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Svetradugi [14.3K]
2 years ago
9

Tatiana had $350. she spent $180 on herself, and the rest on presents for her family. write an equation to express how much tati

ana spent on her family.
Mathematics
2 answers:
alisha [4.7K]2 years ago
8 0
For the answer to the question above asking to <span>write an equation to express how much tatiana spent on her family if </span><span>Tatiana had $350. she spent $180 on herself, and the rest on presents for her family. t</span>he answer would be 350-180
igor_vitrenko [27]2 years ago
8 0
It seems that you have missed the necessary options for us to answer this question, so I had to make it on my own. So based on the given problem above, Tatiana had $350, and deducted by $180 which is spent on her self. So the rest is for her family. The equation for this would be this one: Let x be the amount that Tatiana spends for her family. X = 350 - 180.
This makes x = 170. Hope this answer helps.
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HELP PLEASE! I tried everything from multiplying, dividing, adding, and subtracting but still no correct answer. Can someone ple
alisha [4.7K]
<h3>Answer:  110 square miles</h3>

=============================================================

Explanation:

There are a few ways to do this.  

One method involves drawing a horizontal line to form three rectangles as show below. Note the labels A,B,C.

  • Rectangle A in the upper left corner has area of base*height = 6*7 = 42 square miles. I'll let A = 42 since we'll use it later.
  • Rectangle B is 20 miles across horizontally (base) and 2 miles tall vertically (height). The 2 miles is from 9-7 = 2. The area of rectangle B is 20*2 = 40 square miles. Let B = 40.
  • Then finally, C = 28 because rectangle C is 4 miles across and 7 miles tall, so 4*7 = 28.

Add up those three sub areas found: A+B+C = 42+40+28 = 110 square miles

----------------

There are other methods you could do. A second method is to draw two vertical lines to form 3 other rectangles, then add up the sub areas to get 110.

A third method is to draw a horizontal line across the top to form one large rectangle (20 mi by 9 mi) and subtract off the area of the 7 mi by 10 mi inner rectangle (the empty space), so you'd say 20*9 - 7*10 = 180-70 = 110

5 0
3 years ago
Solve this absolute value /x+2/-/x/=6
stira [4]

Answer:

x € ø

Step-by-step explanation:

-(x + 2) -(-x) =6,x +2 <0,x<0

x € ø, x<-2, x<0

x € ø, x €❮-∞-,2❯

x € ø

6 0
3 years ago
Alex surveyed his classmates to determine who has been surfing and who has been snowboarding. Let A be the event that a classmat
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Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
What is the standard deviation of this data set? Use a calculator to help you.
ale4655 [162]

Answer:

Standard deviation = 14.064

Step-by-step explanation:

We are given the following data;

        X                          X - Xbar                  (X-Xbar)^{2}

       20                     20 - 46 = -26                    676

       23                     23 - 46 = - 23                    529

       32                     32 - 46 = -14                      196

       36                     36 - 46 = -10                      100

       41                      41 - 46 = -5                         25

       43                     43 - 46 = -3                          9

       44                     44 - 46 = -2                          4

       45                     45 - 46 = -1                           1

       47                      47 - 46 = 1                            1

       54                      54 - 46 = 8                        64

       55                      55 - 46 = 9                        81

      59                       59 - 46 = 13                      169

       61                       61 - 46 = 15                       225

       63                       63 - 46 = 17                      289

       66                       66 - 46 = 20                <u>     400    </u>    

                                                    \sum(X-Xbar)^{2} <u>= 2769 </u>

Firstly we will calculate Mean, Xbar = \frac{\sum X}{n}

  Xbar = \frac{20+ 23+ 32+ 36+ 41+ 43+ 44+ 45+ 47+ 54+ 55+ 59+ 61+ 63+ 66}{15} = 45.93 ≈ 46

Now, Standard deviation formula is given by;

                   s = \sqrt{\frac{ \sum(X-Xbar)^{2}}{n-1}} = \sqrt{\frac{ 2769}{15-1}} = 14.064 .

7 0
3 years ago
Misha measured a distance of 60 feet from her kitchen to the bedroom. What is the equivalent number of meters.
Nikitich [7]
1 feet = 0.3048 meters
So we do a unit conversion to cancel out the feet unit.
Look at my picture to see the work

Please let me know if this helped!

3 0
3 years ago
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