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3 years ago

5

When reflecting a line segment or shape it will change in size and shape if done correctly.True or False?

1 answer:

Karo-lina-s [1.5K]3 years ago

6 0

Answer:

False

Step-by-step explanation:

In mathematics, a reflection is a mapping from a Euclidean space to itself that is an isometry with a hyperplane as a set of fixed points; this set is called the axis or plane of reflection. The image of a figure by a reflection is its mirror image in the axis or plane of reflection.

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Been a while since I’ve needed to not use a calculator. Why is -2X10^-18 (3/16) = 4.09X10^-19?

Anestetic [448]

Answer:

see the explanation

Step-by-step explanation:

we have

$2.18*10^{-18}(\frac{3}{16})$

we have that

$\frac{3}{16}=0.1875$

Convert to scientific notation

$0.1875=1.875*10^{-1}$

substitute

$2.18*10^{-18}(1.875*10^{-1}})$

Remember that

To multiply two numbers in scientific notation, multiply their coefficients and add their exponents

$2.18*10^{-18}1.875*10^{-1}}=(2.18*1.875)*10^{(-18-1)}=4.0875*10^{-19}$

Round the number 4.0875 two decimal places

so

$4.0875*10^{-19}=4.09*10^{-19}$

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4 years ago

Round 0.506 the 0 is underlined.

Arturiano [62]

.51 is the answer...Hope this helps

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3 years ago

Sam needs to make a long-distance call from a pay phone. With his prepaid phone card, he will be charged $1.00 to connect and $0

Mademuasel [1]

Answer: The required system of equations representing the given situation is

$y=1+0.5x\\\\y=3+0.25x$

Step-by-step explanation: Given that Sam needs to make a long-distance call from a pay phone.

We are to write a system to represent the situation.

Let x represent the number of minutes Sam talked on the phone and y represents the total amount that he paid for the call.

According to the given information,

with prepaid phone card, Sam will be charged $1.00 to connect and $0.50 per minute.

So, the equation representing this situation is

$y=1+0.5x~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(i)$

Also, if Sam places a collect call with the operator he will be charged $3.00 to connect and $0.25 per minute.

So, the equation representing this situation is

$y=3+0.25x~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(ii)$

Thus, the required system of equations representing the given situation is

$y=1+0.5x\\\\y=3+0.25x$

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3 years ago

What is tan M for this triangle? Enter your answers in the boxes. <br> tan M= ?/?

Mamont248 [21]

Answer:

Tan (M) = m/p

Step-by-step explanation:

Tan (M) = Oppo. / Adj.

Tan (M) = m/p

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3 years ago

Equation in slope intercept form of the line that passes through the given points of (2,-5) and (-8,3)

Reika [66]

First find the slope: Y2-Y1/X2-X1 =-4/5 Then plug in 1 y coordinate and x coordinate to the equation: Y=mx+b Y=-4/5x +b Y=-4/5x-17/5

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3 years ago

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