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Natasha_Volkova [10]
3 years ago
9

Which of the following are steps in practical problem solving?

Mathematics
2 answers:
DiKsa [7]3 years ago
8 0

1. Assign an identifying variable to the quantity to be found.

2. Write a sentence stating conditions placed on the quantity.

3. Solve the sentence for the variable.

miskamm [114]3 years ago
3 0

1.Assign an identifying variable to the quantity to be found.

2. Write a sentence stating conditions placed on the quantity

5. Solve the sentence for the variable

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A dolphin was swimming 28 meters below the oceans surface.it changed its depth to avoid a predator and ended up 21 meters below
Harman [31]

Answer:

+7

Step-by-step explanation:

if you go from 28 to 21 you see there is a difference of 7 and sense the number is a smaller number now we know the dolphin went up more towards the surface there for there is a change of positive 7

28-21=7

6 0
2 years ago
HERE a question........
Pani-rosa [81]

Answer:

6

Step-by-step explanation:

Split the shape into two shapes, one square and one triangle.

Find the area of the square and area of triangle.

area of square = 2 × 2 = 4

The height of the triangle is 4 - 2 = 2 units.

area of triangle = 2 × 2 × 1/2 = 2

Add the areas.

4 + 2 = 6

The area is 6 units².

4 0
3 years ago
Read 2 more answers
The length of a rectangle is 12 inches more than its width. The perimeter is 280 inches. Find the length and the width of the re
miss Akunina [59]
Use the equation p=2l+2w and sub everything in to get 280=2l+2(l+12).
distribute the 2 for 280=2l+2l+24.
add/subtract like terms over, leaving you with 256=4l.
divide the 4 from 256, resulting in l=64.
since w=l+12, add 12 to 64 to find that w=76.
basically, l=64 and w=76.
hope this helps!
6 0
3 years ago
Read 2 more answers
In a class test, +4 marks were awarded for the correct answers and -1 mark for the wrong answers. Student scores 40 marks. If hi
nikklg [1K]

Step-by-step explanation:

Let <em>y</em> the number of wrong answers got.

11( + 4) + ( - 1)y = 40 \\ 44  - y = 40 \\  - y =  - 4 \\ y = 4

∴ He got 4 wrong answers.

7 0
3 years ago
∆CDE is an isosceles triangle with CD ≅ DE . If CD = 9x – 25, DE = 6x + 8, and CE = 10x – 73, find x
Novosadov [1.4K]

Answer:Answer: The value of x is 11 and the measure of each sides are, 74 cm,74 cm and 37 cm. Explanation: It is given that in triangle CDE is an isosceles triangle with CD congruent to DE. If CD equals 9x - 25, DE equals 6X + 8, CE equals 10 x - 73.

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
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