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trapecia [35]
3 years ago
6

-2(2x- _)+1=17-4x For what missing value is the equation an identity?

Mathematics
1 answer:
igor_vitrenko [27]3 years ago
4 0
What’s grade are you?
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A pedestal for a statue is made with 405 cubic feet of concrete.
Pavlova-9 [17]

Answer:

45 square feet

Step-by-step explanation:

we know that

The volume of the pedestal (rectangular prism) is given by the formula

V=Bh

where

B is the area of the rectangular base of pedestal

we have

V=405\ ft^3\\h=9\ ft

substitute the given values in the formula and solve for B

405=B(9)

B=405/9\\B=45\ ft^2

5 0
3 years ago
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Choose the point-slope form of the equation below that represents the line that passes through the points (-6, 4) and (2, 0).
Arte-miy333 [17]
Point slope form
y-y1=m(x-x1)
slope=m
a point is (x1,y1)

slope=(y2-y1)/(x2-x1)
given
(-6,4) and (2,0)
slope=(0-4)/(2-(-6))=-4/(2+6)=-4/8=-1/2

a point is (-6,4)
x1=-6
y1=4

y-4=-1/2(x+6)
not listed
5 0
3 years ago
A marker is 0.13 m long. What is the length in milliliters
yanalaym [24]

For this case we have:

Note:<em> Milliliter is a unit of volume. It is not possible to convert distance units into volume units. </em>

We must convert the length 0.13 meters to millimeters.

By definition, 1 meter equals 1000 millimeters. That is to say:

1m = 1000mm

Then, applying the rule of three we have:

1m ------------> 1000mm

0.13m --------> x

Where x represents the length of the marker in millimeters.

Resolving:

x = \frac {(0.13 * 1000)} {1}

x = \frac {130} {1}\\x = 130

Thus, the marker measures 130 millimeters long

Answer:

130 millimeters


4 0
3 years ago
if the temperature outside was -4 degrees Fahrenheit in the morning and 13 degrees Fahrenheit in the afternoon by how much did t
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The temperature increased 17 degrees.

to add the difference of a negative and positive number, i added the absolute value of -4 (4) to the larger number (13) and got 17
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4 years ago
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Since you have 8 marbles of a color other than white, and only two white marbles your chance of getting a white marble at random is 2/10. 
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