Mathematics High School

What percent of $15 is $9?


PLEASE HELPPP :((

Answers

Answer 1
60% should be the right answer luv
Answer 2

60 percent of $15 is $9.

What is percentage?

Percentage is defined as a given part or amount in every hundred. It is a fraction with 100 as the denominator and is represented by the symbol "%".

Let x be the unknown percent.

Here, x% of 15 =9

⇒ x/100 ×15=9

⇒ 15x=900

⇒ x=900/15

⇒ x=60%

Therefore, 60 percent of $15 is $9.

To learn more about the percentage visit:

brainly.com/question/24159063.

#SPJ2

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Function y=x+4 is _ than the function in the table
A. Greater than
B. Less than
C. Equal to

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The answer to your question is c

Mrs. Smith uses an automatic bill pay service to pay their monthly electric bill. So far this
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I think the answer is $105.42 per month

Im really dumb i need help and can you also explain it

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Answer: 11.67

Proportion:

12 = x
— —
6 5

Cross multiply.

70= 6x
Divide each side by 6

X= 11.67

Emily bought 2 burgers and 4 drinks for $20. Deja bought 2 burgers and 2 drinks for $14. What was the cost of each burger and each drink? HURRY IN TEST RN

Answers

Burgers cost $4
Drinks cost $3

8. Evaluate the expression for x = 2
and y = 3.
16x0 + 5x2•y1

Answers

Answer:

The answer is 60.

Step-by-step explanation:

16(2)0 + 5(2)2•(3)1

(16)(2)(0)+(5)(2)(2)(3)(1)

16×2=32×0=0 + 5×2=10×2=20×3=60×1=60

0+60=60

Como pasar una potencia de negativa a positiva ?

Answers

Answer:

Cuando tenemos un exponente negativo hay que INVERTIR LA BASE para pasar a exponente positivo. Fíjate que el poner el inverso de la base no significa cambiar el signo de la misma. Al final el signo del resultado dependerá de si el exponente es par o impar. Con las fracciones ocurre lo mismo.

y=x+2 y=-3X

solve system of equations algebraically
​

Answers

Answer:

(x,y) = -1/2 , 3/2

Step-by-step explanation:

Let y = x +2 ----- (1)

y = -3x ------ (2)

Put equal both sides x +2 = -3x

x = -3x -2

x +3x = -2

4x = -2

x = -1/2 Put it in 2nd equation

Y = -3 (-1/2)

y = 3/2

so (x,y) = -1/2 , 3/2

Hope you got it.

Please Mark as Brainliest.

(20 points) A random sample of =1200 n = 1200 registered voters and found that 620 would vote for the Republican candidate in a state senate race. Let p represent the proportion of registered voters who would vote for the Republican candidate. Consider testing 0:=.50 H 0 : p = .50 :>.50 H a : p > .50 (a) The test statistic is z =

Answers

Answer:

The test statistic is Z = 1.157

Step-by-step explanation:

Given that:

The sample size n = 1200

The sample proportion of those that will vote for the Republican candidate is represented by [tex]\hat p = \dfrac{x}{n}[/tex]

[tex]\hat p = \dfrac{620}{1200}[/tex]

[tex]\hat p =0.5167[/tex]

The null and the alternative hypothesis can be computed as:

[tex]H_o: P=0.50 \\ \\ H_a :P>0.50[/tex]

The formula for the one-sample Z-test for the population proportion can be expressed as:

[tex]Z = \dfrac{\hat p - P_o}{\sqrt{\dfrac{P_o(1-P_o)}{n}}}[/tex]

[tex]Z = \dfrac{0.5167 - 0.5}{\sqrt{\dfrac{0.5(1-0.5)}{1200}}}[/tex]

[tex]Z = \dfrac{0.0167}{\sqrt{\dfrac{0.5(0.5)}{1200}}}[/tex]

[tex]Z = \dfrac{0.0167}{\sqrt{\dfrac{0.25}{1200}}}[/tex]

[tex]Z = \dfrac{0.0167}{\sqrt{2.08333333\times10^{-4}}}[/tex]

Z = 1.157

Testing the hypothesis, from the information given, it is found that the test statistic is z = 1.157.

The null hypothesis is:

[tex]H_0: p = 0.5[/tex]

The alternative hypothesis is:

[tex]H_1: p > 0.5[/tex]

The test statistic is given by:

[tex]z = \frac{\overline{p} - p}{\sqrt{\frac{p(1-p)}{n}}}[/tex]

In which:

[tex]\overline{p}[/tex] is the sample proportion. p is the proportion tested at the null hypothesis. n is the sample size.

For this problem, the parameters are: [tex]p = 0.5, n = 1200, \overline{p} = \frac{620}{1200} = 0.5167[/tex]

Hence, the value of the test statistic is:

[tex]z = \frac{\overline{p} - p}{\sqrt{\frac{p(1-p)}{n}}}[/tex]

[tex]z = \frac{0.5167 - 0.5}{\sqrt{\frac{0.5(0.5)}{1200}}}[/tex]

[tex]z = 1.157[/tex]

The test statistic is z = 1.157.

A similar problem is given at https://brainly.com/question/24166849

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Step-by-step explanation:

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Step-by-step explanation:

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Answers

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Step-by-step explanation:

Answer:

m=0

Step-by-step explanation:

The slope formula is:  m=y1=y2/x2=x1

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Answers

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Minimum amount per day= $45
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Step-by-step explanation:

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Step-by-step explanation:

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Answers

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Step-by-step explanation:

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hope this helped

Answe: 180 minutes

Step-by-step explanation                

you divide 1,620 divide it by 9 and there is your answer    

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