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Leno4ka [110]
3 years ago
8

HELP ME PLEASE ASAP IM FAIL MATH

Mathematics
2 answers:
katrin2010 [14]3 years ago
7 0

Ommgggg I’m failing too twins

olga2289 [7]3 years ago
4 0
OMG SAME!!!!!!!!!!!!!!!!!
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24 POINTS!!!!!!
nika2105 [10]
5x - 2 equivalent to to  2x−2+3x

answer is B. 2x−2+3x
7 0
3 years ago
5tanx-2cotx+1=0...... .
Verdich [7]

Step-by-step explanation:

5(tanx)^2 -2 +tanx=0

let tanx=y

5y^2 + y-2=0

y=0.5403 or y= -0.7403

tanx=0.5403

x=arctan(0.5403)

x=28.38°

or

tanx=-0.7403

x=arctan(-0.7403)

x=143.49°

7 0
3 years ago
What is the length of
saveliy_v [14]

Answer:

17 units

Step-by-step explanation:

Because the triangle is isosceles, 2 of its sides are congruent; namely, the two sides that are opposite of the 2 congruent angles are contruent.

Because of the reason stated above, we can see that AC is congruent to BC, meaning that:

x+9=2x-8

-x      -x

9=x-8

+8  +8

17  = x

Notice that BC is equal to x, so 17 is our final answer.

6 0
2 years ago
What is the slope of the line that passes through the points (- 2, 2 ) and ( 8, -1 )
ELEN [110]

Answer: slope is -3/10

Step-by-step explanation:

3 0
3 years ago
A cell phone company charges a flat Rate of 4.75 per month with an additional charge .19 per minute. How many minutes did alexan
mote1985 [20]

Answer:The number of minutes that Alexandra talked on her cell phone is 120

Step-by-step explanation:

A cell phone company charges a flat rate of 4.75 per month with an additional charge 0.19 per minute. Assuming the total number of minutes of call made for the month is represented by x and the total cost of x minutes of call is y, then

y = 0.19x + 4.75

To determine how many minutes that Alexandra talked on her cell phone if his monthly bill was 27.55, we would substitute y = 27.55 into the equation. It becomes

27.55 = 0.19x + 4.75

0.19x = 27.55 - 4.75 = 22.8

x = 22.8/0.19 = 120 minutes.

8 0
3 years ago
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