30 points!!!
AOC and BOD are diameters of a circle, centre O. prove that triangle ABD and triangle DCA are congruent by RHS.

Answer:

5

Step-by-step explanation:

A negative plus a negative equals a positive so the equation would be 4 1/3 + 2/3 and the sum is 5.

Hopes this helps :)

Answer:

n<4

Step-by-step explanation:

Answer:

[tex]n < 4[/tex]

Step-by-step explanation:

[tex] \frac{1}{2} n + 3 < 5 \\ subtract \: 3 \: from \: both \: sides \\ \\ \frac{1}{2} n < 2 \\ divide \: both \: sides \: by \: \frac{1}{2} \\ \\ n < 4[/tex]

answer

9x14y20

reason

X-4/3 <= 5

Multiply both sides by 3:

X-4 <= 15

Add 4 to both sides:

X <= 19

The answer is the third one.

Answer:

after cross multiplying is when u get 5a=16....then u divide by 5 throughout...also its best to convert 3.2 into fraction since the question is in fraction.....but whichever is still correct

hope its understood

Answer:

x= 60°.

Step-by-step explanation:

To solve this problem, we must figure out the measure of the angles inside a hexagon. We can do this using the Interior Angle formula S = (n - 2)·180.

When we plug the number of sides a hexagon has into this equation, we get a total sum of 720.

To get the measure of each angle, we simply divide 720 by 6, giving us a measure of 120 per angle. Since we know the measure of the interior angles, we can solve for angles of the triangle using Supplementary angles.

180-120= 60°.

We know that the two angles of the triangle against the hexagon are 60°, but what about the other angle?

All you need to do is subtract the two angles from 180 to get you the angle of 'x'.

180-2(60°)= 60°.

Answer:

The probability that Pete passes his test given that he studied = (8/10) = (4/5) = 0.80

Step-by-step explanation:

Let the event that Pete studies be S.

Let the event that Pete passes the test be P.

The probability that he studies for his test and then passes it is P(S n P) = 7/10

The probability that Pete studies is P(S) = 7/8

The probability that Pete passes his test given that he studied = P(P|S)

The conditional probability, P(A|B) is given mathematically as

P(A|B) = P(A n B) ÷ P(B)

So, the required probability, P(P|S) will be

P(P|S) = P(P n S) ÷ P(S)

P(P n S) = P(S n P) = (7/10)

P(S) = (7/8)

P(P|S) = P(P n S) ÷ P(S)

= (7/10) ÷ (7/8)

= (7/10) × (8/7)

= (8/10) = (4/5) = 0.80

The probability that Pete passes his test given that he studied = (8/10) = (4/5) = 0.80

Hope this Helps!!!

Answer:

16 students

Step-by-step explanation:

144 students enter a spelling bee contest.

Step 1

For the semi final round we are told that only 1/6 of the group will make it into that round.

This is calculated as

1/6 × 144/students = 24 students.

This means that only 24 students would make it into the semi final rounds.

Step 2

We are also told in the question that only 2/3 of THAT group would make it into the final round.

" THAT" group been referred to in the question means the number students that made it to the semi final round

This is calculated as

2/3 of that group( the group that made it to the semi finals)

= 2/3 × 24 students

= 16 students.

Therefore, the number of students that will enter the final round of the spelling bee is 16 students.

To calculate the number of students who will make it to the final round of the spelling bee, we first determine the semi-finalists by multiplying the total students by 1/6, and then the number of finalists by multiplying the semi-finalists by 2/3, resulting in 16 students.

To solve this problem, we first need to determine the number of students who will make it into the semi-final round. Since only 1/6 of the total students will make it to the semi-final round, we can calculate that by multiplying the total students (144) by 1/6, which results in 24 students.

Next, we need to calculate the number of students that will make it into the final round from the semi-final round. This means we need to multiply the semi-finalists (24) by 2/3, which results in 16.

Therefore, 16 students will make it into the final round of the spelling bee.

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Answer:

A

Step-by-step explanation:

-2(5x)+(-2)(-3/4) = -10x +6/4

-2(5x-3/4) = the same

Answer:

the length and width . Round to the nearest tenth are 8.8 inches and 3.8 inches respectively.

Step-by-step explanation:

The area A of a rectangle is the product of the length L and width W. This may be expressed mathematically as

A = L * W

As such, given that the length is 5 inches more than the width,

L = W + 5

33 = W(W + 5)

W² + 5W  - 33 = 0

Using the formula method which states that

s = -b±√(b²-4ac)/2a

W = -5 ± √5² - 4(1)(-33)/2

= -5 ± 12.53/2

= 7.53/2 (since length cannot be negative)

= 3.755 inches

L = 3.755 + 5

= 8.755 inches

Answer: about 630.57 rotations per mile.

Step-by-step explanation: There are 1760 yards in one mile. 36 inches per yard. Convert miles to inches: 1760×36=63360

Figure the circumference of the tire: C=π×32 3.14×32=100.48=C

Divide the length of the mile by the circumference of the tire:. 63360/100.48 = 630.57 approximately.

Answer:

2

いたち うちあ

Step-by-step explanation:

Answer:

22

Step-by-step explanation:

f(x) = 5x-3

Let x = 5

f(5) = 5*5-3

f(5) = 25-3

    = 22

Answer:

37

Step-by-step explanation:

The cosine of an angle is the length of the adjacent side, in this case x, divided by the length of the hypotenuse, in this case 85. So you can set up the following equation:

[tex]\cos 64.2^{\circ}=\dfrac{x}{85}[/tex]

[tex]x\approx 37[/tex] units

Hope this helps!

Answer:

the answer is A because it has 2 sides of parallel line

Step-by-step explanation:

The correct shape which is always a parallelogram is,

⇒ A rectangle because it has 2 pairs of parallel sides.

We have to given that,

To find shape which is always a parallelogram

Since, A rectangle is a two dimension figure with 4 sides, 4 corners and 4 right angles. The opposite sides of the rectangle are equal and parallel to each other.

Hence, We can say that;

Rectangle shape is always a parallelogram.

Thus, The correct shape which is always a parallelogram is,

⇒ A rectangle because it has 2 pairs of parallel sides.

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Answer:

D

Step-by-step explanation:

i used calculator and i all did tast and i got it right

Answer:

The answer is D

Step-by-step explanation:

I did get it correct on edg 2021

I hope it helps

Have great day!

Answer:

336

Step-by-step explanation:

Number of people divide by minutes

35/25 =1.4

Then Change the 4 Hours to minutes.

Knowing that there 1 Hour = 60 Minutes

Thus, 4 x 60 = 240

Then 1.4 x 240 = 336

Hence, 336 people can ride that Ferris wheel in 4 hours.

[RevyBreeze]

Answer:

WHERES THE PIC??

Step-by-step explanation:

Answer:

Btw I got this for home work.

Step-by-step explanation:

Answer:

The first 4 guests can arrive in 32,760 ways.

Step-by-step explanation:

The order in which the guests arrive is important. For example, A,B,C,D is a different outcome to B,A,C,D. So we use the permutations formula to solve this question.

Permutations formula:

The number of possible permutations of x elements from a set of n elements is given by the following formula:

[tex]P_{(n,x)} = \frac{n!}{(n-x)!}[/tex]

In this question:

4 guests from a set of 15. So

[tex]P_{(15,4)} = \frac{15!}{(15-4)!} = 32760[/tex]

The first 4 guests can arrive in 32,760 ways.

Answer:

the first 4 guests can arrive in 32,760 ways.

Step-by-step explanation:

how many ways can the first 4 guests arrive at a party if 15 guests have been invited.

Permutations formula:

The number of possible permutations of x elements from a set of n elements is given by the following formula:

[tex]P_{(n,x)} = \frac{n!}{(n-x)!}[/tex]

4 guests from a set of 15

P(15,4) = 15 * 14 * 13 * 12

= 32760

Therefore, the first 4 guests can arrive in 32,760 ways.

Answer:

$86.35

Step-by-step explanation:

Total amount he spent at Kroger

= $83.47 on groceries. +coupon for $1.99 off bottled water + $0.89 off organic strawberries

= 83.47+0.89+1.99

= $86.35

Final answer:

After applying coupons for bottled water and organic strawberries, Caleb spent a total of $80.59 at Kroger. The discounts of $1.99 and $0.89 were subtracted from the initial spend of $83.47.

Explanation:

Caleb went to Kroger and initially spent $83.47 on groceries. He had two coupons: one for $1.99 off bottled water and another for $0.89 off organic strawberries. To calculate how much Caleb spent after using his coupons, we need to subtract the value of the coupons from the initial amount.

First, we calculate the total discount by adding the two coupon values:

$1.99 for bottled water

$0.89 for organic strawberries

Total discount = $1.99 + $0.89 = $2.88.

Then, we subtract this total discount from the initial spend:

$83.47 - $2.88 = $80.59

Therefore, Caleb spent $80.59 at Kroger after applying his coupons.

Answer:

A:

The average cost per person is always greater than $630 because of the fee for the tour guide.

The average cost per person is always greater than $630 because of the fee for the tour guide.

A function is defined as a relation between a set of inputs having one output each. In simple words, a function is a relationship between inputs where each input is related to exactly one output. Every function has a domain and codomain or range. A function is generally denoted by f(x) where x is the input.

You write functions with the function name followed by the dependent variable.

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Answer:

Step-by-step explanation:

(4y + 8x + 6) + 25 + (4x - 6y + 7) =4y + 8x + 6 + 25 + 4x - 6y + 7

= 4y -6y + 8x + 4x + 6 +  25 + 7

= -2y + 12x + 38

Coefficient of y = -2

Answer:

6, -5/2, 7/4

Step-by-step explanation:

The required slope that shows given points are not collinear is 6, -5/2, and 7/4.

What is the slope of the line?

The slope of the line is a tangent angle made by line with horizontal. i.e. m =tanx where x in degrees.

Here,
m = (y₂ - y₁) /  (x₂ - x₁)  - - - - (1)

Substitute points  C(1, 1), and  D(3, -4) in the above equation 1,
m = -4 -1 / 3 - 1
m = -5/2

Substitute points   D(3, -4) and E(5, 8) in the above equation 1,
m = 8 + 4 / 5 - 3
m = 12 / 2
m = 6

Substitute points C(1, 1)  and E(5, 8) in the above equation 1,
m = 8 - 1 / 5 - 1
m = 7 / 4

Thus, the required slope that shows given points are not collinear are 6, -5/2, and 7/4.

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Answer:

Eff

Step-by-step explanation:

Fraction is a part of a whole, telling us how many parts of a whole we have. It can be converted to percentage or decimal.

Eff scored a 23/25 on his math test. Converting to percentage, eff score = 23/25 * 100% = 92%

Maria scored 21/24 on her math test. Converting to percentage:

Maria score = 21/24 * 100% = 87.5%

Jake scored 17/20 on his math test, converting to percentage:

Jake score = 17/20 * 100% = 85%

The person with the highest score has the highest percentage which is Eff with 92%.

Answer:

Eff had the highest score.

Step-by-step explanation:

The approach to determine who get the same score is converting each fraction to an arbitrary scale, which is 100 for this problem. Now, the conversions are presented below:

Eff

[tex]x = \frac{23}{25}\times 100[/tex]

[tex]x = 92[/tex]

Maria

[tex]x = \frac{21}{24}\times 100[/tex]

[tex]x = 87.5[/tex]

Jake

[tex]x = \frac{17}{20}\times 100[/tex]

[tex]x = 85[/tex]

Eff had the highest score.

Answer:

A). 81 students

B). 18 students

C). 10 students

Step-by-step explanation:

Let S = {All students of 8th grade} = 91

     A = {Students in Art} = 68

     B = {Students in band} = 31

Part A : A∪B = A + B - A∩B

            A∪B = 68 + 31 - 18

            A∪B = 81

A∪B represents the total number of students enrolled in art and band.

Part B : A∩B = 18

A∩B represents the number of common students enrolled in art and band.

Part C: ~(A∪B) = S - A∪B

           ~(A∪B) = 91 - 81

           ~(A∪B) = 10

~(A∪B) represents the number of students enrolled neither in art nor in band.                

Answer: A

Step-by-step explanation:

The answer is a because the measure of angle KGH is 25 degrees since it is an inscribed angle. Angle GKJ is 130 degrees because angle GKL is 50 degrees. Therefore angle J is equal to 25 degrees which makes the triangle an isosceles triangle since angle J and angle KGH are equal to one another.

Answer:

A

Step-by-step explanation:

Answer: 0.95 or 95%

Step-by-step explanation:

Answer:

0.95

Step-by-step explanation:

Answer:

The number that occurs the most frequently

Step-by-step explanation:

For example, in the number set below

1, 1, 2, 3, 3, 3, 3, 4, 5, 6, 6, 85, 95

The number that shows up the most is 3, so 3 is the mode