Which statement has a false converse?

A If a quadrilateral is a rectangle, then the diagonals of the quadrilateral are

congruent.

B If a quadrilateral has diagonals that bisect each other, then the quadrilateral is a

parallelogram

C if a quadrilateral is a rectangle, then all angles of the quadrilateral are right angles.

D If a quadrilateral is a parallelogram, then both pairs of opposite sides of the

quadrilateral are congruent.

Answers

Answer 1

Answer:

B If a quadrilateral has diagonals that bisect each other, then the quadrilateral is a parallelogram

Explanation:

A rectangle just like a square has diagonals that bisect each other and they are congruent( two lines are congruent if they are equal). A parallelogram is a quadrilateral with parallel sides and when its diagonals intersect, they are congruent too. Therefore a rectangle with diagonals that bisect each other is not necessarily a parallelogram.


Related Questions

How much water do you add:
To make 25% sugar syrup using 15g of sugar?

Answers

Answer:

amount of water required = 45 g

Step-by-step explanation:

Answer:

45g

Step-by-step explanation:

Your class is in groups, working on a combinatorics worksheet. One of the questions asks how many possible ways 5 books out of a box of 12 can be placed on a shelf. Your classmate suggests you calculate 12C5, which is 792. What would you say to explain how this suggestion is flawed, and how would you help correct them

Answers

Answer: 95040

Step-by-step explanation:

It is important to note that selection and arrangement are two different things in permutation and combination study. In the scenario above, we have 12 books, out of which 5 is to be arranged on a shelf. The answer prescribed by 12C5 which gives 792, only solves the selection process of choosing 5 books from a total of 12. Every 5 books picked will also have to be arranged on the shelf which is solved as n!(number of ways of arranging n different objects)

Hence, to arrange 5 books from a total of 12 books on a book shelf is

nCr * r!

12C5 * 5!

792 * 120

= 95040

triangle sum theorem
i will give brainliest

Answers

Answer:

The answer is b=128

Step-by-step explanation:

25+27=52

180-52=128

Answer:

∠A + ∠B + ∠C = 180°

⇒ 25° + 27° + ∠B= 180°

⇒ 52° + ∠B= 180°

Subtract both sides by 172°

⇒ 52° – 52° + ∠B = 180° – 52°

Therefore, ∠B = 128°

Symify 9 to the 2 power / 9 to the 7 power

Answers

9514 1404 393

Answer:

  1/9^5

Step-by-step explanation:

  [tex]\dfrac{9^2}{9^7}=\dfrac{9\cdot 9}{9\cdot 9\cdot 9\cdot 9\cdot 9\cdot 9\cdot 9}=\dfrac{1}{9\cdot 9\cdot 9\cdot 9\cdot 9}=\boxed{\dfrac{1}{9^5}}[/tex]

_____

An exponent is an indicator of repeated multiplication. As you can see, factors in the numerator cancel those in the denominator, so the result is the difference of the exponents.

What is the slope of the line that passes through the points
10, -8) and
(-8, -16)? Write your answer in simplest form.

Answers

Step-by-step explanation:

(10, -8) (-8, -16)

(-16+8)/(-8-10) = -8/-18= 4/9 is the slope

Can someone help me? Thank you!

Answers

Answer:

I believe that the one that is NOT true is Option, letter C.  Pls mark brainliest.

Answer:The answer is D

Step-by-step explanation:The Line could intercept the x axis but Sometimes it can only intercept the x axis such as x=7 it only intercepts (7,0) and not (0, any real number.) so that is why that is the answer.

Also brainly pls.

why is 4320 divisible by 3, 9, and 10

Answers

Answer:

One integer A is divisible by another integer B,

if after dividing them, A ÷ B, the remainder is zero.

4,320 is divisible by 10, if there is an integer 'n' such that 4,320 = 'n' × 10.

Notice that dividing our numbers leaves no remainder:

4,320 ÷ 10 = 432 + 0;

So, 4,320 = 432 × 10;

=> 4,320 is divisible by 10.

10 is called a divisor (a factor) of 4,320.

10 | 4,320

The shorthand notation A | B means A divides B.

4,320 is a multiple of 10.

Note that this is also the first step of the Euclidean Algorithm, where the division of the numbers stops when a remainder equal to zero is reported.

4,320 is divisible by 10:

10 | 4,320

Step-by-step explanation:

Use the graph to find the slope and y-intercept to write the equation in slope-intercept form.

On a coordinate plane, a line goes through points (negative 2, 0) and (0, negative 1).

The graph shown is y =
x +
.

Answers

Answer:

[tex]m = -\frac{1}{2}[/tex]

[tex]y\ intercept = -1[/tex]

[tex]y = -\frac{1}{2}x -1[/tex]

Step-by-step explanation:

Given

[tex](x_1,y_1) = (-2,0)[/tex]

[tex](x_2,y_2) = (0,-1)[/tex]

Required

Determine the slope and y intercept from graph

To calculate the slope, we have:

[tex]m = \frac{y_2 - y_1}{x_2 - x_1}[/tex]

[tex]m = \frac{-1-0}{0 - (-2)}[/tex]

[tex]m = \frac{-1}{0 +2}[/tex]

[tex]m = -\frac{1}{2}[/tex]

The y intercept is when [tex]x = 0[/tex]

So,

[tex]y\ intercept = -1[/tex]

The equation is then calculated using:

[tex]y = m(x - x_1) + y_1[/tex]

This gives

[tex]y = -\frac{1}{2}(x - (-2)) + 0[/tex]

[tex]y = -\frac{1}{2}(x - (-2))[/tex]

[tex]y = -\frac{1}{2}(x +2)[/tex]

[tex]y = -\frac{1}{2}x -\frac{1}{2}*2[/tex]

[tex]y = -\frac{1}{2}x -1[/tex]

See attachment for graph

Answer:

The graph shown is y = -1/2

x +-1 .

Step-by-step explanation:

did on edge

Answer two questions about Systems AAA and BBB: System AAA \text{\quad}start text, end text System BBB \begin{cases}5x+y=3\\\\4x-7y=8\end{cases} ⎩ ⎪ ⎪ ⎨ ⎪ ⎪ ⎧ ​ 5x+y=3 4x−7y=8 ​ \begin{cases}5x+y=3\\\\x+8y=-5\end{cases} ⎩ ⎪ ⎪ ⎨ ⎪ ⎪ ⎧ ​ 5x+y=3 x+8y=−5 ​ 1) How can we get System BBB from System AAA?

Answers

Answer:

First One is C and the second one is A

Step-by-step explanation:

I got it wrong then found out the answers

Systems of equations are collection of multiple equations

We can get system B from system A by: subtracting both equations in system A and by bringing the first equation of system A

The systems of equations are given as:

System A

5x + y = 3

4x - 7y = 8

System B

5x + y = 3

x + 8y= -5

Subtract 4x - 7y = 8 from 5x + y = 3

So, we have:

[tex]\mathbf{5x - 4x + y+7y = 3 - 8}[/tex]

[tex]\mathbf{x + 8y =- 5}[/tex]

This means that, we can get system B from system A by:

Subtracting both equations in system AAnd by rewriting the first equation of system A

Read more about systems of equations at:

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7. Put these numbers into greatest to least order: 8.25, 8.52, 8.45, 8.54, 8.504

Answers

Answer:

8.54, 8.504, 8.52, 8.45, 8.25

Step-by-step explanation:

Can you guys help me with integers it these four problems for the first image do 18 and 19 for the second it’s 7 and 11 please help I need it before 6:00 pm please look up the answers if you have to whoever answers these questions correctly I will mark brainliest.

Answers

Answer:

18. 20,000.

19. 0

7. 1

11. 101

Step-by-step explanation:

18. I think is stays the same, because an integer is a number that is not a fraction. So still 20,000.

19. Sea level is at zero altitude. So answer is 0.

7. |17-16| = |1| = 1. The lines around it are called absolute value signs and mean to make the answer positive.

11. |-101| = 101. As said before the lines mean to make the inside part positive.

Simplify the expression 3s - 3s 35 - 3s =​

Answers

Answer:

6s-35

Step-by-step explanation:

not sure

6s-35. Use a simplifying calculator, it will be much easier for you!!

At a football stadium, 20% of the fans in attendance were teenagers. If there
were 120 teenagers at the football stadium, what was the total number of
people at the stadium?

Answers

Answer:cgffffffffh

Step-by-step explanation:

Answer:600

Step-by-step explanation:

10%= 60 people

Multiply 60x10 to reach 100%

100%= 600 people

he line of symmetry for the quadratic equation y = ax 2 - 8x - 3 is x = 2. What is the value of "a"?

A. -2
B. -1
C. 2

Answers

9514 1404 393

Answer:

  C. 2

Step-by-step explanation:

When the coefficients of the standard-form quadratic are a, b, and c, the equation of the line of symmetry is ...

  x = -b/(2a)

Solving for 'a', we find ...

  a = -b/(2x)

For the given values b=-8 and x=2, the value of 'a' is ...

  a = -(-8)/(2·2) = 8/4 = 2

The value of "a" is 2.

Select the correct symbol

Answers

Answer:

C

Step-by-step explanation:

[tex]\sqrt{33} =5.74...\\\frac{16}{3} =5.33...[/tex]

Answer:

a is the correct answer let me know

PLS HELP!!!! WILL GIVE BRAINLIEST!!!!

Write the slope-intercept inequality for the graph below. If necessary, use <=
fors or >= for
(0,4)
(-3,0)

Answers

(3,0) (-4,0)

not for sure but still mark brainliest cause i need it ✋ im doing bad rn

97 - 3 + 5³ ÷ 25 × 2 ×3² =

Answers

Answer:

139

Step-by-step explanation:

PEMDAS or Order of Operations

Joyce paid $50 for an item at the store that was 45 percent of the original price. What was the original price?

Answers

Answer:

$69 is the original price

Step-by-step explanation:

Look aboveee

Original price of the item is $111.1

What is percentage?

Percentage, a relative value indicating hundredth parts of any quantity.

A percentage is a number or ratio that can be expressed as a fraction of 100.

According to the question

Joyce paid $50 for an item at the store that was 45 percent of the original price.

Let original price be x

Based on the given conditions

45% of x = 50

⇒ 0.45x = 50

⇒ 0.45x = 50

⇒ x  = [tex]\frac{50}{0.45}[/tex]

⇒ x = $111.1

Thus, original price of the item is $111.1.

Find out more information about percentage here

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which expression is equivalent to:​

Answers

B, you flip the first fraction change the sign and keep the last fraction the same.

D. (3/5)(9/7)

Since 3/5 divided by 7/9 equals 27/35 and (3/5)(9/7) equals 27/35 they are equivalent.

PLEASE ANSWER ASAP !!!!!!!!!!!!!!!!!!! WILL GET BRAINLEST IF CORRECT!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

2x+30 = 90 (Choice A)

definitely choice A. 2x+30=90

Round 13.045 to the nearest whole number.

Answers

Answer:

13. it says nearest whole number.

Step-by-step explanation:

Answer: 13

Step-by-step explanation:

PLEASE HELP WITH THESE QUESTIONS I HAVE 5 MINUTES LEFT

What is 4 superscript 5 written in expanded form?
O 4 + 4 + 4 + 4 + 4
O 4 times 4 times 4 times 4 times 4
O 5 + 5 + 5 + 5
O 5 times 5 times 5 times 5

Answers

Answer:

4+4+4+4+5

Step-by-step explanation:

is 5 times the number only expanded

Answer:

4+4+4+4+5

Step-by-step explanation:

Find the equation of the given line.

Answers

Answer:

y=2/3x+1

Step-by-step explanation:

m= (slope)

b= (y-intercept

There are 60 dogs at the doggie daycare, 1/3 of the dogs are large dogs, 1/6 of the dogs are medium dogs, and the rest are small dogs. How many small dogs are there? (HOW DID YOU GET YOUR ANSWER PLEASE SHOW YOUR WORK!!)
A. 1/17
B. 136
C. 30
D. 2/19
E. 25

Answers

Answer:

C. 30

Step-by-step explanation:

First, you want to make the two fractions have the same denominator. This means, that instead of saying that 1/3 of the dogs being large, you would say that 2/6 of the dogs are large. Then, combine the amount of large and medium dogs, making large and medium dogs 3/6 of all the dogs. The amount of small dogs must complete this fraction, so now we know that 3/6 of the dogs are small. This means half of the dogs are small dogs. Divide 60 by 2, and you have your answer.

The answer would be 30 small dogs

1/3×60 =20 = 20 large dogs

1/6×60=10= 10 medium dogs

20+10=30

60-30=30 = 30 small dogs

Do I have the right answer?

Answers

Yes, I think I’m not sure correct me if I’m wrong .

Daughter’s current age is 6 years which is 1/5 th of her mother’s age. After how many years mother’s age will be three times greater than daughter’s age.

Answers

Answer:

6 years

Step-by-step explanation:

6 = ⅕m

m = 30

"mother's age will be three times greater than daughter's age"—Not sure what "three times greater than" means. I will interpret it as: "mother's age will be three times daughter's age."

In x years, mother will be 30+x and the daughter will be 6+x.

30+x = 3(6+x) = 18+3x

12 = 2x

x = 6

In 6 years, the mother will be 36 and the daughter will be 12.

(+50)x(-10)

Respuesta, explicación, operación completa

Answers

Answer:

-500

Step-by-step explanation:

Solve for m:

14m = 35
A. m = 5/3
B. m = 3/4
C. m = 2/5
D. m = 5/2

Answers

Answer:

D. m = 5/2

Step-by-step explanation:

35 / 14 = m

35 / 14 = 2.5

2.5 as a fraction is 5/2

The equivalent value of m is given by the expression m = 5/2

What is an Equation?

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.

It demonstrates the equality of the relationship between the expressions printed on the left and right sides.

Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.

Given data ,

Let the equation be represented as A

Now , the value of A is

Substituting the values in the equation , we get

To solve for m, we need to isolate m on one side of the equation by dividing both sides by 14:

14m/14 = 35/14

Simplifying, we get:

m = 35/14

On further simplification of the equation , we get

m = (35/7)/(14/7)

m = 5/2

Hence , the equation is m = 5/2.

To learn more about equations click :

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Find the value of x when y=13. Y=-3x+4

Answers

Answer: x= -3

Explanation:
If y is equivalent to 13 then our equation would be

13=-3(x)+4

To receive what x is then you’d have to switch it around and find it as

3x+13=4

And 3x=-9

If you divide both sides by 3 then

x=-3

That’s the best I can do to explain it

4.)Given m = 1/2 and the point (3, 2), which of the following is the point-slope form of the equation?


y - 2 = 1/2(x - 3)


y + 3 = 1/2(x + 2)


y - 3 = 1/2(x - 2)


y + 2 = 1/2(x + 3)

Answers

Answer:

y - 2 = 1/2(x - 3)

Step-by-step explanation:

Please let me know if you want me to add an explanation as to why this is the answer/how I got this answer. I can definitely do that, I just wouldn’t want to write it if you don’t want me to :)

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