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3 years ago

HELP ASAP

Mathematics

2 answers:

yan [13]3 years ago

7 0

The answer is c just believe me

Darya [45]3 years ago

3 0

Answer:

C, 18.

Step-by-step explanation:

Since 24 divided by 8 is 3, which means that

8x3 = 24, then the amount of boys must be solved using the equation 6x3 which equals 18.

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Brayden is simplifying the expression 4n – (n – 3)2. He begins by distributing the negative to the terms inside the parentheses.

RoseWind [281]

The right approach would be:
4n - (2n - 6)
4n - 2n + 6
2n+6

The options confused me. So pick the answer based on the solution.

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3 years ago

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Please please answer What is 4328 divided by 4

Lerok [7]

It is 1082.

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3 years ago

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The temperature, T, of a given mass of gas varies inversely with its Volume,V. The temperature of 98 cm ³ of a certain gas is 28

Naily [24]

Answer:

T₂ = 421.4 K

Step-by-step explanation:

The temperature, T, of a given mass of gas varies inversely with its Volume,V.

$T\propto \dfrac{1}{V}\\\\V_1T_1=V_2T_2$

We have,

V₁ = 98 cm³, T₁ = 28° C = (28+273) K = 301 K

V₂ = 70 cm₃

We need to find the new temperature of the gas. Using the above relation to find T₂.

$T_2=\dfrac{V_1T_1}{V_2}\\\\T_2=\dfrac{98\times 301}{70}\\\\T_2=421.4\ K$

Hence, the required temperature of the gas is 421.4 K.

4 0

3 years ago

Joseph’s lunch at a restaurant costs $13.00, without tac. He leaves the waiter a tip of 17% of the cost of the lunch, without ta

KonstantinChe [14]

The answer is D

17% of 13 is 2.21

13 + 2.21 = 15.21

3 0

4 years ago

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A sample from 16 shortstops was obtained in an effort to determine whether shortstops have higher salaries than other players. T

marissa [1.9K]

Answer:

1.16 to 2.75

Step-by-step explanation:

The mean salary (millions of dollars) for shortstops was 1.95.

$\bar{x}=1.85$

The population mean for all baseball players was 1.85

$\mu = 1.85$

The population standard deviation was 1.61.

$\sigma = 1.61$

Formula of confidence interval : $x-z\times \frac{\sigma}{\sqrt{n}}$ to $x+z\times \frac{\sigma}{\sqrt{n}}$

z at 95% confidence level = 1.96

Substitute the values in the formula

Confidence interval : $1.95-1.96\cdot\frac{1.61}{\sqrt{16}}$ to $1.95+1.96\cdot\frac{1.61}{\sqrt{16}}$

Confidence interval : 1.16 to 2.75

Hence the 95 percent confidence interval for these data is 1.16 to 2.75

8 0

3 years ago