W

the width of the field is 81 yards.

hope this helped!

4 0
3 years ago
Read 2 more answers
Answer this and get 50 points.​
Ne4ueva [31]

Answer:

the answer is 10°

Step-by-step explanation:

110 + 60 = 170°

so we left with the 10° to complete it 180°

hope this helps

6 0
4 years ago
Read 2 more answers
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