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mina [271]
3 years ago
6

Someone please help!!!

Mathematics
1 answer:
ycow [4]3 years ago
8 0

Answer:

C: -1,2

Step-by-step explanation:

The solution is where both line intersect and touch each other.

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5-2(x+2)=12 <br> Decimal Form and work under the problem too HURRY!!!1
lidiya [134]
5-2(x+2)=12. 3(x+2)=12. 3x+6=12.
-6. -6

3x=6. Divide 6 by 3x. x=2
4 0
3 years ago
Need help with 61. Show steps please.
skelet666 [1.2K]
Just do 3x+5+2x=90 And solve for x.

So, 5x+5=90
5x=85
x=85/5 = 17

now you know the value of x, so you can calculate the angles.

Btw the total angle of a triangle is 180, and since this is a right angle triangle, you know that the two angles added together needs to equal 90.
3 0
3 years ago
Sin\theta +cos\theta =1
Mamont248 [21]

Answer:

θ = 2 π n_1 + π/2 for n_1 element Z  or θ = 2 π n_2 for n_2 element Z

Step-by-step explanation:

Solve for θ:

cos(θ) + sin(θ) = 1

cos(θ) + sin(θ) = sqrt(2) (cos(θ)/sqrt(2) + sin(θ)/sqrt(2)) = sqrt(2) (sin(π/4) cos(θ) + cos(π/4) sin(θ)) = sqrt(2) sin(θ + π/4):

sqrt(2) sin(θ + π/4) = 1

Divide both sides by sqrt(2):

sin(θ + π/4) = 1/sqrt(2)

Take the inverse sine of both sides:

θ + π/4 = 2 π n_1 + (3 π)/4 for n_1 element Z

or θ + π/4 = 2 π n_2 + π/4 for n_2 element Z

Subtract π/4 from both sides:

θ = 2 π n_1 + π/2 for n_1 element Z

or θ + π/4 = 2 π n_2 + π/4 for n_2 element Z

Subtract π/4 from both sides:

Answer: θ = 2 π n_1 + π/2 for n_1 element Z

or θ = 2 π n_2 for n_2 element Z

4 0
3 years ago
The h.w. grant corporation used regression analysis to predict the annual cost of indirect materials. the results were as​ follo
grin007 [14]
Indirect material cost: y
explained by units produced: x
Linear regression. Cost estimation equation: y=mx+b
Constant: b=$15,640
Standard error of y estimate=$3,600
r^2=0.7704
Number of observations: n=22
x coeffient: m=11.25
Standard error of x coefficient=2.19

m=11.25, b=15,640 → y=11.25x+15,640

Answer: The cost estimation equation is y=11.25x+15,640
4 0
3 years ago
Read 2 more answers
HELP! THIS IS DUE SOON!!!
Bas_tet [7]

Answer:

4 candles

Step-by-step explanation:

x = amount of candles

use the equation: $24.75 X = $100

7 0
2 years ago
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