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Serggg [28]
3 years ago
13

Sam spent half of her allowance going to the movies she wash the family car and earn the seven dollars what is her weekly allowa

nce if she ended with 15$
Mathematics
1 answer:
lara [203]3 years ago
7 0
It’s $16 because 15-7=8 and 8x2=16
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Find the value of the expression. 7! ÷ 3! 5,040 5,034 840 24
koban [17]
First, let's review what the "factorial operator"  !   means.

5! = 5*4*3*2*1.

3! = 3*2*1

7! = 7*6*5*4*3*2*1

Then:  

 7!         7*6*5*4*3*2*1       7*6*5*4         5040
----- = ----------------------- = ------------- = ----------- = 5040 (answer) 
 3!              3*2*1                     1                  1


3 0
3 years ago
BRANILIEST ANSWER GETS ALOT OF POINTS I NEED HELP PLZZ
yulyashka [42]
For this problem, I'd use cross-multiplication.

9/12 = x/8.

When cross multiplying, multiply 12*x and 9*8. This leads to a new equation:

12x = 72.

Then you solve as an algebra problem.

*Divide 12 on both sides*

x = 6.
6 0
3 years ago
17. A bag contains 2x yellow counters, 4x + 6 red counters and 6x - 10 blue counters. a. Write an expression, in terms of x, for
Natalija [7]

Answer: 12x-4, 14 counters, 8 more counters

Step-by-step explanation:  There are 2x yellow, 4x+6 red, and 6x-10 blue counters. We need to add all of this up to get the total number of counters. We first add the x's : 2x+4x+6x = 12x. Then we add the numbers. 6+ (-10) is -4. So, our expression is 12x-4. Next, we need to find out how many blue counters are in the bag. We know that there are 44 total counters and we need to find x because all the counters have x in them. 12x-4 = 44. We first add 4 to both sides to get 12x= 48 and x = 4. blue has 6x-10 counters so, blue has 24-10 = 14 counters. Red has 16+6 = 22 counters. 22-14 = 8 more counters

7 0
1 year ago
Kelly bought a new pair of shoes for $9.95. Wendy paid 4.2 times this amount for a new pair of shoes. What price did Wendy pay f
ExtremeBDS [4]

wendy paid $41.79.

kelly's shoes were $9.95, and wendy paid 4.2 times more.

just multiply 9.95 with 4.2.

9.95 x 4.2 = 41.79

7 0
3 years ago
HI HOW ARE YOU MY DUDE!!!
vagabundo [1.1K]

Answer:

I'm fine how are you?

stay safe

7 0
3 years ago
Read 2 more answers
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