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3 years ago

Express your answer in scientific notation.

Mathematics

1 answer:

Effectus [21]3 years ago

7 0

B. 1.05×10^-14. CHECK: .000035×.0 000000003=.0000000000000105

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Find the unknow side of the right triangle 2. b=73.6 cm b= 19.0

shusha [124]

Assumed 73.6cm is the hypotenuse.

$a^{2} + b^{2} = c^{2}$
$19^{2} + b^{2} = 73.6^{2}$
$b^{2}$ = $73.6^{2} -19^{2}$
$b^{2}$ = $5055.96$
$b$ = $71.1$

Assumed 73.6cm is not the hypotenuse.
$a^{2} + b^{2} = c^{2}$
$19^{2} + 73.6^{2} = c^{2}$
$c^{2}$ = $73.6^{2} +19^{2}$
$c^{2}$ = $5777.96$
$c$ = $76.0$

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3 years ago

Select the correct answer.<br> Which function has a zero with a multiplicity of 2?

scZoUnD [109]

Answer:

wha?

Step-by-step explanation:

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3 years ago

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National Textile installed a new textile machine in one of its factories at a cost of $250,000. The machine is depreciated linea

kirill115 [55]

Answer:

The required expression is $y=250,000-24,000 t$

Step-by-step explanation:

Consider the provided information.

National Textile installed a new textile machine in one of its factories at a cost of $250,000.

That means for 0 year the cost of the machine is $250,000.

This can be written as: (0, 250,000)

Over 10 years with a scrap value of $10,000

That means for 10 year the cost of the machine is $10,000.

This can be written as: (10, 10,000)

Now first find the rate of change:

Rate of change=m= $\frac{Rise}{Run}=\frac{10,000-250,000}{10-0}$

Rate of change=m= $\frac{Rise}{Run}=\frac{-240,000}{10}$

Rate of change=m= $\frac{Rise}{Run}=-24,000$

Now use the point-slope form of an equation of a line with the point (0, 250,000), we can find the required expression.

$(y-250,000)=-24,000(t-0)$

$y-250,000=-24,000 t$

$y=250,000-24,000 t$

Hence, the required expression is $y=250,000-24,000 t$

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3 years ago

Given z=-4-6i<br> Write down the conjugate of z

maks197457 [2]

Answer:

z = -4 + 6i

Step-by-step explanation:

A math conjugate is formed by changing the sign between two terms in a binomial. For instance, the conjugate of x+y is x−y . We can also say that x+y is a conjugate of x−y . In other words, the two binomials are conjugates of each other.

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3 years ago

Imagine two lines intersect. How can the properties of linear pairs and vertical angles help to determine the angle measures cre

Vikentia [17]

Answer:When two lines intersect they form two pairs of opposite angles, A + C and B + D. Another word for opposite angles are vertical angles. Vertical angles are always congruent, which means that they are equal. Adjacent angles are angles that come out of the same vertex.

here you go

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2 years ago

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