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2 years ago

If I had 169 apples and I give away 139 apples to my friends how many would I had?

Mathematics

2 answers:

strojnjashka [21]2 years ago

5 0

Answer:

30 apples left

Step-by-step explanation:

169 - 139

=30 apples left ( basic subtraction ) lols

iris [78.8K]2 years ago

3 0

169-139=30
...............

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Is 6/12 and 15/30 proportional?

sveticcg [70]

Answer:

yes

Step-by-step explanation:

6 is half of 12. 15 is half of 30. The ratios are equal, so the fractions are proportional.

Answer: yes

Also, you can reduce both fractions.

Divide the numerator and denominator of 6/12 by 6 to get 1/2.

Divide the numerator and denominator of 15/30 by 15 to get 1/2.

Since both fractions reduce to 1/2, 6/12 and 15/30 are equivalent fractions and are proportional.

5 0

2 years ago

Use the following information for #18

taurus [48]

Answer:

$12

Step-by-step explanation:

u do 120 divided by 10 which gives u 12 which gives u per hours

hope this helps

3 0

2 years ago

Read 2 more answers

You were given the polynomial f(x)=3x^3+13x^2+19x+k and you know that f(-2)=0find k

eduard

Answer:

k = 10

Explanation:

The initial polynomial is:

$f(x)=3x^3+13x^2+19x+k$

If f(-2) = 0, then when we replace x by -2, the result will be 0. It means that we can write the following equation:

$\begin{gathered} f(-2)=3(-2)^3+13(-2)^2+19(-2)+k=0 \\ 3(-2)^3+13(-2)^2+19(-2)+k=0 \end{gathered}$

Therefore, we can solve for k as follows:

$\begin{gathered} 3(-8)+13(4)+19(-2)+k=0 \\ -24+52-38+k=0 \\ -10+k=0 \\ -10+k+10=0+10 \\ k=10 \end{gathered}$

So, the value of k is 10

6 0

8 months ago

1. Solve the system of equations algebraically.

goldfiish [28.3K]

Hello,
Please, see the attached files.
Thanks.

8 0

3 years ago

Read 2 more answers

Can anyone help<br> Me with this problem plz

seropon [69]

First you need common denominator
x/2 - 6/2 = 34/2
now , eliminate denominator
x - 6 = 34 add 6 to both sides and simplify
x=40

3 0

3 years ago