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Lelu [443]
3 years ago
15

Does 2/3 = 7/16?..........................

Mathematics
2 answers:
Artist 52 [7]3 years ago
7 0
2/3 = 2 ÷ 3 = 0.67

7/16 = 7 ÷ 16= 0.4375

Unfortunately, they are NOT equivalent to each other.. so therefore this statement is false

or

2/3 = divide one on both of your sides it will give you 2/3 (again) ; 7/16 divide one on both of your sides, which will give you 7/16 again

that's how we know its false
siniylev [52]3 years ago
6 0
\frac{2}{3}=\frac{7}{16}

To figure it out, cross multiply:

32=21
Since the values are not equal, 2/3 does no equal 7/16

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(ab - 9)(ab + 8)<br> please simplify for me
Ahat [919]

1. Use the FOIL method: (a+b)(c+d)=ac+ad+bc+bd(a+b)(c+d)=ac+ad+bc+bd(a+b)(c+d)=ac+ad+bc+bd

a​^2​​b​^2​​+8ab−9ab−72

2. Collect the like terms

a^2b^2+(8ab−9ab)−72

3. Simplify

a^2b^2-ab-72

Hope this helps




5 0
3 years ago
Malia runs 5 miles in 1 hour. How many miles does she run in half an hour? In 2 1/2 hours?
Olegator [25]
1/2 hr* (5 miles/ 1 hr)= 2.5 miles.

2 1/2 hrs* (5 miles/ 1 hr)= 12.5 miles.

Malia runs 2.5 miles and 12.5 miles in 1/2 hr and 2 1/2 hrs respectively.

Hope this helps~
8 0
2 years ago
Find the slope of the line.
pickupchik [31]
There are several ways to do this.
I'll show you two methods.

1) Pick two points on the line and use the slope formula.
Look for two points that are easy to read. It is best if the points are on grid line intersections. For example, you can see points (-4, -1) and (0, -2) are easy to read.
Now we use the slope formula.

slope = m = (y2 - y1)/(x2 - x1)

Call one point (x1, y1), and call the other point (x2, y2).
Plug in the x1, x2, y1, y2 values in the formula and simplify the fraction.

Let's call point (-4, -1) point (x1, y1).
Then x1 = -4, and y1 = -1.
Let's call point (0, -2) point (x2, y2).
Then x2 = 0, and y2 = -2.

Plug in values into the formula:

m = (y2 - y1)/(x2 - x1) = (-2 - (-1))/(0 - (-4)) = (-2 + 1)/(0 + 4) = -1/4

The slope is -1/4

2) Pick two points on the graph and use rise over run.
The slope is equal to the rise divided by the run.
Run is how much you go up or down.
Rise is how much you go right or left.

Pick two easy to read points.
We can use the same points we used above, (-4, -1) and (-0, -2).
Start at point (0, -2).
How far up or down do you need to go to get to point (-4, -1)?
Answer: 1 unit up, or +1.
The rise is +1.
Now that we went up 1, how far do you go left or right top go to point (-4, -1)?
Answer: 4 units to the left. Going left is negative, so the run is -4.
Slope = rise/run = +1/-4 = -1/4

As you can see we got the same slope using both methods.
6 0
3 years ago
PLEASE HELP!!!30 POINTS
Tanzania [10]

Answer:

I Think Its C

Sorry if its wrong. Hope it helps...

4 0
3 years ago
What are the solutions to the following system?<br> -2x+y=-5<br> y --3x²+5<br> L
seraphim [82]
The problem seems confusing is it supposed to say y=?
3 0
3 years ago
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