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sergiy2304 [10]
3 years ago
9

Which statement about the data in the table shown is true?

Mathematics
1 answer:
nalin [4]3 years ago
5 0

Answer:

i would say B.. sorry of its not the right one..

Step-by-step explanation:

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Kayla got 3 out of the 60 questions in her review packet incorrect. What percent of the questions did she get incorrect?
Akimi4 [234]

Answer:

5 %

Step-by-step explanation:

3/60 x 100% = 5 %

7 0
2 years ago
Read 2 more answers
3+5=5+ 3•5=5•2+(-2)=0TRUE OR FALSE ? ( for all three of them )
Savatey [412]

Take into account that commutative property is present for addition and multiplication operations, then, you have:

3+5=5+3 TRUE

3·5 = 5·3 TRUE

The inverse addition of a number consists in adding the same numbers but with opposite signs, then, you have:

2 + (-2) = 0 TRUE

7 0
1 year ago
A group of 266 persons consist of men , women and children and there are four times as many men as children and twice as many wo
klasskru [66]

Answer:

see explanation

Step-by-step explanation:

Let c represent the number of children, then

number of men = 4c and number of women = 2c

Sum the numbers of each and equate to 266

4c + 2c + c = 266, that is

7c = 266 ( divide both sides by 7 )

c = 38

Thus

4 × 38 = 152 and 2 × 38 = 76

The group consists of 38 children, 152 men and 76 women

3 0
3 years ago
Find a complex number a+ ????????????????, with aand ???????? positive real numbers, such that (a+ ????????????????)3 = i.
stepan [7]

Answer:

The complex number is 0+i/3.

Step-by-step explanation:

Let the imaginary part be x.

The complex number will be a+xi

Given:

real part =a

(a+xi)*3=i...............(i)

To find:

imaginary part

Solution:

3a + 3xi=i.............(ii)

Comparing real and imaginary parts of eq(ii).

3a=0  and 3x=1

a=0

x=1/3.

6 0
3 years ago
The time required for an outlet pipe to an empty a tank is inversely proportional to the cross-sectional area of the pipe. A pip
NNADVOKAT [17]
\bf \qquad \qquad \textit{inverse proportional variation}
\\\\
\textit{\underline{y} varies inversely with \underline{x}}\qquad \qquad  y=\cfrac{k}{x}\impliedby 
\begin{array}{llll}
k=constant\ of\\
\qquad  variation
\end{array}\\\\
-------------------------------

\bf \stackrel{\textit{\underline{t}ime to empty a tank is inversely proportional to \underline{c}ross-sectional area}}{t=\cfrac{k}{c}}
\\\\\\
\textit{we also know that }
\begin{cases}
c=113.0\\
t=6.4
\end{cases}\implies 6.4=\cfrac{k}{113}\implies 723.2=k
\\\\\\
therefore\qquad \boxed{t=\cfrac{723.2}{c}}
\\\\\\
\textit{when c = 50.25, what is \underline{t}?}\qquad t=\cfrac{723.2}{50.25}\implies t\approx 14.3920398
5 0
3 years ago
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