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dedylja [7]
3 years ago
5

Can someone help with this math question please

Mathematics
1 answer:
Alex73 [517]3 years ago
8 0
Question 9

For this question, you work out the areas of the different shapes - the two triangles and the large rectangle.
------------------------------------------------------------------------------------------------------------
To get the area of the rectangle, you must use a ruler to measure out the:
 height of the shape and the base of the shape

(try to be as accurate as possible when measuring)

Then to get the area of the rectangle, multiply the Height by the Base. 
-------------------------------------------------------------------------------------------------------------

For the triangles, you measure the out the base and the height .
Then you use the formula for the area of a triangle, which is:

Height x Base x \frac{1}{2}

So, you measure out the base and height of one triangle, then use the formula to work out the area,    then you do the same for the second triangle.
-------------------------------------------------------------------------------------------------------------
Finally, you add up all of the areas:

Total area = area of rectangle + area of first triangle +area of second triangle

then you choose the option that is closest to your answer <span>(remember to be accurate with the ruler!)
</span>-------------------------------------------------------------------------------------------------------------

Question 10<span>

</span>Lets say we wanted to know how much 10 bottles of water cost

To do this, we would multiply the number of water bottles we want (which is 10)  by how much one water bottle costs.<span>

</span>Lets say one water bottle costs £1.  
We would multiply the £2   by 10 (which is the number of water bottles)

So 10 water bottles would cost :   £2 x 10 = <span>£20
</span>
-------------------------------------------------------------------------------------------------------------

Now lets apply this knowledge to the question:

The <u>ANSWER </u>would be:
G) multiplying n by the cost of one bottle

To get the total total cost, we multiply the number of bottles we buy by the cost of one bottle
-------------------------------------------------------------------------------------------------------------

Question 11

For this one, we are told that the company charges $40 for hooking a vehicle.
We are also told that they charge $1.70 for each mile  the vehicle is towed.

Therefore the <u>ANSWER </u>would be;

B) 
c = 40 + 1.70m

$1.70m   means   $1.70   times the number of miles, and we are told that they charge 1.70 for every mile.  



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Part A: The area of a square is (16x2 − 8x + 1) square units. Determine the length of each side of the square by factoring the a
d1i1m1o1n [39]

Answer:

see below

Step-by-step explanation:

16x^2 − 8x + 1

(4x)^2 -8x +1

Factor

This is a perfect square trinomial

a^2 -2ab +b^2 = (a-b)(a-b)

(4x)^2 -8x +1 = (4x-1) (4x-1)

The area of a square is given by

A = s^2

(4x-1) ^2 = s^2

4x-1 = s

The side length is 4x-1

(81x^2 − 4y^2)

(9x)^2 - (2y)^2

This is the difference of squares

a^2 - b^2 = (a-b) (a+b)

(9x-2) (9x+2)

The area of a rectangle is

A = l*w

(81x^2 − 4y^2)  = (9x-2) (9x+2)

The dimensions are (9x-2) (9x+2)

3 0
3 years ago
What is 190 x 173 idk what it is and i have a bunch to do
Anna007 [38]
32,870 is the answer. Hope this helps!
6 0
3 years ago
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On Monday morning,there were 30 tickets available for a concert if 1/3 of the tickets were sold on Monday and 1/5 of those left
lianna [129]
I think the answer would be 16, Hope this helps
8 0
3 years ago
 plz help need help fast The figure is the net for a rectangular prism.
Art [367]
Two small rectangle at the end areas are:
3x5=15
15x2=30
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4 0
3 years ago
15x + 14 = 149<br><br><br>Plz solve for x
Juliette [100K]

Answer:

x = 9

Step-by-step explanation:

When doing these types of problems, the main goal is to get the variable by itself. Its kind of hard to explain with words so I will just use numbers.

15x + 14 = 149

(Subtract 14 on both sides. Remember, when you do something (Like subtracting, adding, etc.) on one side you have to do it to the other.)

15x + 14 = 149

       -14 =  -14

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

15x = 135

(Divide 15 on both sides. Since we need to use inverse operation to cancel the 15 out, we would divide 15 on both sides.)

15x/15 = 135/15

x = 9

Hope this helps :)

8 0
3 years ago
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