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mihalych1998 [28]

3 years ago

11

A rectangle is a _____. square parallelogram quadrilateral rhombus

1 answer:

Nadusha1986 [10]3 years ago

3 0

Parallelogram as well as a quadrilateral with pairs of equal and parallel opposite sides

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A number cube is rolled 25 times. A number less than four comes up 20 times. What is the experimental probability that a number

laiz [17]

It would be 20 because the highest number is 25

4 0

3 years ago

Step by step what is 3a+4b+5a+6

Sedaia [141]

Hello!

Answer:⇒⇒⇒⇒⇒= $8a+4b+6$

Explanation:

↓↓↓↓↓↓↓↓↓↓↓↓

Group like terms:

↓↓↓↓↓↓↓↓↓↓↓↓↓↓

$=3a+5a+4b+6$

Add similar elements.

$=8a+4b+6$

Hope this helps!

Thank you for posting your question at here on brainly.

-Charlie

4 0

3 years ago

There were 12 cookies on plates. Think of all the possible ways to divide the 12 cookies evenly between playes

xenn [34]

6,6
2,2,2,2,2,2
3,3,3,3

6 0

3 years ago

T what point does the curve have maximum curvature? Y = 7ex (x, y) = what happens to the curvature as x → ∞? Κ(x) approaches as

Nookie1986 [14]

Formula for curvature for a well behaved curve y=f(x) is

K(x)= $\frac{|{y}''|}{[1+{y}'^2]^\frac{3}{2}}$

The given curve is y=7 $e^{x}$

${y}''=7e^{x}\\ {y}'=7e^{x}$

k(x)= $\frac{7e^{x}}{[{1+(7e^{x})^2}]^\frac{3}{2}}$

${k(x)}'=\frac{7(e^x)(1+49e^{2x})(49e^{2x}-\frac{1}{2})}{[1+49e^{2x}]^{3}}$

For Maxima or Minima

${k(x)}'=0$

$7(e^x)(1+49e^{2x})(98e^{2x}-1)=0$

→ $e^{x}=0∨ 1+49e^{2x}=0∨98e^{2x}-1=0$

$e^{x}=0 , ∧ 1+49e^{2x}=0$ [not possible ∵there exists no value of x satisfying these equation]

→ $98e^{2x}-1=0$

Solving this we get

x= $-\frac{1}{2}\ln{98}$

As you will evaluate ${k(x})}''$ <0 at x= $-\frac{1}{2}\ln98$

So this is the point of Maxima. we get y=7×1/√98=1/√2

(x,y)=[ $-\frac{1}{2}\ln98$ ,1/√2]

k(x)= $\lim_{x\to\infty } \frac{7e^{x}}{[{1+(7e^{x})^2}]^\frac{3}{2}}$

k(x)= $\frac{7}{\infty}$

k(x)=0

5 0

3 years ago

What is another way to write the number 75

nikdorinn [45]

7 tens and 5 ones? Which makes 75.

7 0

3 years ago

Read 2 more answers