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Alja [10]
3 years ago
10

What’s the answers to all on the left side I really don’t understand them

Mathematics
1 answer:
mario62 [17]3 years ago
7 0
7.A

40.00x10%=4 40.00-4=36 36/4=9
8.C

13x6=78 8500/78=108.97435... Round:109
9.D

|20|+|-25| (absolute values)= 45 degrees
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15. Edgar Anderson earns $200 a week plus a 15% commission on all sales over $1,000. If Mr. Anderson's sales for one week are $2
Gwar [14]
15. 

2500 X 15 = 37500
37500 ÷ 100 = 375
375 + 200 = 575
The answer is C.


16. 
The easiest way to answer this question is by going through each answer one by one: 

14:6 = 28:18
28 <span>÷ 14 = 2
</span>18 <span>÷ 6 = 3
</span>Since both numbers were multiplied by different numbers, we can establish that this is not a true proportion. 

42:7 = 6:2 
42 ÷ 7 = 6
7 ÷ 7 = 1
42:7 = 6:1
By dividing both numbers by the same number, we can establish that the answer is wrong. 

2:3 = 3:2
This is obviously wrong. That is because, in ratios, the order counts. So the first 3 is more than the first 2, therefore the second number on the other side of the ratio should be more than the first. 

3:5 = 12:20
12 <span>÷ 3 = 4
</span>20 <span>÷ 5 = 4
</span>Since both numbers were multiplied by the same number, this is a true proportion. 

The answer is D.

6 0
2 years ago
Mischa wrote, “Anderson has ten trading cards. He gives some to Desai.” This describes a possible context for the expression x m
WINSTONCH [101]

Answer:

It is inaccurate. Her words translate to 10 minus x

Step-by-step explanation

she minuses x and gives it to desai

7 0
2 years ago
Read 2 more answers
Mark bought a notebook for $1.45 and some pencils for $0.42 each. If the total cost was $6.91, how many pencils did he buy?
Lesechka [4]
B - 13

Okay, we know that Mark brought 1 notebook and the totally is 6.91 while one pencil costs $0.42.

x= number of pencils he brought.
we know the price of 1 notebook + the cost of pencils times the numbers of pencils he brought = total cost.

So the equation will be:

1.45 + 0.42x = 6.91  subtract 1.45 on both sides.
0.42x = 5.46   Then we solve for x by dividing both sides by 0.42
x= 13

So the number of pencils he brought is 13.

5 0
2 years ago
Read 2 more answers
Does circumference divided by ratio equal to pi?​
Harlamova29_29 [7]

Answer:

Yes circumference divided by ratio equals to pi

7 0
3 years ago
Read 2 more answers
Help with this!!plz. Asap
gizmo_the_mogwai [7]
Hey there! :D

So, we know that there are 3 z's and 3 6's. 

3*z= 3z

6*3= 18 

3(z+6) <== equivalent expression 

3z+18 <== equivalent expression

z is by itself. It shouldn't combine. It should stay the same. 6 as a unit is separate from z. 

Choices "B" and "E" are correct.

I hope this helps!
~kaikers
5 0
3 years ago
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