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ikadub [295]
3 years ago
10

Evaluate - 2x - 6y when x = 5, y=-3

Mathematics
1 answer:
Vitek1552 [10]3 years ago
5 0

Answer:

-28 i think

extra words so i can submit

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Can someone please help me with these
OLga [1]

Answer:

1. 1072.6

2. 753.6

3. 194.2

4. 59.5

5. 4848.3

6. 1818.3

Step-by-step explanation:

We have to use the trigonometric functions sin, cos, and tan. Remember the mnemonic SOH-CAH-TOA when solving these problems. (sinθ=opposite/hypotenuse, cosθ=adjacent/hypotenuse, tanθ=opposite/adjacent)

1. tan(40)=900/x

x=900/tan(40)

x=1072.6

2. tan(37)=x/1000

1000tan(37)=x

753.6=x

3. sin(18)=60/x

x=60/sin(18)

x=194.2

4. sin(48)=x/80

80sin(48)=x

59.5=x

5. tan(22)=x/12000

12000tan(22)=x

4848.3=x

6. tan(33)=x/2800

2800tan(33)=x

1818.3=x

7 0
3 years ago
19x+46=<br> help meeeeeeeeeeee
strojnjashka [21]

Answer:

u just add it

Step-by-step explanation:

3 0
3 years ago
What is the product<br><br>(3x-6)(2x²-7x+1) <br><br>​
Mama L [17]

Answer: I think its 63−332+45−6

Step-by-step explanation:

4 0
3 years ago
The average rainfall in inches in Miami from January to May is 1.61, 2.24, 2.99, 3.15, 5.35, and 9.68 while it is 2.24, 2.8, 3.0
vredina [299]
The answer is 100% A
6 0
3 years ago
Read 2 more answers
Which angles are supplementary to each other?
user100 [1]

Answer:

Angles 2 and 3 are supplementary to each other

Step-by-step explanation:

A supplementary angle is 2 angles that when you add the sum is 180.

4 0
3 years ago
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