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natita [175]
3 years ago
5

Check my work??? I will add a picture plz tell me if im right its worth 50 points!!

Mathematics
1 answer:
kkurt [141]3 years ago
6 0

yes it's the right answer

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3 = 2 – x 3 = 2 – 2 – x 3 = –x 2003-03-02-00-00_files/i0110000.jpg –3 = x A. The student incorrectly applied the multiplication
rewona [7]
Answer:
B. The student did not properly apply the addition property to isolate x

Explanation:
When given an equation to solve, always remember that when you do an external operation (add/subtract/multiply a term or divide by a term) on one side of the equation, the same operation should be applied on the other side in order to maintain the equality of the equation.

Now, let's take a look on the steps done:
Step 1:
3 = 2 - x
Step 2:
3 = 2 - 2 - x
Step 3:
3 = -x

Now, note n step 2, the student wanted to get rid of the 2 next to the x, therefore, he subtracted 2. However, the student did not subtract the 2 from the other side of the equation. Since we're taking addition (we're adding a -2), therefore, the student incorrectly applied the addition property to isolate the x.

The correct steps would be as follows:
Step 1:
3 = 2 - x
Step 2:
3 - 2 = 2 - 2 - x
Step 3:
1 = - x

Hope this helps :)
5 0
3 years ago
Can someone help me thankyou <3
grigory [225]

Answer:

P(G)= 7/10

B, 1, P(not B)

1- 8/10, p(Y)= 2/10

Step-by-step explanation:

hope this helps

correct me if this is wrong

6 0
3 years ago
5x - 4y = 17<br> 6x + 4y = -6
Otrada [13]

Answer:

x = 14.2 y=15.

Step-by-step explanation:

6 0
3 years ago
If f(x) = 2x^2 + 2, find f(5)
zlopas [31]

Well, following the order of PEMDAS, I got choice B. 52

For instance, when you plug in 5 for x, you get F(5)=2(5)^2+2.

Moreover, following PEMDAS, you're supposed to solve what's inside the parenthesis, but since there is no operation going on inside the parenthesis, then you simple move on to the exponent.

In this case, you square the number 5, which gives you F(5)=2(25)+2

After that, you Multiply (letter M in PEMDAS). This results in F(5)=50+2.

Finally, you add them, which results in F=52.


By the way, I noticed a mistake in your work. When multiplying 2 by 5, the answer is 10, not 20.

Anyway, hope this helped! :-)  

8 0
3 years ago
What is the average daily temperature for all ten years?<br> ____ degrees
sveta [45]

Answer:

the average is 53.6

6 0
3 years ago
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