Define parallelogram

Answers

Answer 1

Answer: A parallelogram is a four-sided plane rectilinear figure with parallel opposite sides.

Hope this helped :)

Answer 2

Answer: Hello,

A parallelogram is a quadrilater having a center of symmetry.

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Which of the following is a zero for the function f(x) = (x − 15)(x + 1)(x − 10)?X=-15
X=-10
X=1
X=15

Answers

we have the function

$f(x)=(x-15)(x+1)(x-10)$

we know that

The zero's of the function are the values of variable x when the value of the function is equal to zero

in the given function the zero's are

$x=15\nx=-1\nx=10$

therefore

the answer is

$x=15$

The answer should be x=15 because once u subtract 15-15 u get 0 and then u substitute 15 in "x" and then. Multiply 0 by everything else n u get 0:))

Help the image says it all

Answers

Answer:

use distance formula and solve it

Step-by-step explanation:

this formula is in co ordinate geometry class 10 ncert book

Answer:

5 sqrt(10) square units

Step-by-step explanation:

The coordinates of the points A, B, and C are (-6,-2), (2,-8), and (-4,-6), respectively.

To find the area of a triangle, we can use the following formula:

Area of a triangle = 1/2 * base * height

We can use the distance formula to find the length of the base, which is AB:

$d(A,B) = sqrt((x2 - x1)^2 + (y2 - y1)^2)$

Substituting the coordinates of A and B, we get:

$d(A,B) = sqrt((2 - (-6))^2 + (-8 - (-2))^2) = sqrt(64 + 36) = 10$

Now, we need to find the height of the triangle. The height of a triangle is the perpendicular distance from a vertex to the opposite base. In this case, we can draw a perpendicular line from C to AB:

[Image of triangle ABC with line segment CD drawn perpendicular to AB]

The length of CD is the height of the triangle. We can use the distance formula to find the length of CD:

$d(C,D) = sqrt(((-7) - (-4))^2 + (-5) - (-6))^2) = sqrt(9 + 1) = sqrt(10) \n$

Now, we can find the area of the triangle:

Area of triangle ABC = 1/2 * base * height = 1/2 * 10 * sqrt(10) = 5 * sqrt(10)

Therefore, the area of triangle ABC is 5 square roots of 10 square units.

NOTEIFYOUFINDTHISANSWERUSEFULLINANYWAYTHENPLEASECONSIDERGIVE5STARTANDNOTFORGETTOMAEKASBRAINIST.THISSMALLSTEPSEEMSEASYBUTHAVEAGREATIMPACTONSOMEONE.

Based on the given information, what can you conclude, and why? Given: <H congruent to <L; Line HJ congruent to Line JLA. <HIJ congruent to <LKJ by ASA
B. <HIJ congruent to <JLK by SAS
D. <HIJ congruent to <LKJ by SAS

Answers

Similar triangles may or may not be congruent.

The true statement is: A. <HIJ congruent to <LKJ by ASA

The given parameters are:

$\mathbf{\angle H \cong \angle L}$

$\mathbf{HJ \cong JL}$

The above highlights imply that:

$\mathbf{\angle J \cong \angle J}$

This means that, the angle at point J in both shapes are also congruent.

By that, the two shapes have two congruent angles and one congruent side.

So, we can conclude that, triangles HIJ and LKJ are congruent by ASA theorem of similar triangles

Hence, (a) is true

Read more about similar and congruent triangles at:

brainly.com/question/19589236

HELP ASAP I NEED THIS DONE.

Answers

26 - add all the sides

Please help me as soon as u can!!

Urgent

thankssss

Answers

Q2 Answer: Experimental = 60%, difference = 10%

Step-by-step explanation:

The prime numbers between 1 and 8 are: 2, 3, 5, and 7.

Theoretical: $(4(prime))/(8(total)) = 50\%$

Experimental: $(12(prime))/(20(total)) = 60\%$

Experimental - Theoretical

= 60% - 50%

= 10%

Problem 1

To find the sample mean, we simply add up all the 40 items and then divide by 40

I will add up the values row by row, and then add up the subtotals to get the grand total

row1: 39+31+38+40+29 = 177

row2: 32+33+39+35+32 = 171

row3: 32+27+30+31+27 = 147

row4: 30+29+34+36+25 = 154

row5: 30+32+38+35+40 = 175

row6: 29+32+31+26+26 = 144

row7: 32+26+30+40+32 = 160

row8: 39+37+25+29+34 = 164

Add up the subtotals: 177+171+147+154+175+144+160+164 = 1292

Divide this over 40: 1292/40 = 32.2

So the sample mean is therefore 32.2

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

To find the proportion of defective items, we count the number of times a value less than 26 shows up. That happens exactly two times. The first in row 4 (at the end of this row) is where a 25 shows up. Another copy of 25 shows up in row 8 (bottom row). There are no other values that are less than 26.

Divide this count (2) over the total sample size (40) and we get 2/40 = 1/20 = 0.05

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

In summary, 32.2 will go in the first box while 0.05 will go in the second box.

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

Problem 2

There are 4 values we want (2,3,5,7) out of 8 total (1,2,3,4,5,6,7,8) so 4/8 = 0.50 = 50% is the theoretical probability

This is the list of values given to us (I broke it up to help make the numbers more readable)

3, 4, 5, 2, 7

1, 3, 7, 2, 6

2, 1, 7, 3, 6

1, 8, 3, 5, 6

Of that list, the primes {3, 5, 2, 7, 3, 7, 2, 2, 7, 3, 3, 5} show up. There are 12 primes in this list out of 20. So the experimental probability is 12/20 = 3/5 = 0.60 = 60%

Therefore, the answer that goes in the "experimental probability" box is 60. The answer that goes in the second box is not 50%. I think your teacher is aiming for "10" to go in the second box because 60% is 10 percentage points higher than 50% (which was the theoretical probability found earlier)

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

In summary, 60 will go in the first box while 10 will go in the second box.

2+7x=4-3x I need help solving

Answers

X=1 for the first equation for the second X=9 Because 2+7=9*1=9 then you do 4-3=1*9. GOOD LUCK!(:

   2 + 7x = 4 - 3x
      + 3x + 3x
   2 + 10x = 4
- 2    - 2
   10x = 2
      10 10
   x = 0.2

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