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3 years ago

How many faces does the shape have

Mathematics

2 answers:

Andrew [12]3 years ago

8 0

Answer:

5 faces.............

DaniilM [7]3 years ago

6 0

Answer:

5 faces

Step-by-step explanation:

4 triangular, 1 square

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Factorize please help me <img src="https://tex.z-dn.net/?f=a%20%7B%7D%5E%7B2%7D%20%20-%204b%20%7B%7D%5E%7B4%7D

Vsevolod [243]

Answer:

$(a+2b^{2} )(a-2b^2)$

Step-by-step explanation:

You have what is called "perfect squares" so you can use the "difference of squares formula to factor:

$a^2-b^2=(a+b)(a-b)$

So,

$a^2-(2b^2)^2$

you can work the equation backward now and you will get your original equation.

8 0

3 years ago

Please help with equivalent ratios

jekas [21]

Answer:

The price for each pound of tuna is not always the same.

Step-by-step explanation:

What we do is divide the price by the amount of tuna to find the price for each amount of tuna

For the 1st one, we have $8 for 2 tuna so we do 8/2

8/2 = 4

For the 2nd we have $16 for 4 so we do 16/4

16/4 = 4

For the 3rd, we have $27 for 9 so we do 27/9

27/9 = 3

8 0

2 years ago

4564644*4434688=124x^2

Anna [14]

Answer:

Step-by-step explanation:Let's solve your equation step-by-step.

(4564644)(4434688)=124x2

Step 1: Simplify both sides of the equation.

20242771971072=124x2

Step 2: Subtract 124x^2 from both sides.

20242771971072−124x2=124x2−124x2

−124x2+20242771971072=0

Step 3: Subtract 20242771971072 from both sides.

−124x2+20242771971072−20242771971072=0−20242771971072

−124x2=−20242771971072

Step 4: Divide both sides by -124.

−124x2

−124

−20242771971072

−124

x2=

5060692992768

Step 5: Take square root.

x=±√

5060692992768

x=404039.801328,−404039.801328

Answer:

x=404039.801328,−404039.801328

3 0

3 years ago

of 320 consumers polled, some purchase blu-ray movies, some only purchase movies on dvd, and some do both. if 300 people polled

Helga [31]

Answer:

20 people only buy dvds.

Step-by-step explanation:

There are two groups in this problem. One group of people that buys dvds and one that buys blu rays. The total amount of people who buy blu rays is 300, but there's an intersection between the groups and the size of this is 280 people who actually buy both. In order to find out how many people only buy DVDs we first need to figure out how many only buy blu-rays. That is:

people who only buy blu rays = people who buy blu rays - people who buys blu rays and dvds

people who only buy blu rays = 300 - 280 = 20

We can now calculate the amount of people who only buy dvds and that is:

people who only buy dvds =total amount of people - ( people who only buy blu rays + people who buy both)

people who only buy dvds = 320 - (20 + 280) = 320 - 300 = 20 people

3 0

3 years ago

Alguien me puede ayudar porfavor en la pregunta 28

Valentin [98]

Hola,

no habla espanol muy bueno pero voy a tratar a ayudarlo. podemos simplificar 6/15; simplemente divide por 3. el resultado es 2/5, no 3/5. entonces, 6/15 no es equivelente al 3/5.

4 0

3 years ago

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