MATHEMATICS MIDDLE SCHOOL

To solve -3 = -19 + d/5 , what steps would you use? Will give braliestA. add 19
B.____5
add
subtract
divide
multiply

Answers

Answer 1
Answer:

Step-by-step explanation:

A. Add 19 on LHS

B. Multiplying 5 on LHS

Given steps, how did I do:

  • -3 = -19 +d/5
  • -3+19 =d/5[Add]
  • 16*5 = 80 = d[Multiply]
Answer 2
Answer:

answer:

80

screenshot help :)

Alli <3

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Brandon enters bike races.He bikes 8 1/2 miles every 1/2 hour. complete a table to find how far Brandon bikes for each time interval.

Answers

12. Since there is no table given I will assume that what you want me to do is to show that Unit rate of Brandon’s biking.SO here are the data that we need:=> 8 and ½ miles = 8.5 miles=> ½ hour = .5 hours or 30 minutesNow, let’s solve for the unit rate=> SO in every 30 minutes he bikes around 8.5 miles=> Since 1 hour is equals to 30 minutes, simply multiply 8.5 by 2=> 8.5 * 2 = 17miles=> 17 miles / hour

The distance of Brandon’s bike in each interval of time can be represented in the attached Table 1.

Further explanation:

Given:

Brandon enters in to the bike race and he bikes 8(1)/(2)\text{ miles} in every (1)/(2)\text{ hour}.

Calculation:

It is given that in every (1)/(2)\text{ hour} Brandon bikes 8(1)/(2)\text{ miles}.

The distance 8(1)/(2)\text{ miles} is in the form of mixed fraction.

Therefore, the distance 8(1)/(2)\text{ miles} can be written in the form of decimal as follows:

\boxed{8(1)/(2)\text{ miles}\rightarrow8.5\text{ miles}}

 

Brandon bike's8.5\text{ miles} in every (1)/(2)\text{ hour}.

We know that 1\text{ hour} is equivalent to 60\text{ minutes}.

So, 0.5\text{ hour} can be converted into minutes as follows:

\boxed{\begin{aligned}1\text{ hour}\rightarrow60\text{ minutes}\n0.5\text{ hour}\rightarrow30\text{ minutes}\end{aligned}}  

Therefore, in every 30\text{ minutes} Brandon bikes 8.5\text{ miles}.

So, in next 30\text{ minutes} Brandon also bikes 8.5\text{ miles}.

In every 1\text{ hour} Brandon travels \boxed{8.5+8.5=17\text{ miles}}.

In every 1:30\text{ hour} Brandon travels \boxed{17+8.5=25.5\text{ miles}}.

Method 2:

Speed of Brandon’s bike can be calculated as ,

\boxed{\text{Speed}=(d)/(t)}        …… (1)

Here, d is the distance and t is the time.

The distance is 8.5\text{ miles} and time is 0.5\text{ hour}.

Now, substitute d=8.5 and t=0.5 in the equation (1) to obtain the speed as follows:

\begin{aligned}\text{Speed}&=(8.5)/(0.5)\n&=17\text{ miles per hour}\end{aligned}

 

Therefore, the rate of travelling of Brandon’s bike is 17\text{ miles per hour}.

The distance of Brandon’s bike in each interval of time can be represented in the attached Table 1.

Learn more:

1. Learn more about problem on numbers: brainly.com/question/1852063

2. Learn more about problem on function brainly.com/question/3225044

3. Learn more about problem on digits brainly.com/question/120717

Answer details:

Grade: Middle school

Subject: Mathematics

Chapter: Speed, time and distance

Keywords:  Distance, Brandon’s bike, interval, time, race, mixed fraction, distance, decimal, hour, minutes, rate, fraction, velocity, 1/2 miles, 1/2 hour.

Eights identical shirts cost a total of $152. How much does one shirt cost?

Answers

152/8 = 19 <== cost of each shirt
 divide 152 by 8 giving us a total 19 therefor each shirt would cost $19 dolloars each.

152/8=9
$9 Each.

What is the scientific notation of 8,795,000

Answers

8,\underbrace{795,000}_(\leftarrow6)=8.795\cdot10^6
boxed{8,795,000=8.795*10^(6)}

there are 3 trays of eggs each tray holds 30 eggs.how manny people can be served if each person eats 2 eggs

Answers

30 x 3 = 90
90 divided by 2 = 45
45 People can be served
45 people can be served if each person gets 2 eggs

What is the value of the expression (8^2)/(8^3)

Answers

(8^2)/(8^3) = 1/8 = 0,125

Yo sup??

given expression is:

8^2/8^3

=8^(2-3)

=8^(-1)

=1/8

Hope this helps.

A cylinder has a volume of 321 cubic units. If a cone has the same height and radius as the cylinder, what is the volume in cubic units?A.107 cubic units
B.214 cubic units
C.642 cubic units
D.963 cubic units

Answers

The volume of the cone which has the radius and height same as the cylinder of volume 321 cubic units is 107 cubic units.

What is the volume?

A cylinder is defined as a surface made up of all the points on all the parallel lines that pass through a set plane curve in a plane that is not parallel to the provided line.

The volume of the cylinder is given by the formula,

\text{Volume of cylinder} = \pi r^2 h

321 = \pi r^2 h

Now, as it is given that the radius and the height of the cone are the same, therefore, the volume of the cone can be written as,

\text{Volume of cone} = \frac13 \pi r^2 h

As we know the value of πr²h, therefore, substitute the value,

\rm\text{Volume of cone} = \frac13 * 321 = 107\ units^3

Thus, the volume of the cone which has the radius and height same as the cylinder of volume 321 cubic units is 107 cubic units.

Learn more about Cylinder:

brainly.com/question/3216899
Cone's volume is third of cylinder's volume, so 321*1/3=107 cubic units. Answer A. is correct.
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