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Aleksandr [31]
2 years ago
10

X - 2y = -3 2x + y = -1

Mathematics
2 answers:
lianna [129]2 years ago
7 0

Answer:

it can only be simp[lified

so it will be

(x+2x)+(y+2y)=-3-1

3x+3y=-4

cannot be solved further

Step-by-step explanation:

bezimeni [28]2 years ago
3 0

Answer:

y = 1

x = -1

Step-by-step explanation:

x - 2y = -3, then x = 2y - 3

2x + y = -1

substitute for x:

2(2y - 3) + y = -1

4y - 6 + y = -1

5y = 5

y = 1

x = 2 - 3 = -1

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Evgesh-ka [11]

Given:

Base length of triangle = 40 units

Height of triangle = 9 units

Length of hypotenuse of triangle = 41 units

To find:

Find the value of Tan A

Steps:

Tan of an angle is equal to the opposite length by adjacent length.

So,

Tan A = \frac{opposite}{adjacent}

Tan A = \frac{9}{40}

Tan A = 0.225

Therefore, the exact value of Tan A is 0.225.

Happy to help :)

If you need any help, feel free to ask

4 0
2 years ago
One kilometer is 1000 meters complete the table 250 meters equals how many kilometer
Misha Larkins [42]

0.25 km is the answer.

1km = 1000m

x = 250

x = 250/1000

x = 0.25

6 0
3 years ago
A family buys a car for $20,000. The value of the car decreases about 20% per year. After 6 years, the family decides to sell th
Ugo [173]

Answer:

No

Step-by-step explanation:

The car starts at 20 000

After 1 year, it's worth 18 000

After 2 years, it's worth 14 400

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After 5 years, it's worth 7 424

After 6 years, it's worth 5 975.20

No, the family should not sell the car for 4000

3 0
2 years ago
Given triangle MNO, find the measure of angle NMO<br><br> A. 38°<br> B. 52°<br> C. 76°<br> D. 105°
Aliun [14]

Answer:

the answer is C 76 hope this helps!!

Step-by-step explanation:

7 0
2 years ago
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