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xz_007 [3.2K]
3 years ago
14

The cruising speed of a certain airplane is approximately Mach 0.68, meaning 0.68 times the speed of sound. If the speed of

Mathematics
1 answer:
Nonamiya [84]3 years ago
5 0
Tryna get to 100% sorry
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Consider the line y= -7/4x+8
VARVARA [1.3K]
Perpendicular line has slope that multiplies to -1
paralel line has same slope

y=mx+b
slope=-7/4
perpendicular
4/7
(-7,-2)
-2=4/7(-7)+b
-2=-4+b
add 4 both sides
2=b
y=4/7x+2


paralel
y=-7/4x+b
-2=-7/4(-7)+b
-2=49/4+b
minus 49/4 from both sides (-2=-8/4)
-57/4=b
y=-7/4x-14.25


perpendicular
y=4/7x+2
paralel
y=-7/4x-14.25
8 0
2 years ago
Drag each term to the correct location on the expression. each term can be used more than once, but not all terms will be used.
grandymaker [24]

Answer:

4(x-3)(x+6)

Step-by-step explanation:

We factor out the 4 first since all numbers are divisible by 4. That leaves us with x^2+3x-18.

Then we factor this to get (x-3)(x+6).

So the factored form of the equation is 4(x-3)(x+6)

8 0
3 years ago
Determine the number of zeros of the polynomial function <br> F(x) = x^4 - x^7
Tresset [83]

Answer:

7

Step-by-step explanation:

Using fundamental theorem of algebra, there should be 7 roots, if you count multiplicity.

If you're only counting distinct roots, then there should be 4 roots.

5 0
2 years ago
Find the domain of the function <br><br> f(x)= 5x^2 +2x-1
emmasim [6.3K]
The domain is x such that x belong to real number
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3 years ago
How long will it take pablo to bike 72 miles if he is biking at a speed of 8 mph
BartSMP [9]

Think as seven (7) hours

3 0
3 years ago
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