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3 years ago

The Sum Of

Mathematics

1 answer:

Talja [164]3 years ago

6 0

Answer:

please right it properly in a straight line.

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If ab= 1 , bc = -9, c =-b and c < -a, what is the value a + b ?

MaRussiya [10]

1/3+3

Ab=1
-b^²=-9
B=3
A=1/3
a+b=1/3+3

Mark brainliest please

7 0

3 years ago

the radius of the curvature is 10ft and the height of the segment is 2ft whatthe length of the chord ? a.10ft, b.15, c.7.5 ,d.12

arsen [322]

Radius of curvature = 10'
Diameter of circle = 2 * 10' = 20'
height of segment = 2'
Let semi-chord be x.
Then by the intersecting chord property,
2*(20-2)=x^2
x^2=36
x=sqrt(36)=6
=>
chord=2x=2*6=12'

3 0

3 years ago

Naomi's fish is 40 millimeters long. Her guinea pig is 25 centimeters long.

user100 [1]

Answer:

21cm

Step-by-step explanation:

Solution,

Length of fish=40mm=40/10=4cm

Length of pig=25cm

Now,

Difference of their length=25cm-4cm=21cm

Hence,the pig is 21cm long than the fish

5 0

3 years ago

Classify the real number. <img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B15%7D%20" id="TexFormula1" title=" \sqrt{15} " alt="

lilavasa [31]

Answer:

<h2>Irrational </h2>

Step-by-step explanation:

Firstly, 

According to rational and irrational,

$\sqrt{15} \: is \: irrational$

Since,

Natural numbers, Whole Numbers and Integers all come under Rational number.

Hence,

 $\sqrt{15}$ 

Is an irrational number. 

5 0

3 years ago

Find the probability for choosing a letter at random from the word: PROBABILITY

kicyunya [14]

1/11
1/11
1/11
1/11
1/11

3 0

3 years ago