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Alenkasestr [34]
3 years ago
10

The value of -4 - x is positive. What must be true about x ? NEED HELP NOW!!!!!

Mathematics
2 answers:
stira [4]3 years ago
8 0
X would have to be negative. It’s gotta be negative because the initial -4 would make any positive answer just simply negative. A negative minus a positive is negative. But if you need a negative minus a negative, the second term turns positive.

Taking all this into account, we know the answer has to be negative. Would -4 work? No because it would equal 0. So this means x is greater than it equal to -5.

x > -4
makkiz [27]3 years ago
6 0

Answer:

x is bigger than or equal to 5.

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lesantik [10]

Answer:

If x^2 = 1, then x = 1 is NOT true because x can also be -1.

6 0
1 year ago
In the diagram, BC¯¯¯¯¯∥DE¯¯¯¯¯ .<br><br> What is AE ?
emmainna [20.7K]
So there are two triangles here: Smaller one (ADE) and bigger one (ABC) and they both are similar.

So you can use proportions here.

AB / AC = AD / AE

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So plug in these values:

AB / AC = AD / AE becomes
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Now do the cross multiply:

7 AE = 6 (AE + 3)

Now solve for AE:

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6 0
2 years ago
a student says that if 5x^2 = 20, then x must be equal to 2. do u agre or disagree with the student? justify your answer.​
inna [77]

Answer:

The student is correct.

Step-by-step explanation:

Given that 5x² = 20:

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5x² = 20

5(2)² = 20

5(4) = 20

20 = 20

Therefore, the student is correct that x = 2.

7 0
2 years ago
The following data points represent the number of pumpkins at each pumpkin patch in Witchton, Kansas,
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Answer:

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Step-by-step explanation:

4 0
2 years ago
7 of 12
astra-53 [7]

Answer:

x = 10

Step-by-step explanation:

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=  ( cross- multiply )

6x = 60 ( divide both sides by 6 )

x = 10

Step-by-step explanation:

7 0
2 years ago
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