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Misha Larkins [42]
3 years ago
14

Which graph is the solution of the following systems HELP ON ON GRADPOINT

Mathematics
1 answer:
makkiz [27]3 years ago
6 0
I think it is the second one but I’m not for sure I’m really just doing this for points
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Split 63 into the ratio 4:3
ladessa [460]

Answer:

36 and 27

Step-by-step explanation:

4+3=7

63/7=9

9x4=36

9x3=27

4 0
3 years ago
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In 2 hours Cara read 48 pages. If she read he same number of pages each hour, how many pages did Cara read in one hour?
k0ka [10]
Cara read 24 pages in 1 hr.
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4 years ago
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How can I solve this following system of equation by substitution 3x-7y=4 and 2x+y=-3
Likurg_2 [28]
To solve the system of equations, we first need to isolate one of the variables in one of the equations. For this example, I'll isolate x from the second equation, because it will be much easier and I'll end up with simpler fractions.

2x + y = -3   Given
2x = -y - 3   Subtract y from both sides
x = -1/2y - 3/2

Now, we need to substitute x in the other equation for -1/2y - 3/2 so that we can find y.

3(-1/2y - 3/2) - 7y = 4   Substitute
-3/2y - 9/2 - 7y = 4   Multiply
-17/2y - 9/2 = 4   Collect like terms (wow, this is turning out to be a tough one, isn't it?)
-17/2y = 17/2
y = -1

Wow, such complicated work for such a simple answer. Anyway, now we can plug that into our answer for x to get x's value.

<span>x = -1/2y - 3/2   Given
</span>x = -1/2(-1) - 3/2   Substitute
x = 1/2 - 3/2   Multiply
x = -1   Subtract

Therefore, the solution for the system of equations is (-1,-1). It can be a bit intimidating with all the fractions, but the question decided to be nice and give us simple answers.

Hope this helps!
5 0
3 years ago
What is the value of x in the triangle?
Brrunno [24]

Answer:

C) 7\sqrt{2}

Step-by-step explanation:

in an isosceles triangle, the hypotenuse equals a leg multiplied by \sqrt{2}

8 0
3 years ago
Maya earns $6.36 for each hour of work. She worked 7.5 hours yesterday. Find how much she earned yesterday.
Marysya12 [62]
<span>6.36 x 7.5 = 47.7

she earned 47.7$</span>
4 0
4 years ago
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