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NemiM [27]
3 years ago
8

Find the Constant of Proportionality from the table

Mathematics
1 answer:
eimsori [14]3 years ago
7 0
Bye $2?3?3?4?4?4?4?4?!4$4$4&3&3!:??:?:$.!.!/!!/!3!3!3
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Use substitution to solve the system.<br> x = 2y +13<br> - 2x + 3y = -21
il63 [147K]
The answer is
(x,y) = (3,-5)
7 0
3 years ago
[02.05] Marcie solved the following inequality, and her work is shown below: −2(x − 5) − 12 ≤ 4 + 6(x + 3) −2x + 10 − 12 ≤ 4 + 6
Nezavi [6.7K]
Hi there! Marcie made a mistake in the last step of the solving process.

Let's solve this problem step by step!
−2(x − 5) − 12 ≤ 4 + 6(x + 3)

First work out the parenthesis, which can for instance be done using rainbow method.

−2x + 10 − 12 ≤ 4 + 6x + 18
The parenthesis are worked out correctly. Remember that multiplying a negative by a negative gives you a positive.

Now we can collect the terms.
−2x − 2 ≤ 6x + 22

The terms are collected correctly.

Next up is subtracting 6x from both sides and adding 2 to both sides of the inequality.
−8x ≤ 24

This step is also correct.
Finally we must divide both sides of the inequality by -8 to find our answer. Be aware of the fact that the sign flips when dividing by a negative!

x ≤ −3
Mistake! Marcie forgot to flip the sign. Instead the answer should be x \geqslant - 3

~ Hope this helps you!
4 0
3 years ago
How many dimes are equal to $9? (10 dimes = $1.00)
Ivanshal [37]
90 dimes. Hope I helped
3 0
3 years ago
Read 2 more answers
-5⁄2 a + 5 = 25 What Does A =
ruslelena [56]

Answer:

a = -8

Step-by-step explanation:

-5⁄2 a + 5 = 25

Subtract 5 from each side

-5⁄2 a + 5-5 = 25-5

-5/2 a = 20

Multiply each side by -2/5 to isolate a

-2/5 * -5/2 a = -2/5 *20

a = -8

6 0
3 years ago
Question 7(Multiple Choice Worth 75 points) Which of the following is true of all minerals? Made of many different elements Come
algol [13]
The true statement is that minerals come from the ground as crystals. Hope this helps!
4 0
3 years ago
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