What value of x makes the equation 3(x−6)−8x=−2+5(2x+1) true?

Answers

Answer 1

Answer:

Answer:

$3(x - 6) - 8x = - 2 + 5(2x + 1) \n 3x - 18 - 8x + 2 - 10x - 5 = 0 \n = > - 15x - 21 = 0 = > - 15x = 21 = > x = - (7)/(5)$

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HOME Realty claims that it can sell a detached, residential house faster than any other realty company. With the aim of examining HOME's claim, you sample 20 customers who sold a detached, residential house through HOME and record the selling times (in days) of the houses. Your data are summarized below:Selling Time Frequency
0 10 3
10 20 4
20 30 6
30 40 4
40 50 3

Find the proportion of selling times in the sample that are less than 20 days claims that it can sell a detached, residential house faster than any other realty company.

Answers

Answer:

0.35

Step-by-step explanation:

Given the data:

Selling Time___ Frequency

0 10____________3

10 20__________ 4

20 30__________ 6

30 40__________ 4

40 50__________ 3

Proportion of selling time in sample above that are less Than 20 days :

Taking the sum of the frequency :

Hence, total frequency = (3 + 4 + 6 + 4 + 3) = 20

Selling time which is less Than 20 days :

(0 - 10) = 3

(10 - 20) = 4

Total = (3 + 4) = 7

Proportion = selling time less Than 20 days / total frequency

= 7 / 20

= 0.35

Slope of (10, 7) and (1, 14)

Answers

Answer:

-7/9

Step-by-step explanation:

Answer:

-7/9

Step-by-step explanation:

formula: y2-y1/x2-x1

14-7/1-10=

7/-9

Help!!!

prove triangle PAB is an equilateral triangle

HELP PLEASEE

Answers

Answer:

If three sides of a triangle are equal and the measure of all three angles is equal to 60 degrees then the triangle is an equilateral triangle. Therefore it is an equilateral triangle.

In ∆PAM and ∆PBM

$\because\pink{\sf\begin{cases} \sf AM=BM(Bisected\:by\:PM)\n \sf PA=PB(Given)\n \sf PM(Common\:side)\end{cases}}$

$\n \sf\longmapsto ∆PAM\cong ∆PBM(SSS)$

$\n \sf\longmapsto PA+AM=PB+BM$

Put AM =BM

$\n \sf\longmapsto PA+AM+AM=PB+BM+BM$

Put PA=PB

$\n \sf\longmapsto PA+AB=PB+AB$

Hence

∆APB is a equilateral triangle

Melissa collects data on her college graduating class. She finds out that of her classmates, 60% are brunettes, 20% have blue eyes, and 5% are brunettes that have blue eyes. What is the probability that one of Melissa's classmates will be a brunette or have blue eyes

Answers

The probability that one of Melissa's classmates will be a brunette or have blue eyes is 0.75.

What is probability?

Probability can be defined as the ratio of the number of favorable outcomes to the total number of outcomes of an event.

Here, given that,

60% are brunettes,

i.e. P(A)=0.6

20% have blue eyes,

i.e. P(B)=0.2

and 5% are brunettes that have blue eyes

i.e. P(A∪B)=0.05

So. P(A∩B)= P(A)+P(B)-P(A∪B)

=0.6+0.2-0.05

=0.75

Hence, the probability that one of Melissa's classmates will be a brunette or have blue eyes is 0.75.

To learn more on probability click:

brainly.com/question/11234923

#SPJ5

Answer:

Step-by-step explanation:

Solve the system by elimination:
36x-63y=7
-24x+42y=0

Answers

Answer:sorry I don't think itis possible with elimination method if it is possible you can post it in the comment section

Step-by-step explanation:

On a coordinate plane, a line goes through (0, negative 3) and (2, 2). A point is at (2, negative 3).Complete the statements about finding the equation of the line that is parallel to line n and passes through point (2, –3).

The slope of the graphed line is
.
The slope of the parallel line is
.
An equation that can be used to find the y-intercept of the parallel line is
.
The y-intercept of the parallel line is
.
The equation of the parallel line is
.