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Alex
3 years ago
7

Simplify by using the law of indices:y^a(b+c)×y^b(c-a)×y^c(a-b)​

Mathematics
1 answer:
tia_tia [17]3 years ago
4 0

Answer:

y^{2ac}

Step-by-step explanation:

Using the law if indices

a^{m} × a^{n} = a^{(m+n)}

Thus to simplify the expression add the 3 exponents

a(b + c) + b(c - a) + c(a - b) ← distribute parenthesis

= ab + ac + bc - ab + ac - bc ← collect like terms

= 2ac

Then the expression simplifies to

y^{2ac}

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4.5 meters equals how many centimeters
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450 centimeters because there are 100 centimeters in a meter. 
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3 years ago
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ABC is a triangle. D is a point, vectors 2BD = 3DC<br> Prove vectors 2AB + 3AC = 5AD
MakcuM [25]

3Ac?????????????????

5 0
2 years ago
A bakery makes 40 different flavors of muffins. 25% of the flavors have chocolate as one of the ingredients. Draw a tape to show
kobusy [5.1K]

Answer:

10

Step-by-step explanation:

A bakery makes 40 different flavors of muffins.

25% of the flavors have chocolate as one of the ingredients.

Convert 25% to fraction:

25\%=\dfrac{25}{100}=\dfrac{1}{4}

So, there are

40\cdot \dfrac{1}{4}=10

muffins which have chocolate as one of the ingredients.

In attached tape diagram:

green - with chocolate

blue - without chocolate

6 0
2 years ago
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Choose the one most likely type of error or bias you might encounter in the following sampling situations. (a) You want to know
Nataly_w [17]

Answer:

a) Response error

b) coverage error

c) coverage error

Step-by-step explanation:

Given situation:

(a) You want to know about the dating habits of college students, so you go to a dorm meeting and ask students how many dates they have had in the last year.

Solution:

In such situations the dating habits is a private matter for every individual and would not be truy expressed or conveyed in a dorm meeting. The true response would either be false or hidden in context of a public gathering.. So the likely error would be " Response error"

Given situation:

b) You want to know how often people attend religious services, so you stand outside a particular church on Sunday and ask entering individuals how often they attend.

Solution:

The collection of sample from a "particular" church limits the diversity of responses. The spread of the data might be skewed to certain geographical or population or ethnical locations. A better coverage would be recommended for accurate sampling. Hence, "coverage error"

Given situation:

(c) You want to know how often people eat at McDonald's, so you stand outside a particular McDonald's and ask entering customers how often they eat at McDonald's.

Solution:

The collection of sample from a "particular" McDonalds limits the diversity of responses. The spread of the data might be skewed to certain geographical or population or ethnical or lifestyles. A better coverage would be recommended for accurate sampling. Hence, "coverage error"

4 0
3 years ago
Please help asap!! I will mark you as brainliest :)
defon

Answer:

3, 0, -5, -6

Step-by-step explanation:

7)

when x= -8, f(x) = 8-5 or 3

when x= -5 f(x) = 5-5 or 0

when x= 0, f(x) = 0-5 or -5

when x=1, f(x) = -1-5 or -6

4 0
2 years ago
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