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3 years ago

Expression is to phrase as inequality is to _______________.

Mathematics

1 answer:

seropon [69]3 years ago

6 0

Answer:

is to specify less than or greater than.

Step-by-step explanation:

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Please help fassssst

Zarrin [17]

Answer:

$\dfrac{9}{2}$

Step-by-step explanation:

You can do this using the quadratic equation:

$x =\dfrac{-b\pm\sqrt{b^{2}-4ac}}{2a}$

Let's first setup our expression:

4x² + 12x = 135

the quadratic formula is:

ax² + bx + c = 0

4x² + 12x - 135 = 0

Then:

a = 4

b = 12

c = -135

Now we plug in our coefficients and solve:

$x =\dfrac{-12\pm\sqrt{12^{2}-4(4)(-135)}}{2(4)}$

We solve for both to determine the positive one:

$x =\dfrac{-12+ \sqrt{12^{2}-4(4)(-135)}}{2(4)}$ $x =\dfrac{-12- \sqrt{12^{2}-4(4)(-135)}}{2(4)}$

$x =\dfrac{-12+ \sqrt{144+2160}}{8}$ $x =\dfrac{-12- \sqrt{144+2160}}{8}$

$x =\dfrac{-12+ \sqrt{2304}}{8}$ $x =\dfrac{-12- \sqrt{2304}}{8}$

$x =\dfrac{-12+ 48}{8}$ $x =\dfrac{-12- 48}{8}$

$x =\dfrac{36}{8} = \dfrac{9}{2}$ $x =\dfrac{-60}{8} = \dfrac{-15}{2}$

So if you are looking for a positive solution, just take the positive one as x.

8 0

2 years ago

Circle the difference 9 - 4=5

Igoryamba

5 is the difference.

Note: Minuend - Subtrahend = Difference

3 0

3 years ago

Read 2 more answers

Use the graph below to list the x value(s) where the limits as x approaches from the left and right of those integer values(s) a

kirza4 [7]

<span>the limits as x approaches from the left and right of 1 is not equal.</span>

4 0

3 years ago

What is 1.23625 rounded to the nearest cent?

Art [367]

Answer:
1.23625 rounded would be 1.24

6 0

2 years ago

Read 2 more answers

Help!1!1!1 ASAP please !1!1

gulaghasi [49]

Answer:

1/4 Teaspoons: 7

1/3 Cup: 20

Step-by-step explanation:

1/3 Cup:

Butter (2), Sugar (4), Coca (3), Flour(11)

1/4 Teaspoon:

Salt (3), Baking Soda (4)

4 0

3 years ago

Read 2 more answers