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3 years ago

12

Initially, the ratio of Alex’s toy cars to Pete’s toy cars was 7:3. After Alex gave 20 toy cars to Pete, they had each an equal

number of cars. How many toy cars did they have altogether?

2 answers:

Anna35 [415]3 years ago

6 0

pete 23 cars alex 23 alex gains 16 cars then 23 plus 23 equals 46

Setler [38]3 years ago

3 0

Answer:

100

Step-by-step explanation:

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Using the binomial theorem, expand the expression (4 + y) to the power of 4

Flauer [41]

Answer:

When raised to the power of 4, the binomial (4 + y) expands to:

$y^4 + 16y^3 + 96y^2 + 256y + 256$

Step-by-step explanation:

$(4 + y)^4 \\= (y^2 + 8y + 16)^2\\= y^4 + 8y^3 + 16y^2 + 8y^3 + 64y^2 + 128y + 16y^2 + 128y + 256\\= y^4 + 16y^3 + 96y^2 + 256y + 256$

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3 years ago

What is the area of the semicircle?

Serggg [28]

Step-by-step explanation:

$Area (semi-circle)= \frac{r^2\pi }{2}$

$A = \frac{(11)^2\pi }{2}$

$A=\frac{121\pi }{2}$

$A=\frac{379.94}{2}$

$A=189.97$

The area of the semi-circle is 189.97

6 0

2 years ago

Which expression is equivalent to x ^-5/3

vazorg [7]

Answer:

The second answer choice

Move

x ^-5 to the denominator

6 0

3 years ago

3x + 4y = 24<br> 6x + 8y = 24 using process of elimination

Lelechka [254]

Answer:

false

Step-by-step explanation:

3x+4y=24 multiplied by 2 equals: 6x+8y=48

if you subtract 6x+8y=24 from 6x+8y=48, you get 0=24, which is not true. Therefore the statement is false.

7 0

3 years ago

No links need answer

GarryVolchara [31]

Answer:

Slope = 1

Hope it helps you!

3 0

3 years ago