MATHEMATICS MIDDLE SCHOOL

Which expression is equivalent to one over 3p + 15?one over three(p + 45)
one over three(p + 5)
3(p + 45)
3(p + 5)

Answers

Answer 1
Answer:

we know that

the expression " one over (3p+15)"  is equivalent to

(1)/((3p+15)) --------> expression A

and

 3p+15=3(p+5) --------> expression B

substitute the expression B in the expression A

(1)/((3p+15))=(1)/(3(p+5)) -----> one over three(p + 5)

therefore

the answer is the option

one over three(p + 5)
Answer 2
Answer:

Answer:

IT IS B!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

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It is recommended that an adult drink 64 fluid ounces of water every day. Josey has already consumed 700 milliliters of water. How manymore liters should he drink today?

Answers

Answer: 1.19271 liters

Step-by-step explanation:

Given: The recommended amount of fluid to adult =64 fluid ounces

We know that 1 fluid ounce = 0.0295735 liters

Then, 64\text{ fluid ounces }=64*0.0295735\n\Rightarrow 64\text{ fluid ounces }=1.89271\ l

Since, Josey has already consumed 700 milliliters of water.

We know that 1 liter = 1000 ml

1 ml=(1)/(1000) l

Thus, 700 ml =0.7 liters

The required amount of liquid he need to drink more = 1.89271-0.7=1.19271 ml
1.19271 liters.  The reason for this is 64 fluid ounces is 1.89271 liters and 700 milliliters is equal to 0.7 liters.  Take 1.89271 and subtract 0.7 liters and you will get your answer.

Mustafa buys seed packets for a community garden. One packet of basil seeds costs $1.50. One packet of squash seeds costs $2.50. Let b represent the number of packets of basil seed. Let s represent the number of packets of squash seeds. Mustafa spent $38 on 18 packets of seeds. How many packets of each type of seeds did Mustafa buy?

Answers

There are total 11 packets of squash seeds and 7 packets of basil seeds.

What is system of linear equations?

A system of linear equations (or linear system) is a collection of one or more linear equations involving the same variables.

What is substitution method?

The substitution method is the algebraic method to solve simultaneous linear equations. In this method, the value of one variable from one equation is substituted in the other equation.

According to the given question.

Cost of one packet of basil seeds = $1.50

Cost of one packet of squash seeds = $2.50

Cost of 18 packets of seeds = 38

Also, b represents the number of packets of basil seeds and s represents of numbers of squash seeds.

Therefore, from the given conditions we get some system of equations

s + b = 18..(i)

and b(1.50) + s(2.50) = 38...(ii)

From equation (i)

s = 18-b

Substitute the value of s in the equation (ii)

⇒1.50b+(18-b)2.50 =38

⇒ 1.50b + 45 - 2.50b = 38

⇒-b = 38-45

⇒ -1b =- 7

⇒b = 7

So, s = 18 - 7 =11

Hence, there are total 11 packets of squash seeds and 7 packets of basil seeds.

Find out more information about system of equations and substitution method here:

brainly.com/question/11778994

#SPJ2

Answer:

Step-by-step explanation:

b+s=18

s=18-b

1.50 b+2.50 s=38

multiply by 4

6.00 b+10.00 s=152

divide by 2

3 b+5 s=76

3 b+5(18-b)=76

3 b+90-5 b=76

-2b=76-90

-2b=-14

divide by -2

b=7

s=18-7=11

What does 64/100 represent as a ratio and a percent

Answers

64/100 is easy its just 64 out of 100

Can you write 0.02 in tenths

Answers

In order to answer your question AND dissapoint you... :P
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It is impossible to write 0.02 in tenths.
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Let's review. 
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Let's say we have decimal 0.123.
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In decimal format...
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1 is the tenths place.
2 is the hundredths place.
3 is the thousandths place.
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And so on.
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So... unfortunately, you cannot write 0.02 in tenths.
First you see how many zeroes there are. 2 right, now, which number has two zeroes? 100 has 2 zeroes so that definitely fits. So, you put 2 as the numerator and 100 as the denominator and that is how you convert it.

Elin has made twenty-nine note cards for her friends. She plans to send out a total of forty cards. What percentage of the cards has she finished? Represent your work clearly on your paper.

Answers

The percentage of the cards Elin has finished is 72.5%.

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 "%".

Given that, Elin has made twenty-nine note cards for her friends. She plans to send out a total of forty cards.

Now, the percentage is

29/40 ×100

= 0.725×100

= 72.5%

Therefore, the percentage of the cards Elin has finished is 72.5%.

To learn more about the percentage visit:

brainly.com/question/24159063.

#SPJ5

Answer:

72.5%

Step-by-step explanation:

(The total number of cards - 40 / Number completed - 29)

1. 40 = 100%

2. Divide both sides of the equation by 40 to get 1 on the right side (40/40 = 1) (100%/40 = 2.5%)

3. multiply both sides of the equation by 29 to find the percentage of cards completed (1*29 = 29 cards finished) (2.5%*29 = 72.5%)

4. Answer: Elin has completed 29 cards which is 72.5% of 40

What is the probability that you will choose a state with 5 letters in its name, given that the state starts with T.

Answers

Texas might I think it starts with t or Tennessee
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