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kkurt [141]
3 years ago
13

The answers to 4,5,6

Mathematics
1 answer:
Zolol [24]3 years ago
6 0
4. x < 5; 9*5 = 45; The answer has to be less than 45; 45/9 =5; so x has to be less than 5.

5. n <= -3; -14*-3 = -42; The answert has to be greater than or equal to 42; 42/-14 = -3; so n has to be less than -3 or equal to -3.

6. x > 24; The answer has to be less than -6; 24/-4 = -6; so the answer has to be greater than 24.

Hope this helped☺☺
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6(7x+7)=7(6x+6) how do I solve this ​
lesantik [10]
Basically that is a certain order where you can swap around the numbers. The answer is that the problem is correct because both equal 49x
8 0
3 years ago
I need help! Please and thank you-
Ymorist [56]

Answer:

Well, I'm not really sure what to do, but if you just need the numbers to multiply to get the latter numbers in the question they are: 10/11 (for the first question) and 81/80 for the second.

Step-by-step explanation:

For Question #1: You just multiply 5/11 by two to get the number that 1/2 has to multiply to get 5/11. And 5/11 * 2 is 10/11. So I guess the answer is 10/11...

For Question #2: The common denominator for them both is 180, and 4/9 times 81/ 80 is what 80/180 (4/9) has to multiply by to get 81/180.

I used the equation 4/9x=9/20

Multiplied the 9 and then divided by 4 to get the answer, which was 81/80.

***I also noticed, that 1/2 is 1/22 away from 5/11, and 4/9 is 1/180 away from 9/20.

Hope this helps!

7 0
3 years ago
Read 2 more answers
B) Find the value of 2^-3 x 3^-2
jekas [21]

Answer:

1/72

Step-by-step explanation:

2^-3 = 1/2^3 = 1/8

3^-2 = 1/3^2 = 1/9

1/8 x 1/9 = 1/72

7 0
3 years ago
Read 2 more answers
What is the significance of the point of intersection of a pair of simultaneous equations
Alex777 [14]

Answer:

The point of intersection gives the solution set(s) of the associated system.

Step-by-step explanation:

If we have a pair of simultaneous equations in 2 variables in x and y, then the point of intersection is the ordered pair (x,y).

This could be a unique intersection, only one point or infinitely many intersection.

This gives us the solution of the simultaneous equations.

Therefore the significance of the point of intersection of a pair of simultaneous equations is that, it gives us the solution set(s) of the associated system.

7 0
3 years ago
Lance bought n notebooks that cost $0.75 each and p pens that cost $0.55 each. A 6.25% sales tax will be applied to the total co
zhuklara [117]
The total cost for n notebooks is 0.75n. Also, the total amount paid for the p pens is 0.55p. Adding them all up will give us an answer of,                                0.75n + 0.55p. 
Now, including the 6.25% tax, the total amount to be paid is,                       total amount  = 1.0625(0.75n + 0.55p)

7 0
4 years ago
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