MATHEMATICS MIDDLE SCHOOL

What are the factors of 16 and 9

Answers

Answer 1
Answer:
The factors of  16  are  1,  2,  4,  8,  and  16 .

The factors of  9  are  1,  3,  and  9 .
Answer 2
Answer:

Answer: The factors of 9 are: 1, 3, and 9. The factors of 16 are: 1, 2, 4, 8, and 16.

Step-by-step explanation: 1, 3, and 9 can divide evenly into 9. 1, 2, 4, 8, and 16 can divide evenly into 16.

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isabella spends $4.87 on paintbrushes and paint. How many of each item does she buy? The paintbrushes cost $0.95 and the jar of paint cost $.099 each.

Answers

Isabella can buy together 5 paintbrushes ( p ) and jars of paint ( p ) : j + p = 5, She can`t buy 4 items ( because 4 * $0.99 = $3.96 < $4.87 ) and she also can`t buy 6 items ( 6 * $0.95 = $5.70 > $4.87 ). So: p = 5 - j. Another equation is: 0.95 * ( 5 - j ) + 0.99 j = 4.87, 4.75 - 0.95 j + 0.99 j = 4.87; 0.04 j = 0.12; j = 0.12 : 0.04; j = 3, p = 5 - 3 = 2. We can prove it: 0.95 * 2 + 0.99 * 3 = 1.90 + 2.97 = 4.87. Answer: Isabella buys 2 paintbrushes and 3 jars of paint.

What is the prime factorization of 110

Answers

2 x 5 x 11 is the prime factorization.

a map distance of 5 inches represents 200 miles of actual distance. suppose the distance between two cities on the map is 7 inches. what is the actual distance between the two cities? write the rule you used to find the actual distance

Answers

Set up a proportion:

5/200 = 7/x

Cross multiply:

200 * 7 = 5 * x

1400 = 5x

Divide 5 to both sides:

x = 280

12.48 milliliters of medicine were separated into doses of 4 mL each. how many doses were made?

Answers

The number of doses are \boxed{\bf3}, if each dose quantity is 4 mL and total medicine is 12.48 mL.

Further explanation:

The total quantity of the medicine in millilitres is 12.48.

The quantity of one dose in millilitres is 4.

To find the number of doses possible from 12.48 millilitres quantity of medicine with each doses has 4 millilitres quantity is calculated by the use of division.

Here, dividend is the quantity of all medicine and divisor is the quantity of each doses.

Substitute, number 12.48 for dividend and number 4 for divisor then obtain the quotient by the use of division as shown below.

\begin{aligned}4\mathop{\left){\vphantom{1{12.48}}}\right.\!\!\!\!\overline{\,\,\,\vphantom 1{{12.48}}}}\limits^{\displaystyle\hfill\,\,\, {3.12}} \hfill\n\,\,\,\,\,\,\underline{12 \downarrow }\hfill\n\,\,\,\,\,\,\,\,\,04\hfill\n\,\,\,\,\,\,\,\,\,\,\,\,\underline{4\downarrow } \hfill\n\,\,\,\,\,\,\,\,\,\,\,\,08\hfill\n\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\underline8\hfill\n\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,0\hfill\n\end{aligned}

The quotient of the above division is 3.12.

The number of doses is always being in natural number.

It is observed that nearest natural number for 3.12 is 3.

Thus, the number of doses are \boxed{\bf3}, if each dose quantity is 4 mL and total medicine is 12.48 ml.

Learn more:

1. Write an algebraic expression for the following word phrase the quotient of r and 12 brainly.com/question/1600376

2. What is 20÷2(5+5) brainly.com/question/365957

3. Ten hundredths in standard form brainly.com/question/228852

Answer details:

Grade: Junior School

Subject: Mathematics

Chapter: Division

Keywords:

12.48, millilitres, medicine, dose, 4 ml, each, made, Division, natural, quantity, division, kilogram, quotient, divisor, ml, subtract, equally
You just simply need to divide 12.48 by 4.

The answer is 3.12 doses.

it takes him 6 hours through 480 pages today he's going to read for 5 hours how many pages will be read fill out the table below to figure out how many pages has been read

Answers

Well the first step is to find how many pages per hour he reads, 480 pages/6 hours= 80 pages per hour. now multiply that by 5 hours to get how many pages in 5 hours: 80 pages per hour*5 hours= 400 pages.
Its 400 pages becasue he reads 80 pages per hour

What is the equation of the line that passes through the point (3, 0) and is perpendicular to the line 2x – y = 5?

Answers

Answer:

\large\boxed{y=-(1)/(2)x+(3)/(2)}

Step-by-step explanation:

\text{Let}\ k:y=_1x+b_1\ \text{and}\ l:y=m_2x+b_2.\n\nl\ \perp\ k\iff m_1m_2=-1\to m_2=-(1)/(m_1)\n============================\n\n\text{We have}\ 2x-y=5.\n\n\text{Convert to the slope-intercept form y = mx + b:}\n\n2x-y=5\qquad\text{subtract 2x from both sides}\n\n-y=-2x+5\qquad\text{change the signs}\n\ny=2x-5\to m_1=2\n\n\text{Therefore}\ m_2=-(1)/(2).

\text{The equation of the searched line:}\ y=-(1)/(2)x+b.\n\n\text{The line passes through }(3,\ 0).\n\n\text{Put the coordinates of the point to the equation.}\ x=3,\ y=0:\n\n0=-(1)/(2)(3)+b\n\n0=-(3)/(2)+b\qquad\text{add}\ (3)/(2) \text{to both sides}\n\nb=(3)/(2)
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