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san4es73 [151]
3 years ago
14

What is the unknown fraction?

Mathematics
1 answer:
Bezzdna [24]3 years ago
5 0

Answer:

47/100

Step-by-step explanation:

we will shift the 2/10 to the other side and change the sign to minus

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What is the answer to -1/2+5/4?
babunello [35]

Answer:

3/4

Step-by-step explanation:

6 0
3 years ago
***WILL GIVE BRAINLIEST***
AlekseyPX

Answer:

a.) Selecting two red balls (because there are more red balls than white)

OR

c.) Selecting 1 red ball and then 1 white ball (because there is also a chance of selecting a white ball after selecting a red ball)

(Not kinda sure)

<em><u>Hope</u></em><em><u> </u></em><em><u>this</u></em><em><u> helps</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>

4 0
3 years ago
K increased by the product of 5 and 3 ​
satela [25.4K]

Answer:

k+15

Step-by-step explanation:

The word "increased" indicates that there will be addition and the word "product" indicates there will be multiplication. Since it's asking for the product of 5 and 3, we can solve by multiplying those two numbers to get 15. Our variable k will then add 15. So, the final answer we get is: k+15

8 0
3 years ago
Х<br> 10<br> 19<br> 5<br> у<br> -10<br> 4<br> 4<br> Is this a relation function
IrinaVladis [17]

Answer:

yes

Step-by-step explanation:

each x-value has only one y-value

6 0
4 years ago
A box contains $7.45 in nickels, dimes, and quarters. There are 43 coins in all, and the sum of the numbers of nickels and dimes
kari74 [83]

Answer:

<em>Number of nickels = 6</em>

<em>Number of dimes = 14</em>

<em>Number of quarters = 23</em>

<em></em>

Step-by-step explanation:

Total number of coins = 43

Let number of nickels = n

Let number of dimes = d

Let number of quarters = q

n+d+q=43 ...... (1)

Money in n nickels = n \times 0.05

Money in d dimes = d \times 0.10

Money in q quarters = q \times 0.25

Total money = $7.45

0.05n +0.10d+0.25q = 7.45\\\Rightarrow 5n +10d+25q = 745 .... (2)

The sum of the numbers of nickels and dimes is 3 less than the number of quarters.

i.e.

n+d=q-3

Let us put the value  in (1):

q-3+q=43\\\Rightarrow 2q= 43+3\\\Rightarrow q =23

Putting the value of q in (1) and (2):

n+d = 20 .... (3)

5n+10d+575 =745\\\Rightarrow 5n+10d =170\\\Rightarrow  n+2d =34 .... (4)

(4) - (3):

d = 14

Now, from (3):

n = 6

<em>Number of nickels = 6</em>

<em>Number of dimes = 14</em>

<em>Number of quarters = 23</em>

5 0
3 years ago
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