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strojnjashka [21]
2 years ago
7

Hannah has only nickels and dimes in her wallet she has a total of $2.50 and a total of 30 coins how many nickels does she have?

Mathematics
1 answer:
hodyreva [135]2 years ago
8 0
She has 10 nickels
She has 20 dimes

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-7 (5y - 2u - 5)<br> Use the distributive property to remove parentheses
Montano1993 [528]
Times -7 by everything in the parentheses. so

-7 times 5y=-35y
-7 times -2u=14u
-7 times -5 = 35

therefore 35y+14u+35
8 0
3 years ago
What is another way to write 42 + 63
satela [25.4K]
You could write this  by going 63+42 or add 63 and 42 
hope that's what you are looking for ;-)<span />
7 0
3 years ago
Read 2 more answers
Please help
nalin [4]

Answer:

12870ways

Step-by-step explanation:

Combination has to do with selection

Total members in a tennis club = 15

number of men = 8

number of women = 7

Number of team consisting of women will be expressed as 15C7

15C7 = 15!/(15-7)!7!

15C7 = 15!/8!7!

15C7 = 15*14*13*12*11*10*9*8!/8!7!

15C7 = 15*14*13*12*11*10*9/7 * 6 * 5 * 4 * 3 * 2

15C7  = 15*14*13*12*11/56

15C7 = 6,435 ways

Number of team consisting of men will be expressed as 15C8

15C8 = 15!/8!7!

15C8 = 15*14*13*12*11*10*9*8!/8!7!

15C8 = 15*14*13*12*11*10*9/7 * 6 * 5 * 4 * 3 * 2

15C8 = 6,435 ways

Adding both

Total ways = 6,435 ways + 6,435 ways

Total ways = 12870ways

Hence the required number of ways is 12870ways

4 0
2 years ago
B(n) = -1 (2)^n-1 What is the 5th term in the sequence?
bija089 [108]

Answer:

<h2>The answer is - 16</h2>

Step-by-step explanation:

<h3>b(n) =  - 1 ({2})^{n - 1}</h3>

where

n is the number of terms

From the question since we are finding the 5th term

n = 5

Substitute the value into the above formula and solve

We have

b(5) =  -  1({2})^{5 - 1}  \\  =  - 2 ^{4}

We have the final answer as

<h3>- 16</h3>

Hope this helps you

8 0
3 years ago
Which of the following mixtures of paint could be used as the missing values in the table ? Choose 2 answers
Kazeer [188]

Answer:

weres the answer how am i going to answer this

Step-by-step explanation:

6 0
3 years ago
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