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dusya [7]
1 year ago
13

What is the area in square units of the trapezoid

Mathematics
1 answer:
Tema [17]1 year ago
8 0
= 1/2 (a + b) h let me know if this helps :)
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Polly stacked the tins from five boxes of cat food onto an empty shelf in a supermarket. There were 15 tins of cat food in each
Alexandra [31]

Answer:

(a) 3\frac{2}{3} boxes of cat food had been sold.

(b) \frac{11}{3} boxes of cat food had been sold.

Step-by-step explanation:

From the question,

Polly stacked the tins from five boxes of cat food onto an empty shelf and there were 15 tins of cat food in each box. That is,

5 × 15 tins of cat food were stacked onto the empty shelf.

5 × 15 = 75

Hence, 75 tins of cat food were stacked onto the empty shelf.

Also, from the question,

At the end of the week there were 20 tins left on the shelf and the rest of the tins had been sold, that is

75 - 20 tins had been sold

75 - 20 = 55

Hence, 55 tins of cat food had been sold.

To determine the number of boxes of cat food that had been sold,

Since there are 15 tins of cat food per box, then

we will divide 55 tins of cat food that had been sold by 15 tins of cat food per box

55 ÷ 15 = \frac{55}{15}

Hence, \frac{55}{15} boxes of cat food had been sold

(a) As a mixed number

\frac{55}{15}  = 3\frac{2}{3}

Hence, 3\frac{2}{3} boxes of cat food had been sold.

(b) As an improper fraction

\frac{55}{15}  = \frac{11}{3}

Hence, \frac{11}{3} boxes of cat food had been sold.

7 0
3 years ago
2. The value of x + x(x*) when x = 2 is:<br> (a) 10, (b) 16, (c) 18, (d) 36, (e) 64
Aleonysh [2.5K]

Answer:

a

Step-by-step explanation:

2+2(2^2)=2+2(4)=2+8=10

hope it helps :)

6 0
3 years ago
What is the value of 2x to the third power+4x to the second power 3x to the second power-6x when x=3?
jek_recluse [69]
Hi! So to solve for these, all you have to do is keep PEDMAS in mind. For example, for 2x^3 (Just a fancy way of writing "to the third power") first plug in 3: 2(3)^3 and take it to the third power because E (exponent) comes before M (multiplication) in PEDMAS. You should get 2(27) which then equals 54. Hope this helps:)
4 0
3 years ago
The composite figure is made up of three simpler shapes. What is the area of the figure?
Flauer [41]
4 × 3
−−−− = 6cm²
2

6 × 3 = 18cm²

10 × 5 = 50cm²

50 + 18 + 6 = 72cm²
7 0
2 years ago
Read 2 more answers
Determine all critical points for the following function. f(x)=x2−14x+1
melomori [17]

9514 1404 393

Answer:

  (x, y) = (7, -48)

Step-by-step explanation:

A critical point is where the slope is zero or undefined. A polynomial function will never have any points where the slope is undefined.

The slope is zero were f'(x) = 0.

  f'(x) = 2x -14

  0 = 2x -14

  0 = x -7

  7 = x

  f(7) = 49 -98 +1 = -48

The critical point is (7, -48).

4 0
2 years ago
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