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svp [43]
3 years ago
11

Evaluate the expression if s=3 and t=6 3s+t 15 21 27 39

Mathematics
2 answers:
Brut [27]3 years ago
5 0

Answer:

15

Step-by-step explanation:

Substitute s = 3 and t = 6 into the expression

3s + t

= (3 × 3) + 6 = 9 + 6 = 15

Serhud [2]3 years ago
5 0

Answer:

the answer is 15

Step-by-step explanation:

3 x 3= 9

9 + 6= 15

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My mom was at the store with a 15% off coupon. She spent $25.00 with 7% sales tax. How much is the total?
aleksandrvk [35]

Answer:

The answer is $22.74

Step-by-step explanation:

7 0
3 years ago
A local sporting event charges $6 for each adult ticket and $3.50 for each child ticket. If the stadium sold a total of 65 adult
tatyana61 [14]
45 adult tickets were sold.

adult tickets = a
childrens tickets = b

a + b = 65
6a + 3.5b = 340

Subtract a from the equation on top to get b = 65 - a
Substitute into the second equation 6a + 3.5(65 - a) = 340
Simplify to make 6a + 227.5 - 3.5a = 340
6a - 3.5a = 340 - 227.5
Combine like terms so that 2.5a = 112.5
Divide both sides by 2.5 to isolate the variable a

Your final answer is a = 45
7 0
4 years ago
Ejsodndodndodjeosndi??
nalin [4]
Itxutxitxikhxkyztidurdutzktxgxkh
5 0
3 years ago
If you copy a page on a machine at 72%, you should get a similar copy of the page. What is the corresponding setting to obtain t
allsm [11]

Answer:

138\frac{8}{9}\%

Step-by-step explanation:

we know that

To find out the corresponding setting to obtain the original from the copy, divide 100% by 72%

so

\frac{100}{72}

Simplify

\frac{100}{72}=\frac{25}{18}

Convert to percentage

\frac{25}{18}(100)=\frac{2,500}{18}\%

Simplify

\frac{2,500}{18}\%=\frac{1,250}{9}\%

Convert to mixed number

\frac{1,250}{9}\%=\frac{1,242}{9}+\frac{8}{9}=138\frac{8}{9}\%

5 0
3 years ago
I forgot how to multiply by division and multiplication. It’s been such a long time since I’ve done it i’ve practically forgot h
levacccp [35]

Answer:

First, multiplication:

Multiplication is repeated addition, there's really no way to put it simpler. For example:

4 × 6 = 24 because 4 + 4 + 4 + 4 + 4 + 4 = 24

3 × 3 = 9 because 3 + 3 + 3 = 9

9 × 2 = 18 because 9 + 9 = 18

Multiplication, like addition, can also work backwards, so 6 × 4 is also 24, 2 × 9 is 18, and so on.

I recommend practicing your times tables up to 12 if your remembrance has gotten really bad.

Now division:

Division has the same properties as multiplication, except with subtraction. The difference, however, is that division does not work backwards. It's the same as subtraction.

Here are some examples for division:

6 ÷ 3 = 2 because 6 - 3 - 3 = 0 (3 can be subtracted twice, so the answer is 2)

12 ÷ 4 = 3 because 12 - 4 - 4 - 4 = 0

20 ÷ 2 = 10 because 20 - 2 - 2 - 2 - 2 - 2 - 2 - 2 - 2 - 2 - 2 = 0

I'd recommend practicing your long division if you are struggling.

Hope this helped you! If you have any more questions, send me a friend request and I'll check for more questions every so often. :)

5 0
3 years ago
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