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yaroslaw [1]
3 years ago
6

If you’re super bored and not dry click here!

Mathematics
2 answers:
ASHA 777 [7]3 years ago
6 0
What nehejwiwiwkssmsnnas
kifflom [539]3 years ago
5 0

Answer:

........

Step-by-step explanation:

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A father is four times as old as his daughter. In 8 years, he will be three times as old as she is. How old is the daughter now
uysha [10]

Answer:

The daughter is 16 and the father is 64

Step-by-step explanation:

f=father

d=daughter

f = 4d

f+8 = 3(d+8)

solving-

d=16

f=64

4 0
2 years ago
Read 2 more answers
If the principle is $200 and the interest rate is 4%
Alex787 [66]
4% of $200 is $8. So I don’t think you finish the question, so I assume the interest rate is increasing by months. If that’s true then the $8 is added each month.
6 0
3 years ago
Brad walked 2.5 miles in 5/6 of an hour.how fast does he walk per hour
Lelu [443]

Answer:

Rate or speed=3 Miles per hour

Step-by-step explanation:

Brad walked 2.5 miles in 5/6 of an hour.

Distance covered by Brad = 2.5 miles

Distance covered by Brad= 2 1/2 miles

Distance covered by Brad= 5/2 miles

Time taken to cover the distance = 5/6 of an hour

His rate of walking or how fast he walks is determined by the formula

Rate or speed= distance/time

Rate or speed=( 5/2)/(5/6)

Rate or speed= (5/2)*(6/5)

Rate or speed=6/2

Rate or speed=3 Miles per hour

6 0
3 years ago
What value of x would make rq tangent to Circle P at point Q?
Novay_Z [31]
If Q is tangent to circle P, that means that it is perpendicular to the radius at the point of tangency.  This means that ΔPRQ would be a right triangle.  We can use the Pythagorean theorem to solve this.
9² + 12² = (x+9)²
We use x+9 because the unknown segment x would combine with the radius, 9, to give that side of the triangle (the hypotenuse).
81 + 144 = (x+9)(x+9) ---- remember that squared means multiplied by itself
225 = (x+9)(x+9)
Multiply the right hand side:
225 = x² + 9x + 9x + 81
225 = x² + 18x + 81
Subtract 225 from both sides:
225 - 225 = x² + 18x + 81 - 225
0 = x² + 18x - 144
Use the Quadratic Formula to solve:
x=\frac{-b \pm \sqrt{b^2-4ac}}{2a}
\\
\\x=\frac{-18 \pm \sqrt{18^2-4(1)(-144)}}{2(1)}
\\
\\x=\frac{-18 \pm \sqrt{324--576}}{2}
\\
\\x=\frac{-18 \pm \sqrt{324+576}}{2} = \frac{-18 \pm \sqrt{900}}{2}
This gives us
x=\frac{-18 \pm 30}{2} = \frac{-18+30}{2} \text{ or } \frac{-18-30}{2}
Since -18 - 30 = -48, and a negative number doesn't make sense in this situation, we have 
x = (-18+30)/2 = 12/2 = 6.

7 0
3 years ago
Read 2 more answers
At which root does the graph of f(x) = (x + 4)6(x + 7)5 cross the x-axis?
Gennadij [26K]

Answer:

at x = -7  it will cross over

Step-by-step explanation:

Roots    -4   and  -7

 the power of 6   means the graph will not crossover (it will be positive...kinda like a parabola)

 the power of 5 means there will be a negative component of the graph and it will cross over the axis

3 0
2 years ago
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