In the diagram, the measure of angle 5 is (10x -9), and the measure of angle 7 is (9x)". What is the measure of angle 6, to
the nearest degree?
What is the measure of angle 6, to the nearest degree?
81 degrees
90 degrees
99 degrees
105 degrees

In The Diagram, The Measure Of Angle 5 Is (10x -9), And The Measure Of Angle 7 Is (9x)". What Is The

Answers

Answer 1

Option C: 99° is the measure of angle 6

Explanation:

It is given that the measure of ∠5 is (10x-9)°

The measure of ∠7 is (9x)°

We need to determine the measure of ∠6

Since, from the diagram it is obvious that the angles 5 and 7 are vertical angles.

And, we know that the vertical angles are always equal.

Thus, we have,

              [tex]\angle 5 = \angle 7[/tex]

       [tex]10x-9=9x[/tex]

[tex]10x-9x-9=0[/tex]

           [tex]x-9=0[/tex]

                 [tex]x=9\\[/tex]

Thus, the value of x is 9.

Substituting [tex]x=9\\[/tex] in ∠5 and ∠7, we have,

[tex]\angle 5= (10x-9)^{\circ}[/tex]

    [tex]= (10(9)-9)^{\circ}[/tex]

    [tex]= (90-9)^{\circ}[/tex]

    [tex]= 81^{\circ}[/tex]

[tex]\angle 7=(9x)^{\circ}[/tex]

    [tex]=(9(9))^{\circ}[/tex]

    [tex]=81^{\circ}[/tex]

The measure of [tex]\angle 5 = 81^{\circ}[/tex] and [tex]\angle 7= 81^{\circ}[/tex]

Since, from the diagram we can see that the angles 6 and 7 are in a straight line.

And the angles in the straight line add up to 180°

Thus, we have,

[tex]\angle 6+\angle 7=180^{\circ}[/tex]

[tex]\angle 6+81^{\circ}=180^{\circ}[/tex]

         [tex]\angle 6=180^{\circ}-81^{\circ}[/tex]

         [tex]\angle 6 =99^{\circ}[/tex]

Thus, the measure of angle 6 is 99°

Therefore, Option C is the correct answer.

Answer 2

Answer:

C:99

Step-by-step explanation:

t is given that the measure of ∠5 is (10x-9)°

The measure of ∠7 is (9x)°

We need to determine the measure of ∠6

Since, from the diagram it is obvious that the angles 5 and 7 are vertical angles.

And, we know that the vertical angles are always equal.

Thus, we have,

\angle 5 = \angle 7∠5=∠7

10x-9=9x10x−9=9x

10x-9x-9=010x−9x−9=0

x-9=0x−9=0

\begin{lgathered}x=9\\\end{lgathered}

x=9

Thus, the value of x is 9.

Substituting \begin{lgathered}x=9\\\end{lgathered}

x=9

in ∠5 and ∠7, we have,

\angle 5= (10x-9)^{\circ}∠5=(10x−9)

= (10(9)-9)^{\circ}=(10(9)−9)

= (90-9)^{\circ}=(90−9)

= 81^{\circ}=81

\angle 7=(9x)^{\circ}∠7=(9x)

=(9(9))^{\circ}=(9(9))

=81^{\circ}=81

The measure of \angle 5 = 81^{\circ}∠5=81

and \angle 7= 81^{\circ}∠7=81

Since, from the diagram we can see that the angles 6 and 7 are in a straight line.

And the angles in the straight line add up to 180°

Thus, we have,

\angle 6+\angle 7=180^{\circ}∠6+∠7=180

\angle 6+81^{\circ}=180^{\circ}∠6+81

=180

\angle 6=180^{\circ}-81^{\circ}∠6=180

−81

\angle 6 =99^{\circ}∠6=99

Thus, the measure of angle 6 is 99°

Therefore, Option C is the correct answer.


Related Questions

PLEASE HELP ME!!!!!!!!

A polygon has the following coordinates: A(3,-3), B(-3,-2), C(-5,1), D(-5,4), E(-4,6), F(-2,6), G(3,2). Find the length of CD.
A. 4 units
B. 6 units
C. 3 units
D. 5 units

Answers

The right answer is Option C: 3 units

Step-by-step explanation:

Given coordinates are;

A polygon has the following coordinates: A(3,-3), B(-3,-2), C(-5,1), D(-5,4), E(-4,6), F(-2,6), G(3,2).

For finding length of CD, we will find the distance between C and D.

C(-5,1) and D(-5,4)

Here;

[tex]x_1=-5, y_1=1\\x_2=-5, y_2=4[/tex]

Distance = [tex]\sqrt{(x_2-x_1)^2+(y_2-y_1)^2[/tex]

[tex]Distance=\sqrt{(-5+5)^2+(4-1)^2}\\Distance=\sqrt{(0)^2-(3)2}\\Distance=\sqrt{(3)^2}\\Distance = 3[/tex]

Therefore;

The length of CD is  units.

The right answer is Option C: 3 units

Answer:

2

Step-by-step explanation:

Concrete Works manufactures and sells cement trucks. For the previous year, their taxable income was $6,775,989.00. They have
to pay a federal tax rate of 35%, a state tax rate of 8%, and a local tax rate of 2%. As part of their loan package for the business, the
company has to pay $3,200,000.00 after the taxes are paid each year to go against the principal amount of the loan. The profit after
taxes and principal reduction can be determined by the equation
p() = 0.586041 - 3,200,000,
where x is their taxable income. How much profit does the company have after paying taxes and reducing the principal on the loan?

Answers

You have the right equation.

p(x) = 0.586041x - 3,200,000

3200000 of course represents the deduction from the loan

0.586041 - this number represents the amount of money left after taxes (58.6041% of the total is left)

We get this by taking into account all the taxes on top of another...

35% federal tax = 65% left

35% federal tax and 8% state tax = 65% x 92% left

35% federal tax and 8% state tax and 2% local tax = 65% x 92% x 98% left = 58.6041%

To get the profit plug in the given taxable income for x.

p(6775989) = 0.586041(6775989) - 3,200,000 = $771,007.37 approx.

answer: $771,007.37 approx.

Luis has $20.He buys 4 cans of tennis balls and gets $8 back as change .How much did one can of tennis balls cost?

Answers

Answer:

20-8 = 12 , he waste $12 if he got 4 cans 12 divide by 4 equal 3 so the one can cost $3

Step-by-step explanation:

3, this is because if you subtract the change and the total amount he started with you get 12, if you divide that equally among the four cans of tennis balls you get 3$

at a local school the ratio of boys to girls was 8 to 9 if there were 117 girls how many boys were enrolled in the school?

i need help

Answers

The number of boys in the schools is 104.

Step-by-step explanation:

Given,

The ratio of boys and girls is 8:9

Number of girls = 117

Let us take,

Number of boys = 8x

Number of girls = 9x

To find the number of boys.

According to the problem,

9x = 117

or, x = [tex]\frac{117}{9}[/tex]

= 13

Hence, the number of boys = 13×8 = 104

how do you work out how many 1/3 cup servings are in 6 cups of pecans

Answers

Answer:

18 servings

Step-by-step explanation:

Because 6 divided by 1/3 is the same as 6*3, we can just do it that way so it makes more sense.

6*3= 18

And there you have your answer!

You multiply 6x3 and get 18 but if u need to show ur teacher do 6/1 x1/3

Parallelogram R S T U is shown. Diagonals are drawn from point R to point T and from point U to point S and intersect at point V. The length of line segment U V is (x + 3) meters and the length of line segment V S is (2 x minus 7) meters.
In parallelogram RSTU, what is SU?

Answers

Answer:

SU = 26 meters

Step-by-step explanation:

Based on the definition of a parallelogram, we know that the diagonals bisect each other, so we know that:

UV = VS

x + 3 = 2x - 7

10 = x

Now that we know "x", we can find the length of SU:

SU = x + 3 + 2x - 7

SU = (10) + 3 + 2(10) - 7

SU = 13 + 20 - 7

SU = 33 - 7

SU = 26 meters

Answer:♣ = Vertical angles theorem

♦ =SAS

♠ =CPCTC

Step-by-step explanation:

which ordered pair is a a solution of the equation ?

y= 3x+5

A. only (2,11)
B. only (3,13)
C. both (2,11) and (3,13)
D.neither

Answers

Answer:

A

Step-by-step explanation:

when you plug in 2,11

11 = 3*2 +5 that is correct

13 = 3*3 +5 that is not correct

only 2,11 works

Answer:

A. only (2,11)

Step-by-step explanation:

Fabio has run five eighths of the race. What fraction of the race remains?

Answers

Answer:

[tex]\frac{3}{8}[/tex]

Step-by-step explanation:

Fractions

since [tex]\frac{5}{8}[/tex] has been completed

the remaining would be :

[tex]\frac{8}{8} -\frac{5}{8}[/tex]

since denominators are the same

= [tex]\frac{8 - 5}{8} \\\\[/tex]

= [tex]\frac{3}{8}[/tex]

the fraction of the race that is remaining is 3/8

if fabio has already ran 5/8 subtract it and you will get 3 then just make it a fractions so add the denominator 3/8

solve: 43x = 42
a: x= -3/2
b: x= -2/3
c: x=2/3
d: x=3/2

Answers

Answer: C

it's C) 2/3

Answer:

C! X = 2/3

Step-by-step explanation:

Next part on edge is

(C) X=1

You draw two cards from a standard deck of 52 cards. What is the probability of drawing a club and then a diamond consecutively from the deck without replacement? A) 13 51 B) 13 105 Eliminate C) 13 204 D) 13 408

Answers

Answer:

There are 13 cards for each suit so the first fraction is 13/52 and the next one is 13/51 as there is no replacement for the first card you pulled.

Multiplying them you get: 13/52*13/51= 169/2652,

Then you divide both sides by 13 to get: 13/204

So, the answer is C.

I hope this helps!

The probability of drawing a club and then a diamond consecutively from the deck without replacement is 13/204.

Option C is the correct answer.

What is probability?

It is the chance of an event to occur from a total number of outcomes.

The formula for probability is given as:

Probability = Number of required events / Total number of outcomes.

We have,

Number of cards = 52

Number of clubs = 13

Number of diamonds = 13

Now,

The probability of drawing a club.

= 13/52

And,

The probability of drawing a diamond consecutively from the deck without replacement.

= 13/51

[ There will be only 51 cards in total since we are not replacing ]

Now,

The probability of drawing a club and then a diamond consecutively from the deck without replacement.

= 13/52 x 13/51

= 13/4 x 1/51

= 13/204

Thus,

13/204 is the probability of drawing a club and then a diamond consecutively from the deck without replacement.

Learn more about probability here:

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-7=z/-6 solve for z pls help it 7th grade math and it’s on khan ;cc

Answers

Answer:

42

Step-by-step explanation:

I think it's 42 because 42/-6 is -7

Answer:

z = 42

Step-by-step explanation:

Given -7 = z/-6

Cross multiply

-7 x -6 = z

Negative times negative gives you positive.

42 = z

z = 42

62% of what number is 186

Answers

Answer:

300

Step-by-step explanation:

Let the number be X

62/100 × X = 186

X = 186 × 100/62

X = 300

Answer: 62% of 300 is 186

Step-by-step explanation:

62% of x = 186

62/100 x = 186

0.62x=186

×=300

CAN SOMEBODY PLEASE HELP ME!!!!!!!!!!

Answers

The answers to the blanks are

1. 600,

2. 120,

3. 120,

4. 180.

Explanation:

The fence means perimeter around the court. So a tennis court's perimeter is 600 feet fence. The perimeter of a rectangle is 2 times the sum of the rectangle's length and the rectangle's width.It is given that length equals 60 more than width i.e. l = w + 60, where l is the length of the court and w is the width of the court.The perimeter of a court = 600 = 2 (l + w) = 2l + 2w = 2 (w +60) + 2w,                                                                                                     this becomes, 2w + 120 + 2w = 600; 4w = 480, w = 120.Since l = w + 60, l = 120 + 60 = 180. So length of a court is 180 feet and the width of a court is 120 feet.

if a+b = 8, a²-b²=16, then ab is?​

Answers

Answer:

a=5 and b=3

Step-by-step explanation:

a+b=8

okay, so the numbers that can make 8 are 4+4, 5+3, 6+2, and 7+1

Try 5+3

so plug them in

5+3=8

5*5=25

3*3=9

25-9=16

that's your answer

log 32 ​ (16)= 5 4 ​ exponential form

Answers

Answer: _(32)(16)=(4)/(5)

Step-by-step explanation:

What is the value of y in the equation,
y = -3x + 4, if x = 3?

Answers

Answer:y= -5

Step-by-step explanation:

-3(3)+4= -5

-3(3)= -9

-9 + 4= -5

Answer:

-5

Step-by-step explanation:

y = -3x + 4

If x = 3

Plug the value into the expression

We have

y = -3(3) + 4

= -9 + 4

= -5

The sum of 99 and a number is greater than 199

Answers

Answer:

Step-by-step explanation:

Let the number be n.

Then:

99 + n > 199

if you wish to solve this, subtract 99 from both sides, obtaining n > 100

Cindy rode her bicycle 6 miles less than four times the number of miles that Scotty road. If Cindy rode his bicycle 42 miles, how many miles did Scotty ride?

Answers

Answer:

12

Step-by-step explanation:

42+6=48

48/4=12

what is the square root of -1? O -i O i O -1 O 1

Answers

Answer:

Option B, i

Step-by-step explanation:

sqrt(-1) is i

Answer:  Option B, i

Answer: i got this square root(negative 1) =

i

Step-by-step explanation:

35 more than 5 times a number, w, is -10, what is the number w?

Answers

Answer: w= -9

Step-by-step explanation:

Set up an equation, 5 times a number is 5w, and 35 more, means plus 35. All of this is equal to -10, so the equation will be:

5w+35=-10

Subtract 35 from both sides

5w=-45

Divide by 5 on both sides

w= -9

Hope this helped!

Whats 33.33% into a decimal number

Answers

Answer:

0.3333

Step-by-step explanation:

To convert 33.33% to decimal, simply divide 33.33 by 100.

Answer: 0.3333

Step-by-step explanation:

33.33% = 33.33 / 100 = 0.3333.

Since 100 has 2 zeros, you count the decimal point in 33.33 forward twice.

Simplify the numerical expession 5-2 + 12 + 4?​

Answers

Answer:

The answer is 19

Step-by-step explanation:

Answer:so easy its 19 it's right i promise you

f(4) if f(x) = 3x - 1

Answers

Answer:

f(4) = 11

Step-by-step explanation:

To evaluate f(4) substitute x = 4 into f(x)

f(4) = 3(4) - 1 = 12 - 1 = 11

Fill in the blank: in the table of exponential function,————————- by the same amount each time to get to the next number

Answers

Answer: multiplies

Explain: this is because exponentially is multiplication.

The table of exponential multiplies by the same amount each time to get to the next number.

What is an exponential function?

In mathematics, an exponential function is a relationship of the type y = ax, where x is an independent variable that spans the entire real number line and is expressed as the exponent of a positive number.

In another meaning, an exponential function is that function above which a variable x has imposed.

For example [tex]3^{x}[/tex] , [tex]7^{x}[/tex] like that.

Let a general exponential function [tex]a^{x}[/tex] where a is constant.

Let x = 1,2,3,4,5....

At x = 1 ⇒ a¹ = a

At x = 2 ⇒ a² = a × a = previous numebr ×  (a)

At x = 3 ⇒ a³ = a² × a = previous number × (a)

So,

It is clear that in exponential function each term multiplies the same amount each time to get to the next number.

For more about exponential function,

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how so you slove 4^2x-1 = 8^x+2 ?

Answers

Answer:

x = [tex]\frac{ln(16)}{ln(2)}[/tex]

Step-by-step explanation:

[tex]4^{2x-1} =8^{x+2}[/tex]

ln both sides like you would add the same number to both sides to keep the equation equivalent

[tex]ln4^{2x-1} = ln 8^{x+2}[/tex]

using log rules, exponents can be brought down as a constant multiplying ln

[tex](2x-1)ln(4) =(x+2)ln(8)[/tex]

use distributive property to remove parentheses

2xln(4) - ln(4) = xln(8) + 2ln(8)

isolate x

2xln(4) - xln(8) = 2ln(8) + ln(4)

rewrite the logs using log rules: ln(x) - ln(y) = ln([tex]\frac{x}{y}[/tex]) and the exponent rule stated above

xln([tex]4^{2}[/tex])-xln(8) = ln([tex]\frac{8^{2} }{4}[/tex])

factor out x

x(ln[tex]4^{2}[/tex]-ln8) = ln([tex]\frac{8^{2} }{4}[/tex])

again use log rules:  ln(x) - ln(y) = ln([tex]\frac{x}{y}[/tex])

x* [tex]ln(\frac{4^{2} }{8}[/tex][tex])[/tex]=  ln([tex]\frac{8^{2} }{4}[/tex])

now simplify the stuff inside the ln parentheses

x*ln(2) = ln(16)

x = [tex]\frac{ln(16)}{ln(2)}[/tex]

1. Find the area and perimeter of the triangle.
16 cm
20.9 am
27 cm

Answers

Answer:

Perimeter = 63.9 cm.

Area = 166.96 cm^2 to the nearest hundredth.

Step-by-step explanation:

The perimeter = 16+20.9+27 = 63.9 cm.

To find the area you can use Heron's Formula.

Area = √ [ s(s-a)(s-b)(s-c)]  where  s = the semi-perimeter and a, b and c are the lengths of the 3 sides.

s = 63.9 / 2 =  31.95.

Area of the triangle = √ (31.95(31.95-16)(31.95-20.9)(31.95-27)]

 = 166.96 cm^2.

10 is decreased by four times the quantity of 8-3. One is an added to that result.

Answers

ends up being ten after all the steps but if you add one after that the answer is 11

Bobby catches 8 passes in 3 football games. At this rate, how many passes does he
catch in 15 games?​

Answers

Answer:

40 passes

Step-by-step explanation:

we know that

Bobby catches 8 passes in 3 football games

so

using proportion

Find out how many passes does he  catch in 15 games

[tex]\frac{8}{3}=\frac{x}{15}\\\\x=8(15)/3\\\\x=40\ passes[/tex]

Answer: 40 passes

Step-by-step explanation:

Hi, to answer this we have to use proportions:

Proportion = Passes catched/ football games

Bobby catches 8 passes in 3 football games: 8/3

For 15 games: x/15

8 /3 = x/15

Solving for x

(8/3)15 =x

40 = x

He catches 40 passes in 15 games.

Feel free to ask for more if needed or if you did not understand something.

During a week, for every 2 miles that Leigh runs, she walks 3 miles. How many miles will Leigh walk if she runs 10 miles?

Answers

Answer:

15

Step-by-step explanation:

2:3

X2 4:6

X5 10:15

Answer:

15 miles

Step-by-step explanation:

Divide 10 by 2, which equals 5. This gives you the amount of times she walks. Thus, if you multiply 3 miles times 5 (the amount of times she walks) it equals 15.

what two numbers multiply into (-24) and adds up to (-10)?

Answers

Two numbers multiply into (-24) and adds up to (-10) are 2 & -12

Step-by-step explanation:

Here we need to find two numbers , with the following info:

Let us assume that two numbers are x & y .

two numbers multiply into (-24):

Two numbers are x and y , and there multiply is -24 i.e.

⇒ [tex]x(y) = -24[/tex]

two numbers adds up to (-10):

Two numbers are x and y , and there addition is -10 i.e.

⇒ [tex]x+y = -10[/tex] . .............. (1)

Let's solve this :

We know that , [tex](x+y)^2 = x^2 +y^2 +2xy[/tex]

⇒ [tex](x+y)^2 = x^2 +y^2 +2xy[/tex]

⇒ [tex](-10)^2 = x^2 +y^2 +2(-24)[/tex]

⇒ [tex]100 = x^2 +y^2 -48[/tex]

⇒ [tex]x^2 +y^2 =148[/tex]

Now,

⇒ [tex](x-y)^2 = x^2 +y^2 -2xy[/tex]

⇒ [tex](x-y)^2 = (148) -2(-24)[/tex]

⇒ [tex](x-y)^2 = (148) +48=196 = 14^2[/tex]

⇒ [tex]x-y = 14[/tex]     .......... (2)

Let's solve equation 1 & 2 by adding (1)+(2):

⇒ [tex](x+y)+(x-y) = -10 +14[/tex]

⇒ [tex]2x=4[/tex]

⇒ [tex]x=2[/tex]

Putting value of [tex]x=2[/tex] in [tex]x-y = 14[/tex] :

⇒ [tex]2-y = 14[/tex]

⇒ [tex]y = -12[/tex]

Therefore, two numbers multiply into (-24) and adds up to (-10) are 2 & -12.

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