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erastova [34]
3 years ago
6

Alejandro bought $3.50 worth of pencils and erasers at the school store. Pencils cost $0.50 apiece, and erasers cost $0.75 apiec

e. Which equation written in standard form represents the number of pencils, p, and the number of erasers, e, that Alejandro bought?
A. 0.75e = 3.50 – 0.50p
B. 0.50p + 0.75e = 3.50
C. 3e = 14 – 2p
D. 2p + 3e = 14
Mathematics
1 answer:
Bezzdna [24]3 years ago
5 0

Answer:

I would say that is is B

Step-by-step explanation:

Just put the answer

Please make be brainliest or like rate my answer please and thanks <3

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Which property of equality is represented?<br> If 8x = 5y - 3z, then 5y -3z = 8x
vlada-n [284]

Answer:

The symmetric property  

Step-by-step explanation:

The symmetric property of equality says we can exchange the sides of an equation and it will still be true..

In symbols, it says

If a = b, then b = a.

Your statement is

If 8x = 5y - 3z, then 5y -3z = 8x

Let a = 8x and b = 5y - 3z and your statement becomes

If a=b, then b=a

It is an example of the symmetric property of equality.

6 0
4 years ago
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umka21 [38]

Answer:

c) 1.2 mm, 1.6 mm, 2 mm

Step-by-step explanation:

In order to find which sides equal a right triangle, you need to use the Pythagorean Theorem: A^2+B^2=C^2

Set up the equation with the first numbers. The two shorter sides (legs) are A and B, and the longest side (hypotenuse) is C.

4^2+5.5^2 = 6^2

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Since the two sides are not equal, the first option is not a right triangle.

When you follow these steps with the remaining three options, you'll find that the third option (C) makes a right triangle.

1.2^2+1.6^2=2^2\\4=4

Hope this helps, have a nice day!

3 0
3 years ago
3(x + 1) = −2(x − 1) + 6
Pavel [41]

Answer:

x=1

Step-by-step explanation:

3(x+1)=-2(x-1)+6

1) Distribute 3 to x and 1:

3x+3=-2(x-1)+6

2) Distribute -2 to x and -1:

3x+3=-2x+2+6

3) Combine alike terms:

3x+3=-2x+8

4) Add 2x to both sides:

5x+3=8

5) Subtract 3 from both sides:

5x=5

6) Divide both sides by 5:

x=1

8 0
3 years ago
Help! I don’t understand it!
MrRissso [65]
54 and 72 Goes in the "Divisible by 6 and 9" column
90 goes in the "Divisible by 5 and 9" column
84 and 96 goes in the "Divisible by 2 and 6" column

hope this helps!
3 0
3 years ago
Read 2 more answers
Let p: x &lt; −3<br> Let q: x &gt; 3<br><br> What is represented by p ∨ q?
I am Lyosha [343]

Amphitrite1040Answer:

Amphitrite1040

Step-by-step explanation:

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