angles
l'angle
surent
du
devoirs
à la maison
78 Le puzzle de Pythagore
1. a. Construire le triangle PIA rectangle en I tel
que Al = 6 cm, pl = 4,5 cm et PA = 7,5 cm.
b. Construire, à l'extérieur de ce triangle, trois
carrés PABO, LAID et PIRE.
2. Partager le carré LAID en 4 pièces de la
manière suivante :
- tracer la droite parallèle à (PA) passant par l:
- tracer la droite perpendiculaire à (PA) pas-
sant par D.
3. Découper et colorier les 4 pièces obtenues à
partir du carré LAID ainsi que le carré PIRE.
4. À l'aide de ces 5 pièces, reconstituer à la
manière d'un puzzle le carré PABO. Coller ainsi
ces pièces sur le carré PABO puis coller le tout
sur la copie.
5. En déduire une égalité entre les aires des trois
carrés PABO, LAID et PIRE.
6. En posant a = AI, b = PI et c = PA, retrouver
l'égalité de Pythagore dans le triangle PIA.
naque
com-
-que
poté-

Answers

Answer 1

Answer:

cvdgcbhxnjkmz,

Step-by-step explanation:


Related Questions

The POTW clubhouse needs to replace their front steps. A suggestion for the
steps is shown below. The steps are of equal depth and equal height. The steps
are 120 cm high, 120 cm from front to back and 100 cm wide
The stairs are to be painted gold and the two sides are to be painted black. One
of the two sides that is to be painted black is shaded in the diagram. The back
and bottom of the structure will not be seen and will not be painted.
Determine the total area to be painted gold and the total area to be painted
black

Answers

Answer:

What is the POTW clubhouse.

120x120x100= your answer.

the answer is 1,440,000. hope I helped

Answer:

120x120x100= your answer.

the answer is 1,440,000

Step-by-step explanation:

if p =(3
) and q=(-1 -3) find such that p-
q + 2r =(8 11)​

Answers

Answer:

i RLLY DON"T KNOW

Step-by-step explanation:

log x = log(x + 3) - log(x - 1)

Answers

First note that log(x) is defined only for x > 0; log(x + 3) for x > -3; and log(x - 1) for x > 1. So if we find any solutions x ≤ 1, these will be extraneous.

Condense the right side:

log(x) = log((x + 3) / (x - 1))

Let b be the base of the logarithm. Then writing both sides as powers of this b simplifies the equation to

b^log(x) = b^log((x + 3) / (x - 1))

x = (x + 3) / (x - 1)

Solve for x :

x (x - 1) = x + 3

x ² - x = x + 3

x ² - 2x - 3 = 0

(x - 3) (x + 1) = 0

x - 3 = 0   or   x + 1 = 0

x = 3   or   x = -1

We throw out x = -1 because it's less than 1, so the only (real) solution is x = 3.

Please find attached photograph for your answer.

Kiley had a piece of bamboo skewer that measured 14 inches long. She wanted to cut it into toothpicks that were each 3 inches long. How many toothpicks can she make?

Answers

Answer:

4 toothpicks

Step-by-step explanation:

14 inches divided by 3 inches equals 4 toothpicks plus 2 inches of extra leftover.

Help! GHJ Café sells Medium and large coffees to locals in Downtown Dallas. If 7 medium cups and 10 large cups of coffee are sold, the café makes $68.75 in sales. If 10 medium and 15 large cups are sold, the total sales is $101.25. How much does a large cup of coffee sell for at GHJ Café?

Answers

Answer:

Large cup cost $4.25

Step-by-step explanation:

Medium:  x

   Large:  y

Constraints:

  7x + 10y = 68.75

  10x + 15y = 101.25

Isolate y variable:

     (7x + 10y = 68.75) * -10    ===>    -70x - 100y =  -687.50

   (10x + 15y = 101.25) * 7       ===>     70x + 105y = 708.75

                                                        ____________________

   add the two equations                                 5y = 21.25

   divide by 5                                                      y = 4.25

Sheila's class recycles a total of 6 pounds of paper in 2
weeks. After 5 weeks, how many pounds of paper will
Sheila's class have recycled?

Answers

Answer:

It should be 15 pounds

Step-by-step explanation:

If you divide 5 weeks (the amount you need) by 2 weeks (the current ratio 6:2) then you get 2.5. Lastly just multiply 6 pounds to it (the other part of the ratio/ pounds per 2 weeks)

Please help! Find X:
5

31

10

60

Answers

Answer:

x=10

Step-by-step explanation:

About how much should the gratuity for the restaurant server be? Round the percent of gratuity to the nearest benchmark percent to find the answer.

$ _____

Answers

The gratuity of the hotel server has to be $8.

How to solve for the gratuity

The tax of the restaurant server is 8.5 percent

We have tro find this based on salary

40 dollars x 0.85 = 34

The income 34 - 18

= 16

Half of 16 = 8

Hence the amount that is the percentage of gratuity is 8 percent.

Read more on gratuity here:

https://brainly.com/question/689122

#SPJ1

Someone help asap

Enter the your answer in the box provided to fill in the black space that will make the equation true.



____(3 + 4) = 36 + 48

Answers

Answer:

12 will come in the blank

Step-by-step explanation:

Distributive property is used

a(b + c)  = a*b + a*c

36 + 48 = 12*3 + 12*4

           = 12(3 + 4)

Help now fast please

Answers

2y64xxy43x686ex4226xe

what is the sulotion of 3^2-[3-4(8-2^2]^2​

Answers

Answer:

70

Step-by-step explanation:

Evaluate the expression for x = 3, y=13, and z = 5.

12x−3y/4x−z


plz help

Answers

Hiya! The answer is 5.

I hope I was of assistance! #SpreadTheLove <3

How can the figure below be changed so that it has exactly one lines of symmetry?
B
C
D
Move point Done unit to the left.
Move point C two units to the right.
Move point B one and one-half units to the left.
Move point A one unit to the right.

Answers

Answer:

Mov

Step-by-step explanation:

move point b one and one half units to the left


A copy machine makes 126 copies in 4 minutes and 30 seconds. How many copies does it make per minute?

Answers

Answer:

it makes about 41 copies per minute

it makes 41 copies ;)

PLS HELP ME ASAP I NEED HELP

Answers

Answer:that’s too hard

Step-by-step explanation:

In triangle OPQ, p = 38 cm, q = 29 cm and Angle O=39º. Find the length of o, to the nearest
centimeter.

Answers

Answer:

The length of o is 24 centimeters

Step-by-step explanation:

In Δ OPQ

∵ Side p is opposite to ∠P

∵ Side q is opposite to ∠Q

∵ Side o is opposite to ∠O

→ To find side o we must use the cosine rule

∴ o = [tex]\sqrt{p^{2}+q^{2}-2(p)(q).cos(O) }[/tex]

∵ p = 38 cm

∵ q = 29 cm

∵ m∠O = 39°

→ Substitute them in the rule to find o

∴ o = [tex]\sqrt{(38)^{2}+(29)^{2}-2(38)(29).cos(39)}[/tex]

∴ o = 23.92008154

→ Round it to the nearest centimeter (whole number)

o = 24 centimeters

The length of o is 24 centimeters

PLZZZZZZZZZZZZZZZZ
Solve each equation for the variable. Show every step in your work

-5x+12=20

Answers

Answer:

x = -(8/5)  or  -([tex]\frac{8}{5}[/tex])

Step-by-step explanation:

-5x+12=20

-5x=20-12

-5x=8

x = -(8/5)  or  -([tex]\frac{8}{5}[/tex])

Answer:

×=(-1.6)

Step-by-step explanation:

First we want to subtract 12

Subtraction property of euality

-5x=8

Division property of equality

x=(-1.6)

Z1'1" H'EI'Ethi't'll 71'4
FRUM
health & wellness
POSTANOC-ARMA-SM0820
YO020_20_20179DM_M_Accepted 09082020
Yes

Answers

Answer:

what

Step-by-step explanation:

what

Circle the reason for each of the following manipulations used to simplify the product (8x^2) (3x^7) ?

Answers

Answer:

fgd

Step-by-step explanation:

Find the lcm of 13 and 49

Answers

Answer:

637

Step-by-step explanation:

13 * 49 = 637

Answer:

it's 637 trust me ........

HELP PLEASE!!!!
Subtract: 7/8−1/2
14
38
58
34

Answers

Answer:

7/8 - 1/2

= 0.37

hope it helps!

Kate is 17 years old and victor is 12 years younger. In how many years will kate be twice as old as victor

Answers

Answer:

In 2 years

Step-by-step explanation:

When Kate turns 20, Victor will be 10.

20 is twice as much as 10 (10*2=20)

hope this helps!

Answer:

In 7 years Kate will be twice as old as Victor

Step-by-step explanation:

Victors age: 17-12=5

Kate's age:17+7=24

Victors age:5+7=12

24 divided by 2 equals to 12.

~~~~~~~

Check your answer

5+12=17

24-7=17

12-7=5

12*2=24

PLZZZZZZZZZZZZZZZZZZZZZZZZZ HELP!!!


FIND what was the mistake
and what is the correct answer

Answers

Answer:

Step-by-step explanation:

Instead of dividing both sides by 5, it is multiplied

5x + 3 = 6            {Subtract 3 from both sides}

5x + 3 - 3 = 6-3

            5x = 3       {Divide both sides by 5}

           5x/5 = 3/5

                 x = 3/5

a line through (2.4) with slope 0

Answers

y=4 is going to be the answer.

Answer:

y= 4

Step-by-step explanation:

y-b=m(x-a)

y-4=0(x-2)

y-4=0

y=4

Find x AND the length of each side if FGH is an equilateral triangle. (Round to the nearest tenth if needed)

Answers

Answer:

x = 3

Each side is 19

Step-by-step explanation:

HF = FG = HG cuz this is an equilateral triangle, meaning all sides are equal.

What is 160% of 40? Four students solved this problem and their work is shown below. Choose the student whose work is correct. Cam's work. 16 times 40 = 00 .00 + 640 = 640. Gitana's work. 1.6 times 40 = 00. 00 + 640 = 64.0. Naoko's work. 0.16 times 40 = 00. 00 + 640 = 6.40. Sanjay's work. 160 times 40 = 00. 00 + 6400 = 6400.

Answers

Answer:

Gitana's work is correct

Step-by-step explanation:

Divide 40 with 100 then multiply it by 160

40 ÷ 100 × 160 = 64

Answer:

Gitana is correct.

Step-by-step explanation:

What is the measure of angle DEC?

Answers

Answer:

95

Step-by-step explanation:

dct equals 140, dct also equal det plus edc, so 140 - 45 = 95

Have to find x and y . Please help!

Answers

Answer:

Step-by-step explanation:

x can be anything so let’s use 0, 1, 2, and 3 for x values

to find the y values, we just plug in the x values into the equation

when x = 0

y = 5/4(0) -2

y = 0 -2

y = -2

(0, -2) (x = 0, y = -2)

when x = 1

y = 5/4(1) -2

y = 5/4 -2

y = 5/4 -8/4

y = -3/4

(1, -3/4) (x = 1, y = -3/4)

when x = 2

y = 5/4(2) -2

y = 10/4 -2

y = 5/2 -4/2

y = 1/2

(2, 1/2) (x = 2, y = 1/2)

when x = 3

y = 5/4(3) -2

y = 15/4 -2

y = 15/4 -8/4

y = 7/4

(3, 7/4) (x = 3, y = 7/4)

Answer:

Table shown below

Step-by-step explanation:

Table of Values

We are given the function:

[tex]\displaystyle y=\frac{5}{4}x-2[/tex]

And it's required to fill the table of values for x and y with the condition that there are only integers.

Given the expression has a denominator of 4, to ensure there are no decimals in the results, we select values of x that are multiple of 4.

Select the values: {-4,0,4,8}

Now calculate the corresponding values of y.

x=-4

[tex]\displaystyle y=\frac{5}{4}(-4)-2=-5-2=-7[/tex]

y=-7

x=0

[tex]\displaystyle y=\frac{5}{4}(0)-2=0-2=-2[/tex]

y=-2

x=4

[tex]\displaystyle y=\frac{5}{4}(4)-2=5-2=3[/tex]

y=3

x=8

[tex]\displaystyle y=\frac{5}{4}(8)-2=10-2=6[/tex]

y=8

The filled table is shown in the attached image

Write the equation of the line that is PARALLEL to y = -4x + 5 and passes through the point (-2,-1)

Answers

Answer: y    = -4x-9

Step-by-step explanation:

parallel slope means it's the same slope as the given equation

y+1=-4(x+2)

y+1 = -4x-8

y    = -4x-9

Given that I pint = 0.5 quarts, complete the conversion 76 pints= ?

Answers

Answer:

Step-by-step explanation:

38 quarts

Since 1 pint equals 0.5, we multiply 0.5 with 76:

0.5 x 76 = 38

76 pints equals 38 quarts

your welcome :) (btw can you please give brainly)

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