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hammer [34]
3 years ago
7

5x² - 4x + 7 - (2x² - 2x - 3) resolver paso a paso xfas

Mathematics
1 answer:
DaniilM [7]3 years ago
5 0
Simplified into 5x^-2x^2 +2x+8
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The means and mean absolute deviations of the amount of rain that fell each day in a local city, last week and this week, are sh
laila [671]
<span>Given:
                                        Last Week        This Week
Mean                                  3.5 in.                  2.7 in.
Mean Absolute Deviation   1.2 in.                  0.5 in

If this is what the table looks like, my answer is </span><span>(C) 0.8/0.5

</span><span>The difference of the two means to this week’s mean absolute deviation is?

The two means are 3.5 in and 2.7 in. The difference would be 3.5 - 2.7 = 0.8
This weeks' mean absolute deviation is 0.5 in according to the table.

So, 0.8 / 0.5 is the answer.</span>
3 0
3 years ago
Read 2 more answers
Find the perimeter and area of the figure below.
hichkok12 [17]

Answer:

perimeter = 40

area = 46(unit)^2

Step-by-step explanation:

Perimeter - all sides added together

  1. Find unknown sides (8-3 = 5, 12-2 = 10)
  2. Add all sides together (8+2+5+10+3+12 = 40)

Area - Length multiplied by width

  1. Divide shape into two rectangles (#1 is 2x5 and #2 is 3x12)
  2. Find individual area (rectangle #1: 2*5 = 10 / rectangle #2: 3*12 = 36)
  3. Add areas together (10+36 = 46)
  4. Finish with unit squared (46___^2)
8 0
4 years ago
The vertex of this angle is: <br> a) T<br> b) R<br> c) S
Dvinal [7]

Answer:

The vertex of angle is S.

Hope this helps!!

7 0
4 years ago
A scuba diver is 12 meters below sea level. If the diver descends 39 meters further, what integer represents the scuba diver’s n
marusya05 [52]

I think the answer is -51

7 0
3 years ago
Marsha has two numbers, $a$ and $b$. When she divides $a$ by 70 she gets a remainder of 64. When she divides $b$ by 105 she gets
Nata [24]

Answer:

Remainder is 425

Step-by-step explanation:

Let the two numbers Marsha has be A & B

From the question, we have the first equation as

A ÷ 70 = 64

Multiply both right and left sides by 70, we have:

A = 70 * 64 = 4,480

A = 4,480

From the question, we have the second equation as:

B ÷ 105 = 99

Multiply both left and right sides by 105, we have:

B = 105 * 99 = 10,395

B = 10,395

Remainder = (A + B) ÷ 35 = (4,480 + 10,395) ÷ 35

Remainder = 14,875 ÷ 35 = 425

Remainder = 425

8 0
3 years ago
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