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Natali [406]
3 years ago
14

Which expression is equivalent to −4.5+(−5.5)+(−3.1) ?

Mathematics
2 answers:
qwelly [4]3 years ago
6 0
I believe the answer to this question is A(:
Alexxandr [17]3 years ago
6 0

Answer:

i think the answer is also A

Step-by-step explanation:


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The NCAA basketball tournament begins with 64 teams, and after each round, half the teams are eliminated. The number of remainin
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T divided by 2after each round
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3 years ago
Two sections took the same vocabulary qui. Use the 5-number summary 20,30 35 45 80) to construct a boxplot for Section and use t
gulaghasi [49]

Answer:

C. There are the same number of scores in Section and Section

Step-by-step explanation:

The median of section I is greater than the median of section L. Median is the middle value or midpoint in the data set. In the given quiz the data set has different numbers for every section and therefore the values are not same. The data set has 75% of scores in section il which is higher than the section L.

7 0
3 years ago
A jet travels 560 miles in 5 hours. At this rate, how far could the jet fly in 9 hours? What is the rate of the speed of the jet
leonid [27]

Answer:

1,008

Step-by-step explanation:

560/5 * x/9

x=1,008

3 0
3 years ago
Read 2 more answers
What is the value of b for the following circle in general form? x2 + y2 + ax +by+c=0​
liberstina [14]

Answer:

Step-by-step explanation:

<u><em>(1).</em></u> (x - <em>h</em>)² + (y - <em>k</em>)² = <em>r</em>²

where <em>(h, k)</em> are coordinates of a center of the circle with radius <em>r</em>

<u><em>(2).</em></u> ( a ± b )² = a² ± 2ab + b²

~~~~~~~~~~~~~~

( 1 , - 2 ) ; r = 3

( x - 1 )² + ( y + 2 )² = 3²

x² - 2x + 1 + y² + 4y + 4 = 9

x² + y² - 2x + 4y - 4 = 0

a = - 2

b = 4

c = - 4

7 0
2 years ago
Anyone know this I need help
horrorfan [7]

Answer:

option D

Step-by-step explanation:

we have a right triangle

we know

c^2=a^2+b^2

c=hypotenuse

c=52 cm

a=48 cm

b= 20 cm

we  substitute in the equation c^2=a^a+b^2

so we have

52^2=48^2+20^2

52= sqrt(48^2+20^2)

52= sqrt(2304+400)

52= sqrt(2704)

52cm=52cm

so c=52 cm

so the option D is the correct answer

7 0
3 years ago
Read 2 more answers
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