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torisob [31]
4 years ago
5

Solve the inequality -4x + 5 > 21​

Mathematics
2 answers:
ira [324]4 years ago
5 0

Answer:

x < -4

Step-by-step explanation:

-4x+5>21\\\\-4x+5-5>21-5\\\\-4x>16\\\\\frac{-4x>16}{-4}\\\\ \boxed{x

Hope this helps.

nordsb [41]4 years ago
4 0

Answer:

x < -4

Step-by-step explanation:

Step 1: Write inequality

-4x + 5 > 21

Step 2: Solve for <em>x</em>

  1. <u>Subtract 5 on both sides:</u> -4x > 16
  2. <u>Divide both sides by -4:</u> x < -4
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The pyramid of khagra,in Egypt,is 488 feet tall. The Eiffel Tower,in France,is 1,063 feet tall. How much taller is the Eiffel To
steposvetlana [31]

Answer:

The Eiffel Tower in France is 575 feet taller than pyramid of khagra.          

Step-by-step explanation:

We are given the following in the question:

Height of pyramid of khagra = 488 feet

Height of Eiffel Tower in France = 1,063 feet

Difference in height =

= Height of Eiffel Tower in France - Height of pyramid of khagra

=1063 - 488\\= 575\text{ feet}

Thus, the Eiffel Tower in France is 575 feet taller than pyramid of khagra.

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3 years ago
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3 years ago
W is greater than -1 and less than or equal to 4<br> Use a only once in your inequality.
Mice21 [21]

Answer:

-1 + w ≤ 4

Step-by-step explanation:

w is greater than -1 = -1 + w

Less than or equal to 4 = (anything less than or equal to 4)≤4

7 0
3 years ago
Read 2 more answers
-8x^2+4x+5=0 using quadratic formula
daser333 [38]
So you want to solve for x?

It would be nice if this would easily factor:
(-4x + 5)(2x +1)  = 0    This will not work!

So you need to use the quadratic formula:
a = -8, b = 4, c = 5

x = \frac{-b+/-  \sqrt{b^{2}-4ac} }{2a}

x = (-4 +/- \sqrt{16-4(-8)(5)})/2(-8)
   = (-4 +/- \sqrt{16 + 160})/-16
   = (-4 +\sqrt{176})/-16
   = 1/4 - \sqrt{11}/4

6 0
3 years ago
URGENTTT<br><br><br> 3+3 x 7^2 - 9 x 10
charle [14.2K]

Answer: 60

Step-by-step explanation:

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