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Anastaziya [24]
3 years ago
10

6+2(7×-3) Simplify the expression

Mathematics
2 answers:
konstantin123 [22]3 years ago
8 0

Answer:

14x

Step-by-step explanation:

6+2(7x-3)=6+14x-6=14x

almond37 [142]3 years ago
7 0

Answer:

=36

Step-by-step explanation:

6+2(7*(-3) )\\\\=6+2(-21)\\\\=6-42\\\\=2+4-42\\\\=4-40\\\\=36

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We are standing on the top of a 320 foot tall building and launch a small object upward. The object's vertical altitude, measure
STALIN [3.7K]

Answer:

The highest altitude that the object reaches is 576 feet.

Step-by-step explanation:

The maximum altitude reached by the object can be found by using the first and second derivatives of the given function. (First and Second Derivative Tests). Let be h(t) = -16\cdot t^{2} + 128\cdot t + 320, the first and second derivatives are, respectively:

First Derivative

h'(t) = -32\cdot t +128

Second Derivative

h''(t) = -32

Then, the First and Second Derivative Test can be performed as follows. Let equalize the first derivative to zero and solve the resultant expression:

-32\cdot t +128 = 0

t = \frac{128}{32}\,s

t = 4\,s (Critical value)

The second derivative of the second-order polynomial presented above is a constant function and a negative number, which means that critical values leads to an absolute maximum, that is, the highest altitude reached by the object. Then, let is evaluate the function at the critical value:

h(4\,s) = -16\cdot (4\,s)^{2}+128\cdot (4\,s) +320

h(4\,s) = 576\,ft

The highest altitude that the object reaches is 576 feet.

6 0
3 years ago
Select the correct answer from each drop-down menu.
Tom [10]

Answer:

Column 1 Row 1 is 150

Column 1 Row 2 is 80

Column 2 Row 1 is -1

Column 2 Row 2 is 1

Column 3 Row 1 is -300

Column 3 Row 2 is 1,700

Step-by-step explanation:

You can trust me on this. I have done my smart calculations to ensure I am 100% correct. If you think that I am wrong then you are a moron and ignorant.

7 0
2 years ago
What is the slope of a line that is perpendicular to a line whose equation is 3y=−4x+2 ?
ANTONII [103]
The slope would be 1/4 because to find the perpendicular slope, you find the negative reciprocal
3 0
3 years ago
4r= -36<br> -72<br> -40<br> -9<br> 9
icang [17]

Answer:

4r=-36

-36/4=r

-9=r

Therefore

r=-9

7 0
3 years ago
Read 2 more answers
Help please ! ASAP !!!!!!!
Oduvanchick [21]

Answer: (-3, -8) (0, 1) (-3, -8)

Step-by-step explanation:

So in the equation, y=3x+1, 1 is the y intercept (which is where the line goes through the y intercept, so graph a point at 0,1 (that also fills out the middle of the chart. 3 is the slope of the equation so then you have to use the slope and you will find 2, 7 as a point and -3, -8 as a point.

Hope that helps! :)

8 0
2 years ago
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