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Roman55 [17]
3 years ago
8

Solve −4 = −(−k − 86)+10

Mathematics
2 answers:
Nata [24]3 years ago
5 0

The first step -4=k-86-10 second- k-76=-4 third step 76-4= 72 substitute 72 in for k  72-76= -4 this is true
kvasek [131]3 years ago
3 0
K= 100
 
You use distributive property 
<span>
Step 1: </span><span>−(−k)−1(−86)+10=−4

Step 2: </span><span>k−1(−86)+10=−4

Step 3: </span><span>k+86+10=−4

Step 4: </span><span>k+96=−4

Step 5:  </span><span>k=−96−4

Step 6:  </span><span>Subtract </span>4<span> from </span><span>−96</span><span> to get </span><span><span><span>−100</span>.</span></span>
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3 years ago
Solve for x. <br> 3x+7 = -x-1
alekssr [168]

Answer: x = -2


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4 0
3 years ago
The yummy ice cream company wants to package ice cream in cylindrical containers that have a volume of 5453 cubic centimeters. T
Aneli [31]

Answer:

17.4 (3 Significant numbers)

Step-by-step explanation:

Formula for finding Cylinder : π r² h

So your 5453 = π x (20cm ÷ 2)² x height

To get height (tallness), divide 5453 by (100π)

Depending on your π, your answer should be either, 17.366 / 17.35 / 17.357 which all rounds up to 17.4 if your question asks for 3 significant figures

8 0
3 years ago
Is 30 x 10 to the 4th power equal 3,000,000
garri49 [273]
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The answer would then be...
30×10^5
Hope this helps!
7 0
3 years ago
Assume that y varies inversely with x. If y= 1.6 when x= 0.5, find x when y= 3.2
solniwko [45]

Answer:

x = 0.25

Step-by-step explanation:

If y varies inversely with x, then:

y \propto \dfrac{1}{x} \implies y=\dfrac{k}{x} \quad \textsf{(for some constant k)}

Given:

  • y = 1.6 when x = 0.5

Substitute the given values into the found equation and solve for k:

\implies 1.6=\dfrac{k}{0.5}

\implies k=1.6(0.5)

\implies k=0.8

Therefore:

y=\dfrac{0.8}{x}

To find the value of x when y = 3.2, substitute y = 3.2 into the found equation and solve for x:

\implies 3.2=\dfrac{0.8}{x}

\implies x=\dfrac{0.8}{3.2}

\implies x=0.25

4 0
2 years ago
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