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avanturin [10]
3 years ago
7

What do you do when you must solve a system of equations by elimination but all of the coefficients on the variables are differe

nt? What is important to remember when doing this?
Mathematics
1 answer:
N76 [4]3 years ago
3 0
<span>The coefficients are of no consequence. Just find a way to make it what you want. Please provide an example of what is troubling you and why you think it is trickier than those you already have solved.</span>
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Mai and priya scooters. Mai travel 50 m in six seconds. Priya travel 22 m in 10 seconds who is moving faster
Anton [14]

Answer:Mai is moving faster

Step-by-step explanation:

Speed is given as  = Distance / Time

Mai's speed  = 50 / 6=   8.333 m/s

Priya's speed = 22 /10  =  2.2 m/s

Since Mai is  moving at 8.333 meter per second compared to Priya who s moving at 2.2 meter per second , We can say Mai is moving faster

4 0
3 years ago
Please help!! I need to know this by today
exis [7]
I think it's 3 feet


Hope this helps
5 0
3 years ago
Let line A be the graph of 5x + 8y = -9. Line B is perpendicular to line A and passes through the point (10,10). If line B is th
frozen [14]
Find slope of line A:
Move into slope-intercept form y = mx+b

<span>5x + 8y = -9
8y = -5x - 9
y = (-5/8)x - 9/8

The slope of line A is -5/8.

If </span><span>Line B is perpendicular to line A, then

slope Line B = negative reciprocal of slope Line A</span>
<span>slope Line B = 8/5

So like B has the equation

y = (8/5)x + b

If it passes through (10,10), we know that when x = 10, y = 10. Use those values to solve for b:
</span>
<span>y = (8/5)x + b
10 = (8/5)·10 + b</span>
<span>10 = (8)·2 + b
10 = 16 + b
b = -6

So line B has equation </span>
<span>y = (8/5)x - 6

m = 8/5 and b = -6

so

m + b = 8/5 - 6 = 8/5 - 30/5 = -22/5

So m+b = -22/5 or -4.4 in decimal form
</span>
6 0
3 years ago
Find the perimeter of the figure. Round all figures to the nearest hundredths place. Isosceles trapezoid
zhannawk [14.2K]

Answer:

d. 92.84

Step-by-step explanation:

The top edge overhangs the bottom edge by (39 -27)/2 = 6 ft on both ends. This makes the slant side have length  

.. √((6 ft)^2 +(12 ft)^2) = 6√5 ft

Then the perimeter is

.. (39 +6√5 +27 +6√5) ft = 66 +12√5 ft

= 92.83 ft

6 0
3 years ago
Estimate the problem 3,844 ÷75​
blondinia [14]

Answer:88

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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