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gayaneshka [121]
3 years ago
13

Please Help I don't get this

Mathematics
1 answer:
ololo11 [35]3 years ago
3 0

Answer:

The choose (D)

Step-by-step explanation:

\frac{x - 16}{ {x}^{2} + 6x - 40 }  +  \frac{1}{x + 10}  \\  =  \frac{x - 16}{(x - 4)(x + 10)}  +  \frac{1}{x + 10}  \\   = \frac{(x - 16) + (x - 4)}{(x + 10)(x - 4)}  \\  =  \frac{2x - 20}{(x + 10)(x - 4)}  \\   = \frac{2x - 20}{ {x}^{2} + 6x - 40 }

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2/4, find the surface area
Oduvanchick [21]

Answer:

144 un^2

Step-by-step explanation:

Base: 4 × 11 = 44

Left-most face: 3 × 11 = 33

Top face: 5 × 11 = 55

Triangular faces: 3 × 4 = 12

Add: 44 + 33 + 55 + 12 = 144

7 0
3 years ago
Evaluate y5 + x(-7)<br> When x = 2, y = -5
Ymorist [56]

Answer:

45

Step-by-step explanation:

OK, first we turn the variables into into the actual values:

The equation will look like this:

(2)5 + (-5)(-7)

Now its easier to solve!  Lets solve (2)5!

2 * 5 = 10

The equation looks like:

10 + (-5)(-7)  

We will also solve (-5)(-7). Remember that a negative number times a negative number is positive!

-5 * -7 = 35

Lets finish the rest:

10 + 35 = 45.          

Hope this is correct and have a nice day!      

3 0
3 years ago
Which region did the Visigoths most likely settle?
Naddika [18.5K]

Answer:

It was Romania, so Spain.

6 0
3 years ago
Read 2 more answers
The table shows the number of calories in four meals and the cost of each meal.
Aleksandr-060686 [28]

Answer:

A weak negative correlation

Step-by-step explanation:

correlation, r = \frac{∑(y-\alpha)(x-\beta  }{\sqrt{∑(y-\alpha)^2∑(x-\beta )^2 } }

where,

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This represents a weak negative correlation

6 0
3 years ago
Read 2 more answers
Please help me!!!!!!!!
Neko [114]

Answer:

5/8 inch

Step-by-step explanation:

Find the difference between 1 inch and 3/8 inch.

= 1 - 3/8

= 8/8 - 3/8

= 5/8 inch

5 0
3 years ago
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