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vesna_86 [32]
3 years ago
8

Noah and Audrey are simplifying the expression 5x-4+x+2, whos is wrong and why;

Mathematics
1 answer:
tigry1 [53]3 years ago
3 0
5x - 4 + x + 2...combine like terms
6x - 2

Noah is wrong...he obviously forgot to add the x

write an expression that contains 3 terms : 6x^2 + 5x - 2
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HELP MEEEEEEEEE PLEASEEEEEEEEEEEEEE!!!!!!!!!!!!!!!!!!
Nadya [2.5K]

Answer: 58, 122

Step-by-step explanation:

x+2x+6=180\\\\3x+6=180\\\\x+2=60\\\\x=58\\\\\therefore 180-x=122

4 0
2 years ago
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After swimming 55 feet below the surface of the water, a
Lyrx [107]

Answer:

c.

Step-by-step explanation:

when the fish swam down 55, you moved 55 to the left of zero. then when he swam 30 up, you take that 55 and move it 30 towards to the right. since -55 is greater than 30, your answer is still negative. -55+30=-25.

4 0
3 years ago
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Help please really needed
Anarel [89]

Answer:

Either :

1/2 10x+1/2 20y+1/2 10z

or

5x+10y+5z

Step-by-step explanation:

You're just multiplying everything by 1/2

7 0
3 years ago
This banana is 8 inches long how many 0.4 inch slices of banana can be cut from this banana
harina [27]

divide 8 by .4

8 is the whole, but you want to find how many parts that are .4 can fit in the whole

8 \div .4 = 20

as you have to move the dividend decimal forward to make it whole, and add a digit on the divisor

5 0
3 years ago
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Which function has real zeros at x = −10 and x = −6?
ivann1987 [24]

Answer:

Option (a) is correct.

f(x)=x^2+16x+60

Step-by-step explanation:

Given :A function has real zeros at x = −10 and x = −6 .

We have to find the function that has real zeros at x = −10 and x = −6.

Consider real zeros at x = −10 and x = −6.

x = - 10 ⇒ x + 10 = 0

x = - 6 ⇒ x + 6 = 0

Multiply both zeroes, we have,

(x+10)(x+6)

Apply Distributive rule,

(a+b)(c+d)=ac+ad+bc+bd

we have,

(x+10)(x+6)=x^2+10x+6x+60

Simplify, we have,

(x+10)(x+6)=x^2+16x+60

Thus, f(x)=x^2+16x+60

Option (a) is correct.

6 0
4 years ago
Read 2 more answers
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