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Nikolay [14]
3 years ago
14

Compare each whole number in the following pairs. Insert the symbol < or > to make the statement true. a. 15 _____ 8 b. 4

_____ 134 c. 3 _____ 5 d. 351 _____ 215 Replace each ? with the symbol = or ≠ to make the statement true. a. 54 ? 53 b. 8 ? 4 + 4 c. 23 + 6 ? 6 + 23 d. 64 ? 99 Compare the fraction by using the symbol < , <, or =. a. 4⁄9 _____ 5⁄9 b. 4⁄5 _____ 8⁄10 c. 7⁄12 _____ 7⁄15 d. 3⁄4 _____ 6⁄7 Compare the decimals by using the symbol < or >. a. 0.531 _____ 0.456 b. 0.63 _____ 0.47 c. 0.267 _____ 0.539 d. 0.07 _____ 0.7 In each of the following pairs of numbers, how much larger is the first number than the second? a. 154 and 27 b. 25 and 12 c. 135 and 127 d. 46 and 24 Phyllis has finally found the TV she wants to buy. At Store A, the TV costs $498. At Store B, the same style TV costs $425. How much will Phyllis save by buying the TV at Store B? Both Dale and Chan went running for an hour. Dale ran 5 miles and Chan ran 2.5 miles. How did Dale’s distance compare to Chan’s? (Use division to compare.) Compare the numbers in the following sequence and try to determine what the next number should be. 6, 9, 18, 21, 42, 45, ?
Mathematics
1 answer:
katrin2010 [14]3 years ago
3 0
Insert the symbol < or > to make the statement true.
a) >
b) <
c) <
d) >

Replace each ? with the symbol = or ≠ to make the statement true.
a) ≠
b) =
c) =
d) ≠
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What is the equation of the midline for the function f (x)?<br><br> f (t) = 3 cos (x) – 2.5
zaharov [31]

Answer:

  y = -2.5

Step-by-step explanation:

For such a problem as this, you can replace all sine or cosine functions with their midline value of 0. Then you have ...

  f(x) = 0 -2.5

which simplifies to ...

  f(x) = -2.5

You can leave the equation like this, or write it as ...

  y = -2.5

_____

Perhaps you can see that the midline is the value of any constant added to a sine or cosine function.

6 0
3 years ago
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AnnyKZ [126]

Answer: its not showing up

Step-by-step explanation:

5 0
3 years ago
Find the exact value of the given expression.<br> sin(2cos^-1(5/13))
xeze [42]

Answer:

+120/169 or -120/169

Step-by-step explanation:

  • let cos^{-1}[\frac{5}{13}  ] = \alpha

where, alpha is some angle that satisfies the assumed condition.

  • so, cos\alpha= 5/13

[ taking cos to the other side  or applying cos on both sides]

  • now, substitute this in the given expression
  • sin(2cos^-1(5/13)) = sin(2\alpha )

as sin\beta =  + or -\sqrt{1-(cos\beta) ^{2}

[by general trigonometry formula: cos^{2}[\beta]  +sin^{2}[\beta]=1]

so if  cos\alpha= 5/13, we can get sin\alpha from the above formula as + or - 12/13

(because, after taking square root on both sides we keep + or -]

  • as, sin2\beta  = 2*sin[\beta ]*cos[\beta ]

[by general trigonometry formula]

  • here, now sin[2\alpha ]=2*(+or- 12/13)*5/13\\

so, the final value can be 120/169 or -120/169.

4 0
3 years ago
Select all the correct answers.<br> Which statements are true about function g?
erica [24]

Answer:

i need the question

Step-by-step explanation:

8 0
2 years ago
Least to greatest -0.615,-5/8,0.62
evablogger [386]
1. Change the fraction to a decimal  0.625
2.Line up the decimals

incorrect       correct
-0.615           -0.615
 0.625            0.62
 0.62              0.625
8 0
3 years ago
Read 2 more answers
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