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netineya [11]
2 years ago
5

Help Math Analysis !!!!

Mathematics
1 answer:
erica [24]2 years ago
8 0
3x + 4y = 17     (1)
-4x - 3y = -18    (2)

multiply equation (1) by 4 and equation (2) by 3 to eliminate x

(× 4)  12x + 16y = 68     (1)
(× 3)  -12x - 9y  = -54     (2)
---------------------------------------------Add
7y = 14
  y = 2

Replace y = 2 into equation (1) 3x + 4y = 17 to find x

3x + 4(2)= 17 
3x + 8 = 17
3x = 9
  x = 3

Anwser:
(3,2)

Hope it helps
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We know that angle 1 is congruent to angle 3 and that line a is parallel to line b because they are given. We see that _________
Virty [35]

Answer:

  ∠1 ≅ ∠2

Step-by-step explanation:

The transitive property says that if ∠1 ≅ ∠3 and ∠1 ≅ ∠2, then ∠2 ≅ ∠3. The missing part of this statement in the paragraph is ∠1 ≅ ∠2.

5 0
3 years ago
Read 2 more answers
Samira buys a car the car loses 23% of its value in the first year. at the end of the first year her car is worth 6575.80 dollar
Andreyy89

Answer: Samira paid $8540 for her car.

Step-by-step explanation:

Let x = Amount paid by Samira for her car.

Given: Depreciation rate = 23%

Worth of car after one year = $ 6575.80

As per given,

x - 23 % of x = 6575.80

⇒ x - 0.23x = 6575.80

⇒ 0.77x= 6575.80

⇒ x= $8540   [Divide both sides by 0.77]

Hence, Samira paid $8540 for her car.

6 0
3 years ago
Divide £50 in the ratio of 1:4
NikAS [45]
Answer=10:40


Explanation:

Don’t know how to type the symbol in font of the 50 so I will substitute
£50=$50

So 1:4
Add it up
1+4=5

So 5 total units
$50=5
Divided by 5
$10=1 units

So 1:4=10:10 times 4=10:40
6 0
3 years ago
Evaluate y=x+5 when y=10.
MAXImum [283]

Answer:

5

Step-by-step explanation:

Subtract 5 to both sides when plugging in 10 for y.  

10=x+5 \\-5      -5⇒5=x

8 0
2 years ago
What is the answer? <br> Expand and simplify 6(2x-3)-2(2x+1)
vitfil [10]

Answer:

8x-20

Step-by-step explanation:

Distribute:

=(6)(2x)+(6)(−3)+(−2)(2x)+(−2)(1)

=12x+−18+−4x+−2

Combine Like Terms:

=12x+−18+−4x+−2

=(12x+−4x)+(−18+−2)

=8x+−20

Answer:

=8x−20

7 0
3 years ago
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