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Natasha_Volkova [10]
4 years ago
10

NEED QUICKLY GEOMETRY 20 POINTS

Mathematics
1 answer:
sp2606 [1]4 years ago
4 0

Answer:

10.24 in²

Step-by-step explanation:

First we need to know how to find the area of a rectangle, which is base * height.

We can notice that the base and height are both 3.2, so we multiply 3.2*3.2.

To do this, we first have to completely ignore the decimal points. Just pretend you're multiplying 32*32, to get 1024. Then, we count how many numbers are past the decimal point on each number. On both, there is 1 number past, and we add those together to get 2 numbers past the decimal point.

We then, finally, make the number we got (1024) have 2 numbers past the decimal point, so instead of 1024, we have 10.24, which is our answer!

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Help please it’s needed
julia-pushkina [17]

Answer:

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3 0
3 years ago
a line passes through the points (14,5) and (19,15) determine and equation for a perpendicular line that passes through the poin
PSYCHO15rus [73]
The equation of the line thru <span> (14,5) and (19,15)  is found as follows:

                      15-5           5
slope = m = ----------- = ------ = -1
                       19-14         5

Thus, the slope of any line perpendicular to this first line has the slope

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8 0
4 years ago
Solve the quadratic equation. Show all of your steps. x 2 + 3 x − 5 = 0
AlladinOne [14]

For this case we have the following quadratic equation:

x ^ 2 + 3x-5 = 0

Where:

a = 1\\b = 3\\c = -5

We look for the solution using the following formula:

x = \frac {-b \pm \sqrt {b ^ 2-4 (a) (c)}} {2a}

Substituting the values:

x = \frac {-3 \pm \sqrt {3 ^ 2-4 (1) (- 5)}} {2 (1)}\\x = \frac {-3 \pm \sqrt {9 + 20}} {2}\\x = \frac {-3 \pm \sqrt {29}} {2}

Thus, we have two roots:

x_ {1} = \frac {-3+ \sqrt {29}} {2}\\x_ {2} = \frac {-3- \sqrt {29}} {2}

Answer:

x_ {1} = \frac {-3+ \sqrt {29}} {2}\\x_ {2} = \frac {-3- \sqrt {29}} {2}

3 0
3 years ago
Pls awnser this I need it
Lisa [10]

Answer:

-2k + 6

hope its right

-2k - (-5) + 1                    

You should always switch the signs to their opposites if you're mutiplying a negative such as the - (-5)     Hope I make sense

-2k + 5 + 1

-2k + 6

4 0
3 years ago
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