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Sphinxa [80]
2 years ago
11

HELPP ME PLEASE!!!!!!!!!!!

Mathematics
2 answers:
abruzzese [7]2 years ago
8 0

Answer:

Sometimes rational

Step-by-step explanation:

pls mark brainliest

Vlad1618 [11]2 years ago
7 0

Answer:

Sometimes Rational

Step-by-step explanation:

If this helped pls give Brainliest

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Please help!<br><br> 7|-7x-3|=21
arlik [135]

Divide by 7.

... |-7x -3| = 3

Unfold to two equations.

... -3 = -7x -3 . . . . . the content of the absolute value is negative

... 0 = -7x . . . . . . . . add 3

... 0 = x . . . . . . . . . . divide by -7

and

... 3 = -7x -3 . . . . . . the content of the absolute value is positive

... 6 = -7x . . . . . . . . add 3

... -6/7 = x . . . . . . . . divide by -7

The solutions are ...

... x = -6/7 or x = 0

_____

Many graphing programs will happily tell you the locations of x- and y-intercepts, so it is convenient to rewrite the equation so its value is zero at the solution points. We can do that by subtracting the right side constant to get ...

... 7|-7x -3| -21 = 0

7 0
3 years ago
Help please/////////////////////
Wewaii [24]

i dont understand the question

7 0
2 years ago
How is simplifying similar to division?
Alex
When you simpilfy a fraction you make it smaller. When you divide a number you make it smaller.

Ex: 5 /5 1
_ = _
10 /5 2
3 0
3 years ago
Read 2 more answers
for the spring fundraiser, there were 50 committee members. Each member worked 2 hour. The eveent raised $ 1,267.00. What amount
Sindrei [870]
50 x 2 =100 hours
1267/100= 12.67
$12.67 was raised per hour
3 0
2 years ago
What is the length of s?​
vovangra [49]

Answer:

s = 16.97 units

Step-by-step explanation:

Since this is a right triangle, we can use trigonometry to figure out the lengths of the sides.

Look at the 45 degree angle. We can use the opposite side (12) and the hypotenuse (s) to solve for s.

Opposite and hypotenuse is sine, so we are using sine. The sine of 45 degrees is 0.70710678118. Make an equation like so:

  • 0.70710678118 = \frac{12}{s}, and we are solving for s.

Put a 1 in the denominator of sine(45 degrees) so you can cross-multiply.

  • \frac{0.70710678118}{1} =\frac{12}{s}

Cross multiply.

  • 0.70710678118s = 12

Divide both sides by sine(45 degrees).

  • s = 16.97

The length of side s is 16.97 units.

Another way to have done this problem is to use the Pythagorean theorem: a^2 + b^2 = c^2

Substitute 12 for a and b and solve for c, the hypotenuse.

  • (12)^2 + (12)^2 = c^2

Evaluate the exponents.

  • 144 + 144 = c^2

Add them together.

  • 288 = c^2

Square root 288 to solve for c.

c = 16.97, which is the same answer as you got using trigonometry.

6 0
3 years ago
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