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3 years ago

А

Mathematics

1 answer:

ss7ja [257]3 years ago

5 0

Answer:

13p=26

Step-by-step explanation:

You have the starting price 13 and the ending price 26 and you're trying to find the amount of pizzas brought which is p. so 13xP=26 or 13p=26

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A 70 cm long stick is cut into two parts in such a way that the longer part is 20 cm longer than the shorter part. How long is e

Pachacha [2.7K]

Answer:

The longer part is 45 cm long and the shorter part is 25 cm long.

Step-by-step explanation:

Given:

A 70 cm long stick is cut into two parts in such a way that the longer part is 20 cm longer than the shorter part.

Now, to find the length of each part of the stick.

Let the shorter part be $x.$

So, the longer part is $x+20.$

Total length of the stick = 70 cm.

Now, to get the length of each part we solve an equation:

$(x)+(x+20)=70\\\\x+x+20=70\\\\2x+20=70\\\\Subtracting\ both\ sides\ by\ 20\ we\ get:\\\\2x=50\\\\Dividing\ both\ sides\ by\ 2\ we\ get:\\\\x=25.$

The length of the shorter part is 25 cm.

Now, substituting the value of $x$ :

$x+20\\\\=25+20\\\\=45\ cm.$

The length of longer part is 45 cm.

Therefore, the longer part is 45 cm long and the shorter part is 25 cm long.

6 0

3 years ago

Find the missing factor B that makes the equality true. 21y^4= (B) (7y^3)

adelina 88 [10]

Answer:

21y^4= B*7y^3

B=(21y^4)/(7y^3)

B=3y

8 0

3 years ago

Spencer ran the first leg of a relay in 13.56 seconds. Michael ran the second leg. The total time it took both boys to run the r

zalisa [80]

Answer:

12.93

Step-by-step explanation:

26.49-13.56= 12.93

3 0

3 years ago

with the major options package and destination charge, a sports car costs $24,416. the base price of the car was ten times the p

victus00 [196]

x=base price
x/10=major options package
x/50=destination charge

x+x/10+x/50=24,416

x=21,800

3 0

3 years ago

Factor 4a2 - 25. A. (2a + 5)(2a + 5) B. (2a - 5)(2a - 5) C. (2a - 5)(2a + 5)

nikdorinn [45]

This is the diference of 2 perfect squares. 4 is a perfect square, x^2 is a perfect square, and 25 is a perfect square. The pattern for this is (ax + b)(ax - b). Our a is 2 since 2*2 = 4, and our b is 5 since 5*5 = 25. So your factors are (2a+5)(2a-5), choice C.

3 0

3 years ago