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Setler [38]
3 years ago
5

Now that we have one of the variables from Part A isolated, and w the two original equations. Which of the following options rep

resents this? tten in terms of the other variable, we can now subsfiute this into the other of
2A + 3(3A-5)=4
2(B + 5) + 3B =-4
O 2A+3(-5)=4
Mathematics
1 answer:
almond37 [142]3 years ago
7 0

Answer:

2A + 3(3A - 5) = -4

Step-by-step explanation:

from the B part

2A + 3B = -4

where B =3A - 5

Substitute into the above equation;

2A + 3(3A - 5) = -4

2A + 9A - 15 = -4

11A = -4+15

11A = 11

A = 1

Put A = 1 in B = 3A - 5

B = 3(1) - 5

B = -2

The values are 1 and -2

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A farmer has both pigs and chickens on his farm there are 78 fee and 27 heads how many pigs and how many chickens are there
Andre45 [30]
Assuming health non-mutated animals:
Feet = 4*Pigs + 2*Chickens
Heads = Pigs + Chickens

By back substitution:
78 = 4*(27-Chickens) + 2*Chickens
78 = 108 -2*Chickens
-30 = -2*Chickens
Chickens= 15

Then:
27 = Pigs + 15
Pigs = 12

To check:
Feet = 4*Pigs + 2*Chickens
78 = 4*12 + 2*15
78 = 48 + 30
78 = 78 CHECKS
6 0
3 years ago
PLEASE EXPLAIN YOUR ANSWER
umka21 [38]

Answer:

equivalent to 58/100

and 58%

Step-by-step explanation:

7 0
3 years ago
The measure of an inscribed angle in a circle is ______ the measure of the intercepted arc.
xxMikexx [17]

C. Half

<u>Explanation:</u>

An inscribed angle is an angle with its vertex on the circle and whose sides are chords. The intercepted arc is the arc that is inside the inscribed angle and whose endpoints are on the angle.

The Inscribed Angle Theorem states that the measure of an inscribed angle is half the measure of its intercepted arc.

Inscribed angles that intercept the same arc are congruent.

An image is inserted for your reference.

7 0
3 years ago
8x = 7x + 3<br><br> Would I combine the 8x and the 7x at all in this equation?
Kryger [21]
Yes...thats what u want to do. you want to get the x terms on one side and everything else on the other side.

8x = 7x + 3....so we will subtract 7x from both sides
8x - 7x = 7x - 7x + 3....simplify
1x, or just x = 3 (because ur 7x's cancelled each other out)

so ur answer is : x = 3

and u can check ur answer by subbing it back into the original equation.
8x = 7x + 3
8(3) = 7(3) + 3
24 = 21 + 3
24 = 24 (correct)
3 0
3 years ago
Read 2 more answers
ECON
joja [24]
Office Administration
6 0
2 years ago
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