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2 years ago

Simplify 5 to the 3rd power and 2.5 to the 2nd power

Mathematics

1 answer:

Eddi Din [679]2 years ago

8 0

5*5*5=125
2.5*2.5= 6.25

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3. For y = 5 + 8x when x = 4, what<br> does y equal?

ASHA 777 [7]

Answer:

Step-by-step explanation:

substitute 4 for x then multiply and add

y=5+8(4)

y=37

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2 years ago

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Transformations can be thought of as functions that take the points from one object (the pre-image) to the corresponding points

sweet-ann [11.9K]

1. Translation of a units to the right and b units up has rule:

(x,y)→(x+a,y+b).

Then the function is

$T(x,y)=(x+a,y+b).$

2. Reflection across the y-axis acts in following way:

(x,y)→(-x,y).

Then the function is

$R_y(x,y)=(-x,y).$

3. Reflection across the x-axis acts in following way:

(x,y)→(x,-y).

Then the function is

$R_x(x,y)=(x,-y).$

4. Rotation of 90 degrees counterclockwise about the origin, point O acts bu the rule:

(x,y)→(-y,x).

Then the function is

$R_{O,90^{\circ}}(x,y)=(-y,x).$

5. Rotation of 180 degrees counterclockwise about the origin, point O acts bu the rule:

(x,y)→(-x,-y).

Then the function is

$R_{O,180^{\circ}}(x,y)=(-x,-y).$

6. Rotation of 270 degrees counterclockwise about the origin, point O acts bu the rule:

(x,y)→(y,-x).

Then the function is

$R_{O,270^{\circ}}(x,y)=(y,-x).$

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2 years ago

A person has 17 coins, all nickels and dimes, worth $1.25. How many nickels are there?

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This is a problem of guess and check; there's no easier way to do it.But in this case you must have an odd number of nickels to make the 5 cents, so your answer is 9 nickels.you can check this by multiplying each one by .05: 9*.05=.45 the rest of the coins left, are 8 of them, and their dimes. .10*8=.80 .80+.45= 1.25

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2 years ago

Heather has a coin that has a 60\%60%60, percent chance of showing heads each time it is flipped. She is going to flip the coin

Elza [17]

Answer:

(5/3) (0.60)^3(0.40)^2

Step-by-step explanation:

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In a particular region, for families with a combined income of $75,000 or more, 15% of these families have no children, 35% of t

SCORPION-xisa [38]

Answer:

The probability distribution for x:"number of children per family for this income group" is:

$\text{P(x=0)}=0.15\\\\\text{P(x=1)}=0.35\\\\\text{P(x=2)}=0.45\\\\\text{P(x=3)}=0.05\\\\$

Step-by-step explanation:

With the information given we have the relative frequencies of each category.

We know:

$\text{P(x=0)}=0.15\\\\\text{P(x=1)}=0.35\\\\\text{P(x=2)}=0.45\\\\\text{P(x=3)}=0.05\\\\$

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2 years ago