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3 years ago

Please help will mark brainlyist if right

Mathematics

1 answer:

Drupady [299]3 years ago

6 0

Use your brain. This should work.

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4x =40 what is x? I have no idea what x means

Bezzdna [24]

Answer:

x = 10

Step-by-step explanation:

To find x, you divide 40 by 4. 40 divided by 4 equals 10. So, x equals 10. Hope this helped!

6 0

4 years ago

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I need Help and I need it FAST!

alexandr1967 [171]

Answer:

Step-by-step explanation:

<h3>to understand this</h3><h3>you need to know about:</h3>

law of exponent
PEMDAS

<h3>tips and formulas:</h3>

${x}^{ - y} < = > \frac{1}{ {x}^{y} }$
$( {x} ^{z} )^{y} < = > {x}^{y \times z}$

<h3>let's solve:</h3>

$( {3}^{3} . {6}^{6} {)}^{ - 3}$

$\frac{1}{( {3}^{3}. {6}^{6} {)}^{3} }$

$\frac{1}{ {3}^{3 \times 3}. {6}^{6 \times 3} }$

4 0

3 years ago

Toby has already spent 22 minutes on the phone, and he expects to spend 2 more minutes with every phone call he routes. In all,

Scilla [17]

10.
42-22 is 20
20 minutes divided by 2 minutes is 10

4 0

3 years ago

Please help with these questions

AveGali [126]

5 ft.................

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3 years ago

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Find x when y = 32, given that x varies inversely as y, and x = 132 when y = 4.

gizmo_the_mogwai [7]

Answer:

When y=32, x=16.5

Step-by-step explanation:

Find x when y = 32, given that x varies inversely as y, and x = 132 when y = 4.

We are given:

x varies inversely with y

We can write it as: $x\:\alpha \:\frac{1}{y}$

$x=\frac{k}{y}$

We have x = 132, when y=4

We can find value of k by using these values

$x=\frac{k}{y}\\132=\frac{k}{4}\\k=132*4\\k=528$

We need to find x when y=32

$x=\frac{k}{y}\\x=\frac{528}{32}\\x=16.5$

So, when y=32, x=16.5

6 0

3 years ago