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3 years ago

What is 27 - (6)???????????????????????????

Mathematics

1 answer:

jeka57 [31]3 years ago

5 0

The answer is 21 :) 27-6=21 if you subtract 6 from 27

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Find the value of x A. does not exist B. -7 C. 26 D. 35

alexandr1967 [171]

Answer:

A-does not exist

Step-by-step explanation:

The pythagorian theorem :

12²+x²= (x-2)²
144+x²= x²-4x+4
144-4+x²-x²= -4x
140 = -4x
x = 140/-4
x= -35

That's absurd . A side cannot be negative since it's a distance

It was obvious from the beginning since one of the sides is greater than the hypotenus wich is impossible x≥x-2

8 0

3 years ago

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Question 14(1 point)Find the rate of change of Pete's height from 3 to 5 years.17.Time (years) 123 4 15 16Height/in.) 27 35 37 4

kupik [55]

The rate of change of Pete's height from 3 to 5 years can be determined as,

$\begin{gathered} \frac{\Delta H}{\Delta t}=\frac{H_5-H_3_{}}{5-3} \\ =\frac{45-37}{2} \\ =\frac{8}{2} \\ =4 \end{gathered}$

Thus, the required rate of change from 3 to 5 years is 4 in/year.

5 0

1 year ago

A car traveling at 23 mi/h accelerates to 46 mi/h in 5 seconds. It maintains that speed for 5 seconds and then slows to a stop i

Nataliya [291]

Answer:

It is given that a car traveling at 23 mi/h accelerates to 46 mi/h in 5 seconds.

This means that in 5 seconds it's speed continuously increases to reach 46 mi/h from 23 mi/h.

It maintains that speed for 5 seconds and then slows to a stop in 5 seconds.

This means that the speed of the car is constant i.e. 46 mi/h i.e. the graph is a straight horizontal line parallel to the time axis.

And then it decreases to reach 0 mi/h.

5 0

3 years ago

Trinomial in factored form 5y^2-y-18

Inessa05 [86]

Answer:

Step-by-step explanation:

(5y + 9)(y - 2) is the solution

5y^2 - 10y + 9y - 18

8 0

3 years ago

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A line contains the points (8, 9) and (–12, –7). Using point-slope form, write the equation of the line that is parallel to the

Alexxx [7]

For palarell lines, slope are equal.
slope of first line = (y2 - y1)/(x2 - x1) = (-7 - 9)/(-12 - 8) = -16/-20 = 4/5
equation of a line passing through a point is given by: y - y1 = m(x - x1); where (x1, y1) = (-5, -15) and m = 4/5.
Therefore equation of the line is y - (-15) = 4/5(x - (-5))
y + 15 = 4/5(x + 5)

7 0

3 years ago

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