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max2010maxim [7]
2 years ago
9

What is the solution for x in the equation? 4x-3+5 = 2x + 7 - 8x

Mathematics
1 answer:
Nezavi [6.7K]2 years ago
6 0

Answer:

x = 1/2

Step-by-step explanation:

4x - 3 + 5 = 2x + 7 - 8x

4x + 2 = -6x + 7

10x + 2 = 7

10x = 5

x = 5/10

x = 1/2

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Please help me solve this
MArishka [77]

9514 1404 393

Answer:

  sin(θ) ≈ -0.92

  cos(θ) ≈ 0.38

  tan(θ) = -2.40

Step-by-step explanation:

Let r represent the distance of the point from the origin. The Pythagorean theorem tells us ...

  r² = (5)² + (-12)²

  r² = 169

  r = √169 = 13

The trig relations for a point on the terminal ray are ...

  (x, y) = (r·cos(θ), r·sin(θ))

Then ...

  sin(θ) = y/r = -12/13 ≈ -0.92

  cos(θ) = x/r = 5/13 ≈ 0.38

  tan(θ) = y/x = -12/5 = -2.40

7 0
3 years ago
Aliens have injected Ana with mathematical nanobots. These nanobots force Ana to think about math more and more. Initially, ther
natulia [17]

Answer:

<em>Math will take over Ana's brain at 4.4 hours</em>

Step-by-step explanation:

<u>Exponential Grow </u>

The population of the nanobots follows the equation  

p(t) = 5\cdot 2^t

We must find the value of t such that the population of nanobots is 106 or more, that is

5\cdot 2^t\geq 106

We'll solve the equation

5\cdot2^t= 106

Dividing by 5

2^t= 106/5=21.2

Taking logarithms

log(2^t)= log(21.2)

By logarithms property

t\cdot log(2)= log(21.2)

Solving for t

\displaystyle t=\frac{log21.2} {log2}

t=4.4 \ hours

Math will take over Ana's brain at 4.4 hours

6 0
3 years ago
If elf =gjh ef=12 and Lf=7.8 find ij
gavmur [86]

Answer:

IJ= 4.98

Step-by-step explanation:

EF = 12

KF = 6

LF = 7.8

LK = sqrt(7.8^2-6^2) = 4.98

IJ = LK (4.98)

8 0
2 years ago
7m - 17 = -24<br> what is m?
aev [14]

Answer:

Move all terms that don't contain

m

to the right side and solve.

Exact Form:

m

=

41

7

Decimal Form:

m

=

5.

¯¯¯¯¯¯¯¯¯¯¯¯

857142

Mixed Number Form:

m

=

5

6

7

Tap to view steps...

3 0
2 years ago
Convert 550cm to meters
Viefleur [7K]

1 meter = 100 cm

550/100 = 5.5

 5.5 meters

4 0
3 years ago
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