3 years ago

X divided by 6 is 4. What is Z?

Mathematics

1 answer:

viktelen [127]3 years ago

6 0

Answer:

this is so hard

Step-by-step explanation:

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2/3 of a class is girls<br>a) What is the ratio girls to boys in the class?

Mice21 [21]

Answer:

3:2

Step-by-step explanation:

2 boys for every 3 girls

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3 years ago

Find x helpppppppppppp

lidiya [134]

$|2x - 1| = | - x - 2|$

Thus ;

$2x - 1 = - x - 2$

Add both sides x

$2x + x - 1 = - x + x - 2$

$3x - 1 = - 2$

Add both sides 1

$3x - 1 + 1 = - 2 + 1$

$3x = - 1$

Divide both sides by 3

$\frac{3x}{3} = \frac{ - 1}{3} \\$

$x = - \frac{1}{3} \\$

$2x - 1 = - ( - x - 2)$

$2x - 1 = x + 2$

Subtract both sides x

$2x - x - 1 = x - x + 2$

$x - 1 = 2$

Add both sides 1

$x - 1 + 1 = 2 + 1$

$x = 3$

There u go ...

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2 years ago

Sin(-x)= -cos x for all values of x. True or false

kogti [31]

Answer:

That's incorrect. The simplest way to show this is by evaluating the functions at a given point. Let's say x=0, then:

Sin(-x) = Sin(0) = 0

-cos x = -cos (0) = -1

Therefore, Sin(-x)≠-cos x.

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3 years ago

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There are 100 pennies in a dollar. What fraction of a dollar is 61 pennies? Write it as a fraction, as a decimal,and in word for

Solnce55 [7]

Answer:

61/100 .61 sixty one cents

Step-by-step explanation:

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1.8(b - 5.3) - 4.2=5.8(b -2.3. What is the value of b

horrorfan [7]

Answer:

b= -0.1

Step-by-step explanation:

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3 years ago