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Maurinko [17]
3 years ago
9

PLS HELP!! How is 7x20 similar to find ping 7x200?? GIVING BRAIN LIST TO BEST ANSWER

Mathematics
2 answers:
REY [17]3 years ago
8 0

Answer:

7x20 is similar to 7x200 because you are multiplying the same number with 20 and then 20x10. The answers will be similar in that they are the same first 2 numbers, but one answer will be 10 times bigger, or have one more 0. The answers would be 140 and 1400.

Nataly_w [17]3 years ago
3 0

Answer:

the answer to both are multiples of 10

Step-by-step explanation:

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A password contains exactly 7 letters. How many passwords are possible if letters cannot be used more than once?
DerKrebs [107]

Answer:

B

Step-by-step explanation:

This is a combination problem. For the first letter, there are 26 possible letters in the alphabet to use. For the second, we cannot use the letter used in the first, so there are only 25 possible letters. Repeat this for the remaining 5 letters.

1st - 26

2nd - 25

3rd - 24

4th - 23

5th - 22

6th - 21

7th - 20

To find the number of possible passwords, simply multiply all these numbers together. 26*25*24*23*22*21*20 = 3,315,312,000. Therefore B is the correct answer.

8 0
2 years ago
Read 2 more answers
(4y − 3)(2y2 + 3y − 5)
VladimirAG [237]

Answer:

8y^3+6y^2-29y+15

Step-by-step explanation:

the correct expression is

(4y − 3)(2y^2 + 3y − 5)

Given data

We have the expression

(4y − 3)(2y^2 + 3y − 5)

let us open bracket

8y^3+12y^2-20y-6y^2-9y+15

Collect like terms

8y^3+12y^2-6y^2-20y-9y+15

8y^3+6y^2-29y+15

4 0
3 years ago
What value of x makes this proportion true 3/x=15/40
r-ruslan [8.4K]
3/x=15/40
solve for x
multiply both sides by x
3=15x/40
multiply both sides by 40
120=15x
dvide both sdies by 15
8=x

the answer is 8

or you could simplifyy 15/40 to get 3/8
8 0
3 years ago
Read 2 more answers
Blake has 3 cakes that he wants to divide evenly amongst his classmates. If he wants to give each classmate 1/5 of a cake, how m
Nat2105 [25]

Answer:

he would have enough for 15 classmates

8 0
3 years ago
3 3/4 / 2/5 = what? I'm struggling
Soloha48 [4]

Lets convert 3 3/4 into improper fraction first.

3\frac{3}{4}  =  \frac{3 \times 4 + 3}{4}  \\  =  \frac{15}{4}

\frac{3\frac{3}{4} }{ \frac{2}{5} }  \\  =  \frac{15}{4}  \div  \frac{2}{5} \\  =  \frac{15}{4}   \times  \frac{5}{2}  \\  =  \frac{75}{6}  \\  =  \frac{25}{2}  \: or12  \frac{1}{2} or \: 12.5

3 0
3 years ago
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