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EleoNora [17]
3 years ago
14

Rearrange the equation so q is the independent variable. -7q + 12r = 3q - 4r

Mathematics
1 answer:
babunello [35]3 years ago
5 0

Answer:

q = 8/5r or q = 1.6r

Step-by-step explanation:

-7q + 12r = 3q - 4r

+7q           +7q

12r = 10q - 4r

+4r           +4r

16r = 10q

/10    /10

16/10 = 8/5     8/5 = 1.6

<u>q = 8/5r</u> or <u>q = 1.6r</u>

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Find the intersection points of the linear and quadratic functions shown below f(x)=2x-5 g(x)= x2+2x-21
Mice21 [21]

Answer:

(-4,-13) and (4,3) the intersection points.

Step-by-step explanation:

Intersection point of two functions is a common point which satisfies both the functions.

Given functions are,

f(x)=2x-5

g(x)=x^2+2x-21

For a common point of these functions,

f(x)=g(x)

2x-5=x^2+2x-21

-5=x^2-21

0=x^2-16

x^2=16

x=-4,4

For x=-4,

f(-4)=g(-4)=2(-4)-5

                       =-13

For x=4,

f(4)=g(4)=2(4)-5

                  =3

Therefore, (-4,-13) and (4,3) the intersection points.

3 0
2 years ago
Evaluate 1/3 - 5/6<br><br> I NEED THIS ASAP!!!
MissTica

Answer:

-1/2

Step-by-step explanation:

2/6 - 5/6= -3/6

= -1/2

4 0
2 years ago
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Do parallel lines intersect?
zhenek [66]

Answer:

No parallel lines will never intersect.

Step-by-step explanation:

They go in the same direction almost like an equals sign "="

4 0
2 years ago
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Help me please urgent
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The inscribed angle is always half of the central angle. 
So 60÷2=30
6 0
2 years ago
Amanda drove for 3 hours through different traffic conditions. her average speed was 50mph for the first hour, 72 mph for the se
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Distance traveled in the first hour = 50 miles

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Answer:  7.30 gallons

7 0
2 years ago
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