In the given diagram, which of the following can you use to prove that triangle ABC is an isosceles triangle? Show the slopes of AB and CD are negative reciprocals. Show that D is the midpoint of AB. Show that CD = AD = DB.

Answers

Answer 1

Answer:

I’ll tell you that the answer is NOT l, ll, and lll

Step-by-step explanation:


Related Questions

The left and right page numbers of an open book are two consecutive integers whose sum is 229

Answers

Answer:

114, and 115

Step-by-step explanation:

114+115 = 229

Answer:

114 and 115

Step-by-step explanation:

Let's say the pages are p

so

Left page = p

Right page = p+1

p(p+1) = 229

2p+ 1 = 229 we want to know what p is so isolate the variable:

      -1       -1

2p=228 Divide:

p=114

The pages are 114 and 115

Check: 114+115 = 229

Hope this helps :)

Could -2 be used as a base to rewrite 32?
engage"
Select one:
OYes
ONO
Submit Answer

Answers

Answer:

No

Step-by-step explanation:

A 5 1/2 foot by 12 foot concrete wall is to be built using concrete blocks. What is the area of the wall

Answers

Answer:

66 feet

Step-by-step explanation:

5 1/2 times 12

If f(x)=3-|7+2x|, evaluate if f(-5)

Answers

Answer:

0

Step-by-step explanation:

the || makes whatever number is inside it abslute so -3 becomes 3 instead

Answer:

[tex]f(-5)=0[/tex]

Step-by-step explanation:

[tex]f(x)=3-|7+2x|\\f(-5)=3-|7+2(-5)|\\f(-5)=3-|7+(-10)|\\f(-5)=3-|-3|\\f(-5)=3-3\\f(-5)=0[/tex]

please help with all 3!! will give brainliest!!

Answers

Answer:

11. 9. 4.

Step-by-step explanation:

Since BD bisects ABC, angle ABD = angle CBD.

(13x - 56) = (7x + 10)

6x = 66

x = 11.

Again for the next question BD bisects ABC.

(x + 15) = (4x - 12)

3x = 27

x = 9.

For the last question,

(9x + 9) = (12x - 3)

3x = 12

x = 4.

Sorry about the quality of the picture but

Answers

Answer:

52.5 km

Step-by-step explanation:

1cm: 2100000cm

2.5cm: x cm

you get 52.5 km

Given that 4 x − 5 y = 12 Find y when x = − 3

Answers

Answer:

When x = -3.

4(-3)-5y=12.

-12-5y=12.

-5y=12+12.

-5y=24.

y= -4.8

Solve linear equation

- 0.75p - 2 =0.25p​

Answers

Answer: p = -2

Step-by-step explanation:

- 0.75p - 2 =0.25p​                           add .75p on both sides

-2 = p                                                  That's the same thing at p = -2

Answer:

p = -2

Step-by-step explanation:

-0.75p - 2 = 0.25p Subtract 0.25p from both sides

-1p - 2 = 0 Add 2 to both sides

-1p = 2 Divide by -1 on both sides

p = -2

Which of the following is a name for this line? I’m unsure of this question Pleaseee Helppp

Answers

Answer:C

Step-by-step explanation:

the line above AB signifies that its a line segment

there are points for A and B

12, 13, 14, 15, 21, 24, 25, 26, 27, 29, 32, 32, 38, 41, 47. Make a box-and-whisker plot for the data. What is the 5 point summary for this box and whisker plot?

Answers

Answer:

Hence the five point summary is:

i) Minimum = 12

ii) Maximum = 47

iii) Median = 26

iv) First quartile = 15

v) Third quartile = 32

Step-by-step explanation:

The five point summary of a box and whisker plot is the minimum, maximum, median, first quartile and third quartile.

Given the number 12, 13, 14, 15, 21, 24, 25, 26, 27, 29, 32, 32, 38, 41, 47.

The median is the middle number = 26

The first quartile is the median of the numbers to the left of the median. Hence the first quartile is the median of 12, 13, 14, 15, 21, 24, 25

First quartile = 15

The third quartile is the median of the numbers to the right of the median. Hence the third quartile is the median of 27, 29, 32, 32, 38, 41, 47.

Third quartile = 32

The minimum is the lowest number = 12

The maximum is the largest number = 47

The box and whisker plot is attached

Hence the five point summary is:

i) Minimum = 12

ii) Maximum = 47

iii) Median = 26

iv) First quartile = 15

v) Third quartile = 32

simplify the expression (a^3 over 2)^3

Answers

Step-by-step explanation:

(a3/2)3

(a3)3/(2)3

a9/8

Hope it is helpful for you

1.
Change these measurements into metres:
(b) 425 cm
(d) 140 cm
(e) 780 cm
(a) 245 cm
(c) 535 cm
(f) 340 cm
(g) 2 565 cm
(h) 5 010 cm
2.
Change these measurements into centimetres:
(a) 8 m
(b) 13 m
(c) 24 m
(d) 207 m
(e) 21 m
(f) 100 m
(g) 105 m
(h) 1 m

Answers

Answer:

1m = 100cm, 100cm = 1m

1.

b) 425cm = 4.25m

d) 140cm = 1.4m

e) 780cm = 7.8m

a) 245cm = 2.45m

c) 535cm = 5.35m

f) 340cm = 3.4m

g) 2,565cm = 25.65m

h) 5,010cm = 50.10m

2.

a) 8m = 800cm

b) 13m = 1,300cm

c) 24m = 2,400cm

d) 207m = 207,000cm

e) 21m = 21,000cm

f) 100m = 100,000cm

g) 105m = 105,000cm

h) 1m = 100cm

Answer:

•Centimeters to Meters

a) 2.45 m

b) 4.25 m

c) 5.35 m

d) 1.4 m

e) 7.8 m

f) 3.4 m

g) 25.65 m

h) 50.1 m

•Meters to Centimeters

a) 800 cm

b) 1,300 cm

c) 2,400 cm

d) 20,700 cm

e) 2,100 cm

f) 10,000 cm

g) 10,500 cm

h) 100 cm

Step-by-step explanation:

When you go to convert centimeters into meters, you divide the number of centimeters by 100. Once divided, that number is how many meters it is. Ex. There are 652 cm and you need to find out how many meters there are. Divide 652 by 100 (652/100) and that equals 6.52 m

When you go to convert meters into centimeters, multiple the number of meters by 100. Ex. There’s 4 m of rope and you want to know the length in centimeters. Multiply 4 by 100 (4x100) and you should get 400 cm.

#15 how do i do it and how do i solve?!

Answers

Answer:

perimeter=8x+30

Step-by-step explanation:

(3x+15)+(3x+15)+(x)+(x)

^each side is represented within the parentheses

then, rearrange the terms so they are organized by like terms

3x+3x+x+x+15+15

8x+30

The answer is 8x+30 !!!

An object travels 8 miles in 20 minutes at a constant speed. What is the object's speed in miles per hour

Answers

Answer:

24miles/hour

Step-by-step explanation:

Speed is the change in distance of a body with respect to time.

Speed = Distance/tIme

Given parameters

Distance = 8miles

TIME = 20minutes

Convert minutes to hour

since 60minutes = 1hr

20 min = x

cross multiply

20 = 60x

x = 20/60

x = 1/3

Hence 20mins = 1/3 hr

Speed = 8miles/(1/3)hr

speed = 8 miles * 3/1 hr

speed = 24 miles/hr

Hence the object's speed in miles per hour is 24miles/hour

The object's speed in miles per hour is 24 miles per hour.

Distance = 8 miles

Time = 20 minutes = 20/60 = 1/3 hour

The speed of an object is calculated as:

= Distance / Time

= 8 ÷ 1/3

= 8 × 3

= 24

In conclusion, the object's speed in miles per hour is 24 miles per hour.

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Which equation shows the correct relationship between the measures of the angles of the two triangles?

Answers

Answer:

The answer is C

Answer:

c is the answer

Step-by-step explanation:

the answer is c

Which of the following represents fifth root of x to the fourth power in exponential form? (6 points) a 4x5 b 5x4 c x to the five fourths power d x to the four fifths power

Answers

Answer:

B) 5x4

one its not A nor its C

its either B or D but i would go with B because D doesn't make sense all because D is saying x4^5 but its 5x^4

Answer:

[tex]x^{\frac{4}{5} }[/tex]

Step-by-step explanation:

Using the rule of radicals/ exponents

[tex]\sqrt[n]{x^{m} }[/tex] ⇔ [tex]x^{\frac{m}{n} }[/tex] , thus

[tex]\sqrt[5]{x^{4} }[/tex] = [tex]x^{\frac{4}{5} }[/tex]

7 19/50 as a decimal

Answers

Answer:

Here you go:)

Step-by-step explanation:

7.38

On a vertical line segment, point A is located at 50. Point B is located at 104. Point P is a point that divides segment AB in a ratio of 1:5 from A to B. Where is point P located?

Answers

Answer:

Step-by-step explanation:

Let the initial point on the line segment be O. If point A is located at 50 and point B is located at 104, then OA = 50 and OB = 104. Using the vector notation;

AO+OB = AB

(-OA)+OB = AB

-50+104 = AB

AB = 54

If point P divides the segment AB in a ratio 1:5, them AP:PB = 1:5

AP = 54/6

AP = 9

PB = 54-9

PB = 45

Hence the point P is located at 9 units from A and 45 units from B

What might cause a theory to change over time

Answers

Answer:

Accepted theories may be modified or overturned as new evidence and perspective emerges. Scientists are likely to accept a new or modified theory if it explains everything the old theory did and more. The process of theory change may take time and involve controversy, but eventually the scientific explanation that is more accurate will be accepted.

The discovery of new evidence because it's the only one that would give proof and science relies on proof.

What might cause a theory to change over the time?

Accepted theories may be modified or overturned as new evidence and perspective emerges. Scientists are likely to accept a new or modified theory if it explains everything the old theory did.

The process of theories change may take time and involve controversy, but eventually the scientific explanation that is more accurate will be accepted.

The discovery of new evidence because it's the only one that would give proof and science relies on proof.

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5 Laura says that the distance between (4, -2) and (4, -7) in the coordinate plane is
equal to 1-2-(-7) units.
Ryan says that the distance between the points (2, 3) and (-9,3) in the coordinate
plane is equal to 2 + 9 units.
Is either Laura or Ryan correct? Explain.

Answers

Answer:

Ryan is correct.

Step-by-step explanation:

Laura says that the distance between (4, -2) and (4, -7) in the coordinate plane is  equal to 1-2-(-7) units.

Here, x-coordinates are same, so the distance between these points is the difference between y-coordinates.

Distance between (4, -2) and (4, -7) = -2-(-7)

                                                           = -2+7

                                                           = 5 units.

So, Laura is incorrect.

Ryan says that the distance between the points (2, 3) and (-9,3) in the coordinate  plane is equal to 2 + 9 units.

Here, y-coordinates are same, so the distance between these points is the difference between x-coordinates.

Distance between (2, 3) and (-9,3) = 2-(-9)

                                                         = 2+9

                                                          = 11 units.

Therefore, Ryan is correct.

If there are 48 boys and 32 girls what are all of the possible ratios

Answers

Answer:

48 to 32  8 to 4 4 to 2 24 to 16

Step-by-step explanation:

Write an expression equivalent to 6x+3y-4x+2

Answers

Answer:

10x+3y+2

Step-by-step explanation:

The keyword "altogether" refers to what operation?​

Answers

Answer:

addition

Step-by-step explanation:

altogether means to put things together or to combine.

addition is taking two or more things and combining them.

Answer:

The keyword "altogether" refers to addition.

Step-by-step explanation:

altogether = the sum of something

Marcus has $45 in his bank account. He deposits a check for $65. Two days later he
withdraws $20. How much money is left in his account?

Answers

there is $90 left in his account

Answer: $90

Step-by-step explanation: Take 45 and add 65, then subtract 20.

A stamp has the Length of 1/2 cm and a width of 1 1/2 is the area of the stamps

Answers

Answer:

[tex]Area = \frac{3}{4} cm^2[/tex]

Step-by-step explanation:

Given

[tex]Length =\frac{1}{2}\ cm[/tex]

[tex]Width = 1\frac{1}{2}\ cm[/tex]

Required

Determine the Area

Area is calculated as follows

[tex]Area = Length * Width[/tex]

Substitute values for Length and Width

[tex]Area = \frac{1}{2} * 1\frac{1}{2}[/tex]

Convert mixed fraction

[tex]Area = \frac{1}{2} * \frac{3}{2}[/tex]

[tex]Area = \frac{3}{4}[/tex]

Hence, the area is

[tex]Area = \frac{3}{4} cm^2[/tex]

Help me check my answer! :)
Use greater than, less than, or equal to sign to compare.
3/5 and 0.6
(i got equal to, just checking )

Answers

Answer:

yes its equal :)

Step-by-step explanation:

3/5= 0.6

Answer:

[tex]\huge\boxed{\sf Equal \ to}[/tex]

Step-by-step explanation:

=> 3/5 = 0.6

So,

=> 0.6 = 0.6

We'll use "equal to" sign.

Hope this helped!

~AnonymousHelper1807

need help i WILL MARK YOU BRANLEST HELP!!!!!

Answers

Ok here you all you need to find is you equation hinting towards the points stated on the graph. Graphing has never been my strong suit, but I can assure that your answer would be:

D: 8 = -4y - 3x

Use long to divide 34298 by 26 then select the true statement the quotient has a remainder of 4 the quotient has a remainder of 14 the quotient has a no remainder, the quotient has a remainder of 12

Answers

Answer:

the quotient has a remainder of 4

Step-by-step explanation:

The computation of the long division is shown below:

                       1 3   1     9                    

               --------------------------------  

            26           34298

                            26

               -------------------------------------(deduct)

                             82

                             78

                --------------------------------------(deduct)

                            49

                            26

                 ------------------------------(deduct)

                            238

                             234

                  --------------------------

                               4

hence, the first option is correct

Quesheip Use the number line below, where RS = 6y +2, ST=5y + 9, and RT= 13y - 1 a What is the value of y? b Find RS, ST, and RT. R S T a. What is the value of y? y=Type an integer or a decimal.)

Answers

Answer:

[tex]y = 6[/tex]

[tex]RS = 38[/tex]

[tex]ST = 39[/tex]

[tex]RT = 77[/tex]

Step-by-step explanation:

Given:

[tex]RS = 6y +2[/tex]

[tex]ST=5y + 9[/tex]

[tex]RT= 13y - 1[/tex]

Solving (a): The value of y

From the given parameters, we understand that

[tex]RT = RS + ST[/tex]

Substitute values for RS, ST and RT

[tex]13y - 1 = 6y + 2 + 5y + 9[/tex]

Collect Like Terms

[tex]13y - 6y - 5y = 1 + 2 + 9[/tex]

[tex]2y = 12[/tex]

Divide both sides by 2

[tex]y = \frac{12}{2}[/tex]

[tex]y = 6[/tex]

Solving (b):

The value of RS

Substitute 6 for y in [tex]RS = 6y +2[/tex]

[tex]RS = 6 * 6 + 2[/tex]

[tex]RS = 36 + 2[/tex]

[tex]RS = 38[/tex]

The value of ST

Substitute 6 for y in [tex]ST=5y + 9[/tex]

[tex]ST = 5 * 6 + 9[/tex]

[tex]ST = 30 + 9[/tex]

[tex]ST = 39[/tex]

The value of ST

Substitute 6 for y in [tex]RT= 13y - 1[/tex]

[tex]RT = 13 * 6 - 1[/tex]

[tex]RT = 78 - 1[/tex]

[tex]RT = 77[/tex]

Answer:

Guy who answered first is wrong it’s 5 not 6

Step-by-step explanation:

Find the length of the arc
A.8 pie ft
B.32 pie ft
C.64 pie ft
D. 361 pie/ 12 ft

Answers

Answer: Choice A. 8pi  feet

======================================================

Explanation:

The perimeter around the circle is known as the circumference

The full circumference of a circle with radius r is

C = 2*pi*r

In this case, r = 16 is the radius, so,

C = 2*pi*r

C = 2*pi*16

C = 2*16*pi

C = 32pi

is the full distance around the circle. But we only want 90/360 = 1/4 of that total distance. So take 1/4 of 32pi to get

(1/4)*32pi = (1/4*32)pi = 8pi

The arc length is exactly 8pi feet long

Approximately this is about 25.13274 feet

The length of the arc is exactly 8π feet long.

To find the length of the arc.

What is circle?

A circle is a closed two-dimensional figure in which the set of all the points in the plane is equidistant from a given point called “centre”.The perimeter around the circle is known as the circumference.

Given that:

Ф=90°

r=16 feet

The perimeter around the circle is known as the circumference.

The circumference of a circle with radius r is

C = 2*π*r

C = 2*π*16

C = 2*16*π

C = 32π

But we only want 90°/360° = 1/4 of that total distance. So multiply 1/4 to 32π to get.

=(1/4)*32π

= (1/4*32)π

= 8π

Therefore, the length of the arc is exactly 8π feet long.

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