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3 years ago

15

Explain how complex fractions can be used to solve problems involving ratios

2 answers:

sweet [91]3 years ago

7 0

By you thinking out your awnser to complex fractions you will get part of you ratios or the awnser to your ratios

VashaNatasha [74]3 years ago

4 0

Biologists study life at all levels of organization and complexity:Atoms
<span>Genes </span>
<span>Atoms </span>

<span>Molecules </span>
<span>Cells </span>
<span>Tissues </span>
<span>Organs </span>
<span>Organisms </span>
<span>Populations </span>
<span>Communities </span>
<span>Ecosystems </span>
<span>Earth </span>
<span>Solar Systems </span>
<span>Galaxies </span>

<span>They can also study specific things within those classifications, such as specific organs, the effects of pollution on ecosystems, etc.</span>

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The length of a rectangle is 2x + 6. Its width is 52. Find the value of ac if the perimeter is 138m².

Sergeeva-Olga [200]

Answer:

ac = 18.5

Step-by-step explanation:

perimeter of a rectangle = $2(l+b)$

= 138m^2= 2(2x + 6 ) + 52

= 4x + 12 + 52 = 138

= 4x + 64 = 138

= 4x = 138 - 64

= 4x = 74

= x = 74/4

= x = 18.5

8 0

2 years ago

The perimeter of parallelogram ABCD is 30 cm. AD is 3cm more than twice AB FIND THE LENGTH OF AB

Wittaler [7]

Answer:

4 cm

Step-by-step explanation:

Perimeter of a parallelogram is 2b+2h=30 where b is base and h is height.

if AD is 3cm more than twice AB, then it's 3+2x where x is length of AB.

Input this into the perimeter equation: 2(3+2x)+2(x)=30

Simplify to get 6+6x=30

x=24/6=4

Answer is 4 cm.

7 0

2 years ago

Convert 15°C to Fahrenheit. Use the formula F = 9/5C + 32.

viva [34]

The answer is A) 59

9/5(15)+32 =59

3 0

3 years ago

Read 2 more answers

What is the value of c in the equation below? StartFraction 5 Superscript 5 Baseline Over 5 squared EndFraction = a Superscript

maw [93]

Answer:

125

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers

Help please:Suppose that x and y inversely, and x=10 when y=8 write the function that models the inverse variation

jarptica [38.1K]

SOLUTION

From the question, we are told that y varies inversely as x

This is mathematically written as

$\begin{gathered} y\propto\frac{1}{x} \\ \propto\text{ is a sign of proportionality } \end{gathered}$

Now, we will remove the proportionality sign and replace it with equal to sign =

If we do this, we will intoduce a constant k

$\begin{gathered} y\propto\frac{1}{x} \\ y=k\times\frac{1}{x} \\ y=\frac{k}{x} \end{gathered}$

So we have the formula

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

We will substitute the values of x for 10 and y for 8 into the formula to get k, we have

$\begin{gathered} y=\frac{k}{x} \\ 8=\frac{k}{10} \\ k=8\times10 \\ k=80 \end{gathered}$

Now, we will substitute k for 80 back into the formula to get the inverse function, we have

$\begin{gathered} y=\frac{k}{x} \\ y=\frac{80}{x} \end{gathered}$

Hence the answer is option C

7 0

11 months ago