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r-ruslan [8.4K]
3 years ago
10

If h(x) =-2x-10 find h(-4)

Mathematics
2 answers:
Natasha2012 [34]3 years ago
7 0
Answer: -2
Explanation: the two negatives would cancel out each other and you will up with 8. then 8-10 is -2
soldier1979 [14.2K]3 years ago
6 0

don't get slipped up by f(x)! it just means y basically, and the number filled in for X, in this case -4, will go in the x spot! then just solve for H aka Y!

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What is the sum of 3.6x10to the 3rd power and 6.1x10 to the 3rdpower
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5 0
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Find y: 2y+(y+10)+50=180
LuckyWell [14K]
Simplifying
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10+50+y+2y=180

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3 years ago
Plz helppppp will add u as friend
elixir [45]

Answer:

y=1.44

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Order of Operations: BPEMDAS
  • Equality Properties

Step-by-step explanation:

<u>Step 1: Define</u>

<u />\frac{4.5}{y} =\frac{12.5}{4}<u />

<u />

<u>Step 2: Solve for </u><em><u>y</u></em>

  1. Cross-multiply:                    4(4.5) = 12.5y
  2. Multiply:                               18 = 12.5y
  3. Isolate <em>y</em>:                              1.44 = y
  4. Rewrite:                               y=1.44

<u>Step 3: Check</u>

<em>Plug in y to verify it's a solution.</em>

  1. Substitute:                    \frac{4.5}{1.44} =\frac{12.5}{4}
  2. Divide:                          3.125=3.125

Here, we see that 3.125 does indeed equal 3.125. ∴ y = 1.44 is a solution of the equation.

5 0
3 years ago
Read 2 more answers
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