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TiliK225 [7]
3 years ago
5

Which value of x makes this inequality true ? x+9<4x Answers: 1, 4, 3 , or 2

Mathematics
1 answer:
babymother [125]3 years ago
4 0

Answer:

4

Step-by-step explanation:

x+9<4x

Subtract x from each side

x-x+9<4x-x

9 < 3x

Divide each side by 3

9/3 < 3x/3

3 < x

X must be greater than 3

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What is the slope m in the equation y = -2x + 5
igor_vitrenko [27]

Answer:

<em>m</em> = -2

General Formulas and Concepts:

Slope-Intercept Form: y = mx + b

m - slope

b - y-intercept

Step-by-step explanation:

<u>Step 1: Define function</u>

y = -2x + 5

<u>Step 2: Break function</u>

Slope <em>m</em> = -2

y-intercept (0, 5)

6 0
2 years ago
Need help.<br>I 2x +1 I &lt; -4
anastassius [24]


the absolute value of a number is always positive. Therefore you cannot have an absolute value equal to a negative number.

the answer would be "no solution"

7 0
2 years ago
Read 2 more answers
0.3(3a-4)-0.05(8a)(-7a)
Anit [1.1K]

Answer:

2.8a²+0.9a - 1.2

Step-by-step explanation:

Given the expression 0.3(3a-4)-0.05(8a)(-7a)

Expand using the distributive law

0.3(3a-4)-0.05(8a)(-7a)

0.3(3a)-0.3(4)-0.05(8a)(-7a)

0.9a-1.2 - 0.05(8a)(-7a)

0.9a - 1.2 + 2.8a²

Rearrange

2.8a²+0.9a - 1.2

Hence the required expression is 2.8a²+0.9a - 1.2

3 0
2 years ago
Help help help math math ASAP
REY [17]

I think it is function also.

6 0
2 years ago
Help me with this quiz pls
kirill [66]

Answer:

Tan θ = y/z

Step-by-step explanation:

Reference angle = θ

Opposite side to θ = y

Adjacent side = z

Thus:

Tan θ = opposite/adjacent

Tan θ = y/z

4 0
3 years ago
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