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3 years ago

like terms -5b2 considered like to 5b2 or because of the negative they would be unlike or is it the b2 that makes them like?

1 answer:

7 0

-5b2 is still considered to be like 5b2 because they share terms (the variable)
so it is the b that makes them alike the exponent and the negatives dont matter

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Pls help me with this

alexgriva [62]

Answer:

x = 1.5

Step-by-step explanation:

Given

$\frac{x}{2} \geq 0.75$

$\frac{x}{2} < 2.5$

Required

Find the value of x.

First, the inequalities need to be rewritten and merged;

if $\frac{x}{2} \geq 0.75$ , then

$0.75 \leq \frac{x}{2}$

Multiply both sides by 2

$2 * 0.75 \leq \frac{x}{2} * 2$

$1.5 \leq x$

Similarly;

$\frac{x}{2} < 2.5$

Multiply both sides by 2

$2 * \frac{x}{2} < 2.5 * 2$

$x < 5$

Merging these results together; to give

$1.5 \leq x < 5$

This means that the range of values of x is from 1.5 to 4.9999....

From the question, x is the smallest rational number; from the range above ( $1.5 \leq x < 5$ ), the minimum value of x is 1.5 and 1.5 is a rational number;

Hence, x = 1.5

4 0

3 years ago

Which of the following points is a solution of y > |x| + 5? A.(0,5) B.(1,7) C.(7,1)

kozerog [31]

Y > |x| + 5
(0,5) when x = 0, y > 5 ...FALSE
(1,7) when x = 1, y > 6 ...7>6...TRUE
(7,1) when x = 7, y > 12 ...FALSE

answer
B.(1,7)

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3 years ago

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garri49 [273]

Answer:

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