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iVinArrow [24]
4 years ago
11

Find all real numbers $x$ such that $3x - 7 \le 5x +9$. give your answer as an interval.

Mathematics
1 answer:
Naily [24]4 years ago
6 0
We want to solve the inequality
3x - 7 ≤ 5x + 9
Subtract 3xfrm each side.
-7 ≤ 2x + 9
Subtract 9 from each side.
-16 ≤ 2x
Divide each side by 2.
-8 ≤ x
Multiply each side by -1.
8 ≥ x
Therefore  -∞ < x ≤ 8  or x = (-∞, 8]

Answer:  x = (-∞, 8]

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Which terms could be used as the first term of the expression below to create a polynomial written in standard form?
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Answer:

5s⁷/6

s⁵

3r⁴s⁵

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-6rs⁵

4r/5⁶ can't be the first term.

We start with the highest degree term

4 0
3 years ago
A horse galloped at a rate of 42 mph at this rate what is the closest to the number of meters that the horse for travel in a sec
a_sh-v [17]
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4 years ago
Suppose j varies jointly with g and v, and j=1 when g=6 and v=3.
Alex_Xolod [135]
"Joint variation<span>" means "directly, but with two or more variables". Thus, we write as follows:

j </span>α gv
<span>
We insert proportionality constant k, to change it to equality.

j = kgv

We solve k,

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6 0
4 years ago
Read 2 more answers
Can someone please help me with math.
o-na [289]

Answer:

c. 84

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4 0
3 years ago
2. Error Analysis Given the function
Wittaler [7]

Martin's error : The graph of g(x) should be translated 3 units left (not right) from the parent graph.

<u>Concept - Horizontal Translation</u>:

If f(x) is a parent function, then

f(x+h) shifts graph of f(x) by <em>h</em> units to the left.

f(x-h) shifts graph of f(x) by <em>h</em> units to the right.

<u>Given:</u>

Parent function: f(x)=x^2

g(x) = (x + 3)^2

By using concept of horizontal translation,

The graph of g(x) should be translated 3 units left from the parent graph.

i.e. Martin's error : The graph of g(x) should be translated 3 units left (not right) from the parent graph.

Learn more about <u>translation</u>:

brainly.com/question/23871783

brainly.com/question/17151826

3 0
3 years ago
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