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morpeh [17]
3 years ago
12

Please solve this and give answer

Mathematics
1 answer:
Nikolay [14]3 years ago
4 0

Answer:

Step-by-step explanation:

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What is the area of the rectangle, in square feet?<br> 29<br> 58<br> 120<br> 180
Fittoniya [83]

Answer:

180

Step-by-step explanation:

Base x Height

So 9 x 20 to get 180

3 0
2 years ago
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What is the greatest common factor of 49, 62 and 80?
steposvetlana [31]

Answer:

literally 1

Step-by-step explanation:

scooby ate my scooby snax

6 0
2 years ago
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Which of the following represents the zeros of f(x) = x3 − 11x2 + 38x − 40?
Delvig [45]
The answer is <span>5, 4, 2
</span>
Among all choices we have 5, so
x = 5
x - 5 = 0
Let's divide the expression by (x - 5) using the long division:
                          x³ - 11x² + 38x - 40
(x - 5)  * x² =      x³ - 5x²                   Subtract
____________________________
                              -6x² + 38x - 40
   (x - 5) * (-6x) =    -6x² + 30x          Subtract
____________________________
                                           8x - 40
                    (x - 5) * 8 =     8x - 40   Sutract
____________________________
                                              0

Thus: x³ - 11x² + 38x - 40 = (x - 5)(x² - 6x + 8)

Now, let's simplify x² - 6x + 8.

x² - 6x + 8 = x² - 2x - 4x + 8 =
                  = x² - 2*x - (4*x - 4*2) = 
                  = x(x - 2) - 4(x - 2) =
                  = (x - 4)(x - 2)

Hence:
x³ - 11x² + 38x - 40 = (x - 5)(x - 4)(x - 2)
To calculate zero:
x³ - 11x² + 38x - 40 = 0
(x - 5)(x - 4)(x - 2) = 0
x - 5 = 0            or             x - 4 = 0              or      x - 2 = 0
x = 5                 or              x = 4                   or      x = 2
3 0
3 years ago
Which of these is equivalent to -x &lt; 8?:<br> x &lt; 8<br> x &lt; -8<br> x &gt; 8<br> x &gt; -8
adell [148]

Answer:

x>-8

Step-by-step explanation:

multiply both sides with -1

6 0
3 years ago
Read 2 more answers
Santigo wants to paint the lateral surface of the foam pit red.How many square feet of the foam pit will be painted red?
Mnenie [13.5K]

Answer:

468 square feet.

Explanation:

The lateral surface of the foam pit can be calculated as:

Lateral Surface = Perimeter Base x Height

So, the perimeter of the base can be calculated as:

Perimeter = 12 ft + 24 ft + 12 ft + 24 ft

Perimeter = 72 ft

Therefore, the lateral surface is equal to:

Lateral surface = 72 ft x 6.5 ft

Lateral surface = 468 ft²

Then, 468 square feet will be painted red.

5 0
1 year ago
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