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quester [9]
3 years ago
13

Can someone check this for me please 20=2x-5 Answer:12.5

Mathematics
1 answer:
cluponka [151]3 years ago
8 0

Answer:

You are correct

Step-by-step explanation:

I hope this helps

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Why might a researcher use a sample rather than an entire population for their study?
cestrela7 [59]

Answer:

c

Step-by-step explanation:

its easier to take a group of 100 or something random people than a whole population.

6 0
3 years ago
Is the mean or median a better measure for a typical amount of water water produced in the experiment? Explain
azamat

Answer:

mean

Step-by-step explanation:

because its all of the amounts of water added together and divided by the number of different amounts

3 0
3 years ago
Uma loja de equipamentos eletrônicos anunciou um celular com duas opções de venda. Na primeira opção, o pagamento pode ser feito
Lena [83]

Responda:

Preço = $ 400

Explicação passo a passo:

Dado que:

Primeira opção :

Pagamento em 5 investimento igual

Segunda opçao :

Pagamento feito em 8 iguais. Investimento

O preço por parcela do primeiro investimento é 30 a mais do que cada um do segundo

Deixe o preço do telefone = p

Valor por prestação = x

Segunda parcela:

Preço = 8x

Primeiro :

Valor por parcela = x + 30

P = 5 (x + 30)

Preço = 5x + 150

Portanto, igualando as duas equações:

8x = 5x + 150

8x - 3x = 150

5x = 150

x = $ 50

Usando qualquer das equações de preço:

Preço = 8x

Preço = 8 * 50

Preço do telefone = $ 400

3 0
3 years ago
Find the measurement of either the leg or the hypotenuse: A = B = 21 C =<br> 35
Varvara68 [4.7K]

Answer: x = 40.81 or 41

Step-by-step explanation:

A = B = 21

C = 35

Hypotenuse = x

Calculating Hypotenuse:

21^2 + 35^2 = x^2

=> 441 + 1225 = x^2

=> x^2 = 1666

=> x = 40.81 or 41

5 0
3 years ago
Second time...40 pts! Find the surface area of the model below (image included).
charle [14.2K]
5•8=40•2=80+(8•8)=144
5 0
3 years ago
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