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s344n2d4d5 [400]
2 years ago
13

You want to do a quick estimate to the ones place of the sum of the following set of data. Pick the correct estimation.

Mathematics
2 answers:
ikadub [295]2 years ago
7 0

Answer:

18

Step-by-step explanation:

it is the correct answer.

frez [133]2 years ago
3 0

Answer:16

Step-by-step explanation:

16

3.5 - 4

6.7 - 7

3.2 - 3

1.7 - 2

Add those up and you get 16

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In order to attend the carnival, students must pay a $5 admission fee plus $0.75 per ride ticket, How many tickets are purchased
Elza [17]

Answer:

well there would be 1 ticket because if you had two then the total would be over 11 dollars it would be 12 dollars so it would have to be one ticket

5 0
2 years ago
10 points help fast please
Anna71 [15]

Answer: the slope will become negative

Step-by-step explanation: the slope becomes negative due to the negative sign and the slope line will go down left to right

6 0
3 years ago
Hi please help :)
Debora [2.8K]
Hey mate 

It is C. 0 because there is no b in the <span>equation</span>
3 0
3 years ago
Please look at the image
Arada [10]

Answer:

Step-by-step explanation:

BED is the same angle as AEC

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7 0
3 years ago
Estimate the area of Alberta in square miles. Show your reasoning
ella [17]

Answer:  About 278,250\ mi^2

Step-by-step explanation:

The missing figure is attached.

Notice in the first picture that Alberta has a complex shape.

You can calculate the area of a complex shape by decomposing it into polygons whose areas can be calculated easily.

Observe the second picture. Notice that it can be descompose into two polygons: A trapezoid and a rectangle.

The area of the trapezoid  can be calcualted with the formula:

A_t=\frac{h}{2}(B+b)

Where "h" is the height, "B" is the long base and "b" is short base.

And the area of the rectangle can be found with the formula:

 A_r=lw

Wkere "l" is the lenght and "w" is the width.

Then, the apprximate area of Alberta is:

A=\frac{h}{2}(B+b)+lw

Substituting vallues, you get:

A=(\frac{(410\ mi-180\ mi)}{2})(760\ mi+470\ mi)+(180\ mi)(760\ im)\\\\A=141,450\ mi^2+136,800\ mi^2\\\\A=278,250\ mi^2

Therefore, the area of of Alberta is about 278,250\ mi^2.

5 0
3 years ago
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