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4 years ago

Can somebody help me with this problem

Mathematics

2 answers:

JulsSmile [24]4 years ago

8 0

The answer is B. Because when you add any two sides they are greater than the side that was not added.

Brrunno [24]4 years ago

7 0

B)

hope this helps!

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Which probability distribution table corresponds with this frequency distribution table

nlexa [21]

Answer:

$\begin{array}{cccccc}x&1&2&3&4&5\\f&0.2&0.3&0.05&0.2&0.25\end{array}$

Step-by-step explanation:

First find the sum

$\sum f=4+6+1+4+5=20.$

Now, find the probabilities:

$Pr(x=1)=\dfrac{4}{20}=\dfrac{1}{5}=0.2;$
$Pr(x=2)=\dfrac{6}{20}=\dfrac{3}{10}=0.3;$
$Pr(x=3)=\dfrac{1}{20}=0.05;$
$Pr(x=4)=\dfrac{4}{20}=\dfrac{1}{5}=0.2;$
$Pr(x=5)=\dfrac{5}{20}=\dfrac{1}{4}=0.25.$

Hence, the frequency distribution table is

$\begin{array}{cccccc}x&1&2&3&4&5\\f&0.2&0.3&0.05&0.2&0.25\end{array}$

4 0

3 years ago

After arranging the terms in descending powers of a variable, select the opposite of the polynomial.

kondaur [170]

Answer: -4n3+12n2+7n-9

Step-by-step explanation: it basically the opposite sign (positive or negative) switched, and the order backwards. hope that helped

6 0

3 years ago

50 points for answer.

noname [10]

Answer:

Point C: (4, 0)

Step-by-step explanation:

Parallelograms are quadrilaterals with two pairs of parallel sides, this means they will have the same slope between two line segments.

point slope form between two points: y - y1 = m (x - x1)

point A (2, 6) and D (4,4):

slope: point form, 6 - 4 = m(2 - 4)

2 = -2m

m (slope) = $\frac {2}{-2}$ = $\frac {Change in X position}{ Change in Y position}$

now that you know the change in position, apply this to vertice B to get the position of the final vertice.

B(2, 2)

C (2 +2, 2-2) = C(4, 0)

The final position of C vertice for parrallelogram A(2,6), B(2,2), D(4,4) will be C(4,0)

5 0

3 years ago

Read 2 more answers

Jade and Eros practice piano over the weekend.

skad [1K]

50 minutes - 20 minutes = 30 minutes. Eros practiced for 30 more minutes than Jade.

4 0

4 years ago

Two smaller triangle have areas of 75 m square and 12 m squared. find the ratio of their perimeters

Paul [167]

we know that two similar triangles will have ratio corresponding side is same.

ratio triangle 1 is 75m^2.

and triangle 2 is 12m^2.

$75:12=\frac{75}{12} =\frac{25}{4} .$

so we have ratio of area $25:4$ .

ratio of perimeter will be $\frac{25}{4} =\frac{50}{8} =\frac{25}{12}$ .

from these perimeter ratio also $\frac{25}{4} =25:4$ .

5 0

3 years ago