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3 years ago

How do I solve 3+4x (less than or equal to sign) x-2

Mathematics

1 answer:

Yuki888 [10]3 years ago

7 0

Answer: x < -5/3

Step-by-step explanation:

1) Subtract 3 from both sides (New inequality: 4x < x-5)

2) Subtract "x" from both sides (New inequality: 3x < -5)

3) Divide both sides by 3 (New inequality: x < -5/3)

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If the correlation coefficient is .87, is its relationship considered to be strong positive,weak positive,strong negative,weak n

myrzilka [38]

Answer:

strong positive correlation co efficient

Step-by-step explanation:

correlation:-

A correlation co-efficient is a numerical measure of some type of correlation,meaning a statistical relationship between two variables.

positive correlation:-

Positive correlation occurs when an increase in one variable increases the value in another.

Negative correlation:-

negative correlation occurs when an increase in one variable decreases the value of another.

Strong positive correlation:-

A co-efficient of correlation of + 0.87 indicates a strong positive correlation between the independent variables

Strong negative correlation:-

A co-efficient of correlation of - 0.87 indicates a strong negative correlation between the independent variables.

Zero correlation:-

There is no relationship is called zero correlation

weak positive correlation:-

A co-efficient of correlation below 0.2 indicates a weak positive correlation between the independent variables.

weak negative correlation:-

A co-efficient of correlation below -0.2 indicates a weak negative correlation between the independent variables.

8 0

2 years ago

Helllp please someone

alexandr1967 [171]

Answer: -920

Step-by-step explanation:

-447 - 473 = -920

In this case, smaller means more negative

3 0

3 years ago

Read 2 more answers

Mary's making curtains out of some fabric for five Windows the two larger windows are the same size and the three smaller window

pochemuha

So we have 2 large windows, each needing 3 3/4 yds of fabric....and 3 small windows, each needing 1 1/3 yds of fabric

2(3 3/4) + 3(1 1/3) =
2(15/4) + 3(4/3) =
30/4 + 12/3 =
7 1/2 + 4 =
11 1/2 (or 11.5) yds of fabric are needed <==

5 0

3 years ago

Which situation illustrates quadratic equation?

Anna007 [38]

Complete Question:

Which situation illustrates quadratic equation?

a. The length of a rectangular board is 3m longer than its width and its perimeter is 25m.

b. Joey paid at least P2,000 for the shirt and pants.The cost of pants is P700 more than the shirt.

c. A garden's length is 7m longer than its width and the area is 18 square meter.

d. A lot costbP4,000 per square meter and the area is 120 square meters.

Answer:

Step-by-step explanation:

Required

Determine which option answers the question, correctly.

From the list of given options, only option c answers the question correctly.

This is shown below.

Represent

Length with l and Width with w, such that:

$l = 7 + w$

Area (A) is calculated as thus:

$A = l * w$

Substitute 7 + w for l and 18 for A.

This gives:

$18 = (7 + w) * w$

Open Bracket

$18 = 7w + w^2$

Reorder

$w^2 + 7w = 18$

Subtract 18 from both sides

$w^2 + 7w - 18= 18 - 18$

$w^2 + 7w - 18= 0$

See that the above expression is a quadratic equation.

4 0

3 years ago

Which is a factor of 6x2 + x − 7?

kvv77 [185]

Solution:

The Quadratic polynomial in variable x is :

→ 6 x² + x -7

Breaking the middle term i.e term containing variable x

= 6 x² + 7 x - 6 x -7

= x ( 6 x +7) - 1 (6 x +7)

= (6 x + 7)(x-1)→→→Factor of 6 x² + x -7

6 0

3 years ago

Read 2 more answers