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notka56 [123]
3 years ago
8

*GET 30 POINTS IF YOU ANSWER* NEED ASAP! Three students were given the expression shown to simplify. Use the drop-down menus to

complete the statements about whether each student's answer is an equivalent expression. Then choose an expression that is equivalent.

Mathematics
1 answer:
Bas_tet [7]3 years ago
4 0

Answer:

The equivalent equation would be 6-2+4x, which could be simplified down to 4+4x

Sophia´s expression is wrong because she did not distribute correctly.

Ursula´s expression is incorrect because she tried adding -4x with 2. This is incorrect because the 2 does not a variable or 2 does not have an x beside it, so you can not add them both together to try to get to the answer.

Step-by-step explanation:

6⁻(2-4x) Given

6(-2+4x) Distributive Property, this is when you multiply everything in the parenthesis that is outside which would be -1 multiplied by -2 and -1 multiplied by -4x.

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Rania is playing with her friend Arun, and they are setting up dominoes across the room. Each domino is 2 inches long. They have
gogolik [260]

Answer:

no

Step-by-step explanation:

It should be less then or equal too, seeing as they want to reach all the way across the room.

6 0
3 years ago
Find the quantity represented by each percent. 65% of 180 pounds
Sedaia [141]
65% of 180=180*.65=117
4 0
3 years ago
Read 2 more answers
Find the vertex for y=3x^2-6x+5
Mkey [24]
The x value of the vertex in
ax^2+bx+c is -b/2a

y value is just sub for x


3x^2-6x+5
x value of vertex is -(-6)/(2*3)=6/6=1

sub back
y=3(1)^2-6(1)+5
y=3(1)-6+5
y=3-1
y=2

vertex is (1,2)

8 0
4 years ago
Is 5 in the solution of x+3>8?
Ivan

Answer: D) No; If x is 5, the expression on the left simplifies to 8, making the inequality false.

In other words, if x = 5, then x+3 becomes 5+3 which ultimately becomes 8, but this is not greater than 8 on the right side.

Your steps could look like this

x+3 > 8

5+3 > 8 ... replace x with 5

8 > 8 ... this is a false inequality

8 0
3 years ago
Maggie says that if the expression was 12÷3to the second power, you would divide before simplifying 3 to the second power. Is sh
mezya [45]

Answer:

Maggie is incorrect.

Step-by-step explanation:

PEMDAS tells us the order of operations and the steps of solving a mathematical statement. It states that exponents must be performed before multiplication or division.

P - Parentheses

E - Exponents

M - Multiplication

D - Division

A - Addition

S - Subtraction

Therefore, to solve 12÷3² correctly, 3² needs to be simplified to 9 <em>before</em> dividing.

I hope this helps!

4 0
3 years ago
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