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pentagon [3]
3 years ago
13

In problems like -20≤5y, when you divide by 5 do you reverse the symbol because -20 is negative?

Mathematics
2 answers:
vampirchik [111]3 years ago
8 0
No, you only reverse the symbol when the divisor is negative
vitfil [10]3 years ago
8 0

No, you only reverse the symbol if you multiply or divide a negative number to both sides of the inequality.

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(-14x+14)1/2+14x use distributive property <br> Help please
brilliants [131]

1/2(-14x + 14) + 14x

<em><u>Distributive property.</u></em>

-7x + 7 + 14x

<em><u>Combine like terms.</u></em>

7x + 7 (This is the simplified answer.)

7 0
3 years ago
Which functions domain consists of all real numbers except -2?
Eddi Din [679]

Answer:

option (a) f(x)= 1/x+2

Step-by-step explanation:

(a) f(x) = 1/ x+2

To find the restriction for domain , we set the denominator =0  and solve for x

x+2 =0, so x=-2

When x=-2  then denominator becomes 0 that is undefined.

So, domain is all real numbers except -2

(b) f(x)= 2x

In this function, there is no denominator or square root or log function

so there is no restriction for x, hence domain is all real numbers

(c) f(x) = 2x-2

In this function, there is no denominator or square root or log function

so there is no restriction for x, hence domain is all real numbers

f(x) = 1/ sqrt(x+2)

if we have square root in the denominator then we set the denominator >0 and solve for x. because square root of negative values are undefined

x+2>0, x>-2

Hence domain is all real numbers that are greater than -2

8 0
3 years ago
PLEASE HELP, WILL MARK AS BRAINLIEST!!!!!!!!!!!
Lisa [10]

A Trapezoid needs to have one pair of sides parallel.

Two of the points already plotted have the same Y value ( 3)

So the 4th dot, should have the same Y value as the first dot, which is 1.

The 4th dot should be plotted at C (5,1)

7 0
3 years ago
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Is 52ft greater than or less than 912in
viktelen [127]
52 ft is less than 912.

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3 years ago
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La suma de dos números enteros consecutivos es<br> menor que 57.
g100num [7]

Answer: La respuesta es 28 y 29. Tengo que explicar?

7 0
3 years ago
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