HELP HELP FIRST PERSON TO ANSWER GETS BRAINLIEST

Answer:

x = 30

Step-by-step explanation:

correct me if i am wrong but i think you have to

a.) change the denominator's to be the same :

ten is a common denominator therefore you times the second expression by two ( x/5 becomes 2x/10 )

b.) put the formula back together :

3x/10 + 2x/10 = 15

5x/10 = 15

5x = 150

x = 30

Answer:

thats about like ummm 69?

Step-by-step explanation:

Answer:

70°

Step-by-step explanation:

[tex] m\widehat {BC} = 90\degree - m\widehat {CD} [/tex]

[tex] m\widehat {BC} = 90\degree -20\degree [/tex]

[tex] m\widehat {BC} = 70\degree [/tex]

Answer:

A) image is being doubled in size in A

Step-by-step explanation:

B and C are rotations

D is a translation

Answer:

x = 13

Step-by-step explanation:

This question is based on Secant Secant theorem.

Secant Secant theorem gives us the following formula:

(AB + BD)AB = (AC + CE).AC

From the above question we have the following parameters

AB = 5

BD = x

AC = 7.5

CE = 4.5

Hence,

(AB + BD)AB = (AC + CE).AC

(5 + x)5 = (7.5 + 4.5)7.5

25 + 5x = 90

Collect like terms

5x = 90 - 25

5x = 65

x = 65/5

x = 13

The total number of games a girl play against a boy is 25, the number of games a girl plays against a boy is 10, the fraction of the games are boy-versus-boy is 2/9, and 1/5 fraction of all games at the tournament Anita plays the game.

We have given that,

Of the 10 kids in a chess club, 5 are left-handed and 5 are right-handed.

A permutation can be defined as the number of ways a set can be arranged, order matters but in combination, the order does not matter.

We have 5 girls and 5 boys in a chess club:

There are a total of 5×5 games girls play against a boy.

= 5×5

= 25

The number of games a girl play against another.

It is a combination problem so the total number of games:

= 10

A fraction of the games are boy-versus-boy:

The number games boy-versus-boy = 10

The number games Boy vs Boy & Girl vs Girl & Boy vs Girl

= 10+10+25

=  45

So the fraction = 10/45 ⇒ 2/9

If Anita is one of the club members then Anita will have to play against 9 people at the tournament.

Total number of games = 45

Then the fraction = 9/45 ⇒ 1/5

Thus, the total number of games a girl play against a boy is 25, the number of games a girl plays against a boy is 10, the fraction of the games are boy-versus-boy is 2/9, and 1/5 fraction of all games at the tournament Anita play the game.

To learn more about combination visit:

brainly.com/question/4546043

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Answer:

The base is 9 units and the height is 4 units.

Step-by-step explanation:

Answer:

I think I just posted that last time. Check my timeline

Answer:

2.74feet

Step-by-step explanation:

Since we are not told what to find, we can find the height of the plywood

Given the following

length of ramp = 8feet

angle of elevation = 20degrees

Required

Height of the plywood

Using the SOH CAH TOA identity

Sin theta = opposite/hypotenuse

Sin 20 = H/8

H = 8sin20

H = 8(0.3420)

H = 2.74 feet

Hence the height of the plywood is 2.74feet

Answer:

B

Step-by-step explanation:

Have a good day :)

Answer: I think D.

Step-by-step explanation:

Answer:

perimeter = 10m - 5 + 6m - 2 + 8n + 4

                = 16m -7 + 8n + 4

                 16m + 8n -3

option 2

The expression represents the perimeter of the triangle will be 16m + 8n - 3. Then the correct option is B.

A triangle is a three-sided polygon with three angles. The angles of the triangle add up to 180 degrees.

The sum of all the sides of the triangle will be known as the perimeter of the triangle.

A triangle has side lengths of (10m - 5) centimeters, (6m - 2) centimeters, and (8n + 4) centimeters.

The expression represents the perimeter of the triangle will be

P = (10m - 5) + (8n + 4) + (6m - 2)

P = 16m + 8n - 3

The expression represents the perimeter of the triangle will be 16m + 8n - 3. Then the correct option is B.

More about the triangle link is given below.

https://brainly.com/question/25813512

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Answer:

dddddStep-by-step explanation:

Answer: [tex]y=8x-25[/tex]

Step-by-step explanation:

Given

Line passes through [tex](3,-1)\ \text{ and}\ (4,7)[/tex]

Equation of line when it passes through two points [tex](x_1,y_1),(x_2,y_2)[/tex]

[tex]\Rightarrow \dfrac{y_2-y_1}{x_2-x_1}=\dfrac{y-y_1}{x-x_1}[/tex]

Insert the values

[tex]\Rightarrow \dfrac{7+1}{4-3}=\dfrac{y+1}{x-3}\\\\\Rightarrow \dfrac{8}{1}=\dfrac{y+1}{x-3}\\\\\Rightarrow 8x-24=y+1\\\Rightarrow y=8x-25[/tex]  

Answer:

8x-25

Step-by-step explanation:

:O thats ez

Answer:

y = -5/4 x - 3   is the slope-intercept form

5x + 4y = -12    is the standard form

Step-by-step explanation:

Use the point-slope form:  [tex]y - y_{1} = m(x - x_{1})[/tex]

[tex](x_{1}, y_{1})[/tex] = (-4, 2)

y - 2 = -5/4(x + 4)       Multiply by 4 to remove the fraction

4y - 8 = -5(x + 4)

4y - 8 = -5x - 20

4y = -5x - 12

y = -5/4 x - 3   is the slope-intercept form

5x + 4y = -12    is the standard form

Answer:

y/3

Step-by-step explanation:

According to the conditions :

y + y/3 - x = y

y + y/3 - y = x

(3y + y - 3y )/3 = x

y/3 = x

Answer:

[tex]\frac{3}{12}[/tex]

Step-by-step explanation:

Create an equation and solve for x:

[tex]y + \frac{1}{3} y = \frac{4}{3} y\\\frac{4}{3}y - x(\frac{4}{3}y) = y\\x = \frac{3}{12}[/tex]

Answer:

A) $1,050

B) $6,050

Step-by-step explanation:

We solve using the Simple Interest formula

Simple Interest (I) = Principal × Rate × Time

From that above question, we have the parameters

Principal = $5000

Rate = 3.5 % = 0.035

Time = 6 years

A) How much will he have to pay for the interest?

Hence,

Interest = $5,000 × 0.035 × 6

= $1,050

Therefore, the amount of interest he will have to pay is $1,050

B) How much will he have to pay total?

The amount he will have to pay in contact =

Principal + Interest paid on loan

= $5,000 + $1,050

= $6,050

Answer:

a)  [tex]P(10)=0.2061[/tex]

b)  [tex]P(9\ or\ 12)=0.3172[/tex]

c)  [tex]P(X>10)=0.51545[/tex]

Step-by-step explanation:

From the question we are told that:

Probability of Same day resolution [tex]P=70\%=>0.7[/tex]

Probability of Another day resolution [tex]Q=1-P=>30%=>0.3[/tex]

Sample size [tex]n=15[/tex]

a)

Generally the equation for Probability 10 of the problems can be resolved today is mathematically given by

Since

 [tex]P(X)=^{n}C_{x}*p^{x}*Q^{n-x}[/tex]

 [tex]P(10)=^{15}C_{10}*p^{10}*Q^{15-10}[/tex]

 [tex]P(10)=\frac{15!}{10!(15-10)!*0.70^{10}*0.30^5}[/tex]

 [tex]P(10)=0.2061[/tex]

b)

Generally the equation for Probability 9 or 12 of the problems can be resolved today is mathematically given by

 [tex]P(9)=\frac{15!}{9!(15-9)!*0.70^{9}*0.30^6}[/tex]

 [tex]P(9)=5005*2.942*10^{-5}[/tex]

 [tex]P(9)=0.1472[/tex]

OR

 [tex]P(12)=\frac{15!}{12!(15-12)!*0.70^{12}*0.30^3}[/tex]

 [tex]P(12)=455*3.737*10^{-4}[/tex]

 [tex]P(12)=0.17[/tex]

Therefore Probability 9 or 12 of the problems can be resolved today is

 [tex]P(9\ or\ 12)=P(9)+P(12)[/tex]

 [tex]P(9\ or\ 12)=0.1472+0.17[/tex]

 [tex]P(9\ or\ 12)=0.3172[/tex]

c)Generally the equation for probability more than 10 of the problems can be resolved today is mathematically given by

 [tex]P(X>10)=P(11)+P(12)+P(13)+P(15)[/tex]

Where

 [tex]P(11)=\frac{15!}{11!(15-11)!*0.70^{11}*0.30^4}[/tex]

 [tex]P(11)=0.2186[/tex]

 [tex]P(13)=\frac{15!}{13!(15-13)!*0.70^{13}*0.30^2}[/tex]

 [tex]P(13)=0.0916[/tex]

 [tex]P(14)=\frac{15!}{14!(15-14)!*0.70^{14}*0.30^1}[/tex]

 [tex]P(14)=0.0305[/tex]

 [tex]P(15)=\frac{15!}{15!(15-15)!*0.70^{15}*0.30^0}[/tex]

 [tex]P(15)=0.00475[/tex]

Therefore

 [tex]P(X>10)=0.2186+0.0916+0.0305+0.00475+0.17[/tex]

 [tex]P(X>10)=0.51545[/tex]

Given:

The data set is:

40, 76, 40, 63, 47, 57, 49, 55, 50, 53

To find:

The median of the given data set.

Solution:

We have,

40, 76, 40, 63, 47, 57, 49, 55, 50, 53

Arrange the data values in ascending order.

40, 40, 47, 49, 50, 53, 55, 57, 63, 76

Here, the number of observations is 10 which is an even number. So, the median is:

[tex]Median=\dfrac{(\dfrac{n}{2})\text{th term}+(\dfrac{n}{2}+1)\text{th term}}{2}[/tex]

Putting n=10, we get

[tex]Median=\dfrac{(\dfrac{10}{2})\text{th term}+(\dfrac{10}{2}+1)\text{th term}}{2}[/tex]

[tex]Median=\dfrac{5\text{th term}+6\text{th term}}{2}[/tex]

From the arranged terms, it is clear that the the 5th term is 50 and the 6th term is 53.

[tex]Median=\dfrac{50+53}{2}[/tex]

[tex]Median=\dfrac{103}{2}[/tex]

[tex]Median=51.5[/tex]

Therefore, the median of the given data set is 51.5.

Answer:

Option A.

Step-by-step explanation:

√18x÷√32

√18x/√32

√18x/32

√9x/16

9 and 16 are perfect squares

=3√x/4.

Option A

Answer:

Step-by-step explanation:

x = -1:  2(3)^(-1) = 2(1/3) = 2/3

x = 0:  2(3)^0 = 2(1) = 2

x = 1:    2(3)^1 = 6

x = 2   2(3)^2 = 18

Answer: The percentage increase is 170%

Step-by-step explanation:

Increase= $351 - $130

Increase= 221

Percent increase = 221/ 130

Percent increase= 170%

I'm not sure if I'm right, but I hope that this helped:)

Answer:

170%

Step-by-step explanation:

130 = 100%

65 = 50%

13 = 10%

351 - 130 = 221 (doesnt count)

221 - 130 = 91

91 - 65 = 26

26 - (13 + 13) = 0

100 +  50 + 20 = 170%

Answer:

350millas

Step-by-step explanation:

Answer:

A

Step-by-step explanation:

∠4 and ∠8 are corresponding angles

corresponding angles are congruent ( equal to each other )

so if ∠4 = 100° then ∠8 also equals 100°

Answer:

A

Step-by-step explanation:

8 is equal to 4(100) because it is corresponding angle, corresponding angle are equal to each other...If 4 is 100 then 8 will be 100

Answer:

(-1,-1)

Step-by-step explanation: