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slamgirl [31]
3 years ago
5

What is the length of PC?

Mathematics
1 answer:
marshall27 [118]3 years ago
7 0
<span>31 trillion kilometers or 19 trillion miles.</span>
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I need help fast!!!! 20 points and brainliest to whoever gets it right
Alexandra [31]

Answer:

rational numbers - 5.01212121212..., -5/250, √400

irrational numbers - √1000, ∛30, 0.01562138411...

Explanation:

rational numbers are any numbers that can be expressed as a ratio. whole numbers and integers are also counted as rational numbers.

5.01212121212... is a recurring number, which means that it can be written as a fraction. therefore, it is a rational number.

√1000 cannot be expressed as a fraction, which makes it an irrational number.

∛30 cannot be expressed as a fraction, so it is irrational.

-5/250 is a fraction, making it a rational number.

0.01562138411..., also cannot be expressed as a fraction since it is a non-terminating number. it is irrational.

√400 = 20, which is a whole number, thus it is rational.

i hope this helps! :D feel free to comment if you need to ask me anything.

3 0
3 years ago
Read 2 more answers
25 POINTS!!!! PLEASE HELP! What kind of problem is this and how do I solve it? PLEASE HELP ASAP
Elan Coil [88]

Answer:

see explanation

Step-by-step explanation:

To solve the given quadratic equations, equate to zero, factorise and solve

given

x² - 19x + 48 = 0

Consider the factors of the constant term (+ 48) which sum to give the coefficient of the x- term (- 19)

The required factors are - 3 and - 16, hence

(x - 3)(x - 16) = 0

equate each factor to zero and solve for x

x - 3 = 0 ⇒ x = 3

x - 16 = 0 ⇒ x = 16

----------------------------------------------------------------

given

x² + 21x - 100 = 0

Consider the factors of the constant term (- 100) which sum to give the coefficient of the x- term (+ 21)

The required factors are + 25 and - 4, hence

(x + 25)(x - 4) = 0

x + 25 = 0 ⇒ x = - 25

x - 4 = 0 ⇒ x = 4


4 0
3 years ago
Simplify the expression <br> 49<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B1%7D%7B2%7D%20" id="TexFormula1" title=" \frac{1}{
dimaraw [331]
To convert a mixed fraction into an improper fraction:

a\frac{b}{c} =\frac{(a\cdot c)+b}{c}

49 \frac{1}{2} = \frac{(49\cdot 2)+1}{2} = \frac{98 +1}{2} = \boxed{\bf{\frac{99}{2}}}
8 0
3 years ago
write three ratios that are equivalent to the one given:the ratio of right of right-handed students to left-handed students is 1
laila [671]
The three ratios that is equal to 18:4 are

9 : 2 if you divide 18 and 4 by 2
36 : 8 if you multiply 18 and 4 by 2
54 : 12 if you multiply 18 and 4 by 3

Hope this helps!!
7 0
3 years ago
Read 2 more answers
What is the effect on the graph of y=-2x+7 if the slope changes to 2
Tatiana [17]
In y=-2x+7 the graph will rise from right to left while in y=2x+7 the graph will rise from left to right. Which gives us in conclusion of the slope is negative the graph line will rise from right to left and if positive then left to right
3 0
2 years ago
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