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dexar [7]
3 years ago
11

Help it’s my exam test

Mathematics
1 answer:
rjkz [21]3 years ago
7 0

Answer:

D

Step-by-step explanation:

The answer is d because it's nonlinear NOT A STRAIGHT LINE

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The perimeter of an equilateral triangle is 65 cm, to the nearest centimetre.
iogann1982 [59]

Answer:

The smallest possible side length is around 21.3.

Step-by-step explanation:

Equilateral triangles have 3 sides of equal lengths.

65 ÷ 3 = \frac{65}{3} or 21.333

4 0
2 years ago
Read 2 more answers
Peyton is 11 years old and knows 10-7=3 and 3+7=10 but finds it difficult to solve a math problem, such as 3x-5, because she can
Colt1911 [192]

Answer:

concrete operational stage

Step-by-step explanation:

Have a look at the attached photo below, it may be your full question:

The concrete operational stage is the third phase in Piaget's cognitive development theory. This period spans the period between childhood, it begins around 7 years of age and continues until about 11 years of age and is characterized by the development of logical thinking.

7 0
2 years ago
10-kg batch of a food product has a moisture content of175% dry basis. Calculate the amount of water to beremoved from the produ
sleet_krkn [62]

Answer:

4.9kg of water

Step-by-step explanation:

Dry basis is the percentage ratio of moisture amount to amount of dry product which is 175%

Ratio of moisture amount to dry product = 175 : 100

Mass of food product = 10kg

Amount of moisture in food product = 175/175+100 × 10kg = 175/275 × 10kg = 6.4kg

Wet basis is the percentage ratio of the moisture amount to the total weight of material which is 15%

Ratio of moisture amount to total weight of material is 15 : 100

Amount of moisture in food product = 15/100 × 10kg = 1.5kg

Amount of water contained in the final product = 1.5kg

Amount of other components in the food product = 10kg - 6.4kg = 3.6kg

Total amount = 1.5kg + 3.6kg = 5.1kg

% of water = 1.5kg/5.1kg × 100 = 29%

3 0
3 years ago
If 420 miles = 20 cm on a map, how many miles is 1 cm?
horsena [70]

Answer: 21

Step-by-step explanation:

420/20=21

7 0
3 years ago
Read 2 more answers
Apply the Pythagorean Theorem to find the distance between points B and C.
Lyrx [107]

10 units

6^+8^=X^

36+64=x^

100=x^

10=x


3 0
3 years ago
Read 2 more answers
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