2 years ago

What is the LCD of -3/14 and 1/10 is ?

Mathematics

1 answer:

White raven [17]2 years ago

8 0

The least common denominator is 70 because both 14 and 10 go into 70.

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What is the circumference of a circle that has the radius of 3cm

dexar [7]

Step-by-step explanation:

Circumference of a circle is 2piR

Here R is 3 cm

So C=2pi(3)

C=6pi cm

5 0

2 years ago

X + x/3 = 4/9<br> solve for x!!

Lorico [155]

Answer:

x=1/3

Step-by-step explanation:

6 0

1 year ago

(x^2y^3) = (xy^a)^b

Rainbow [258]

Answer:

C. $\frac{3}{2}$

Step-by-step explanation:

To find the value f b, we need to compare the exponents.

The given exponential equation is:

$( {x}^{2} {y}^{3} )^{3} = ( {x} {y}^{a} )^{b}$

Recall and apply the following rule of exponents.

$( {x}^{m} )^{n} = {x}^{mn}$

We apply this rule on both sides to get:

${x}^{2 \times 3} {y}^{3 \times 3} = {x}^{b} {y}^{ab}$

Simplify the exponents on the left.

${x}^{6} {y}^{9} = {x}^{b} {y}^{ab}$

Comparing exponents of the same variables on both sides,

$b = 6 \: and \:\: ab = 9$

$\implies \: 6b = 9$

Divide both sides by 6.

$b = \frac{9}{6}$

$b = \frac{3}{2}$

4 0

2 years ago

Evaluate the function.<br> f(x) = -2x2 + 7<br> Find f(-5)

Alla [95]

-2(-5)^2 + 7
-2 • 5^2 + 7
-2 • 25 + 7
-50 + 7
-43

6 0

2 years ago

How do I work out -5(-8)

slava [35]

You have to simplify like this (-5)(-8)=40

5 0

2 years ago

Read 2 more answers