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natali 33 [55]
3 years ago
9

This is for my sis plz help her(im a nice older sis) 1. 23/40-11/30 answers(0, 1, 1/2)

Mathematics
1 answer:
Arte-miy333 [17]3 years ago
5 0

Answer: 23/40 - (11)/30

Step-by-step explanation:

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A.) 15.7in<br> B.) 31.4in<br> C.) 40in<br> D.) 62.8in
IrinaK [193]

Answer:

31.4 in

Step-by-step explanation:

This is a tricky question,

if you observe the shape carefully, you will notice that if you mirror (flip outward) each curve surface of each quardrant, what you will end up with is a complete circle with a radius of 5 inches.

Hence the combined length of all the curved surfaces is simply the circumference of the circle, given by:

Circumference = 2πr

= 2 x 3.14 x 5

= 31.4 in

4 0
2 years ago
Read 2 more answers
Lauren deposited $3,000 into a savings account with an annual interest rate of 0.75%. She made no deposits or withdrawals for 3
Dennis_Churaev [7]
The upper one is correct. Because 0,75% = 0,0075 ( :10) and since the interest rate is positive it has to be 1 + ...
5 0
2 years ago
2(4x-1)+3=7<br> i'm little confused on this
Ratling [72]

Answer:

x = \frac{3}{4}

Step-by-step explanation:

Since you cannot subtract -1 from 4x, you multiply 2 × 4x = 8x

Now, you have 8x - 1 + 3 = 7

Seperate the 8x from the other numbers

8x = 1 - 3 + 7 ---> 6

8x = 6

Now simplify

x = \frac{6}{8}  <----- to reduce, divide the numerator and denominator by 2

Hence,

x =  \frac{3}{4}

4 0
3 years ago
Compare the fractions. 4/7 1/6.<br> a. &gt;<br> b. =<br> c.
BabaBlast [244]
To start with, write both fractions with same denominator, i.e LCM of 6 and 7
Thus,
4/7=24/42

1/6=7/42
This means 4/7 is greater than 1/6
The answer is thus a
4 0
3 years ago
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Determine whether it’s always, never, or sometimes true. <br> I put never true. Is that right?
DiKsa [7]

Answer:

yes the answer is never true

Step-by-step explanation:

as the correct answer is

\sqrt{2x}

4 0
3 years ago
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