The ratio of pens to pencils in Carlo case is 4:5 .He has 16 pens.how many pencils does Carlos have?

Answers

Answer 1

Answer: 4pens=5 pencils

16pens=20pencils

Answer 2

Answer: For every 4 pencils he has 5 pens so Carlo has 20 pencils (4:5, 8:10, 12:15, 16:20) or (4:5 = 16:x where x equals 20)

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There are 4 more girls in Mrs. Pitt's class than Mr. Brown's class. Five girls moved from Mrs. Pitt's class to Mr. Brown's class. Now there are twice as many girls in Mr. Brown's class as there are in Mrs. Pitt's. How many girls were in Mr. Brown's class to begin with?

Answers

3 girls were in Mr. Brown class in the beginning

Answer:

There were 7 girls in Mr. Brown's class to begin with.

i really hope this helps/brainliest is always appreciated

Norah know that the diameter of a circle is 13 meters. How would you tell her to find the circumference?

Answers

circumference=diameter times pi
the answer is 13pi
pi is sometimes aprox 3.14
so
13 times 3.14=40.82
so about 40.82 meters

Figure 2 length 10 width find perimeter and area

Answers

Alrighty man, I'm gonna teach you a math.
If you're looking for perimeter, thats how long the shape is on the outside. To find the perimeter, add your base and your height and multiply it by two. For us, height is 10, and base is 2. 10+2x2= 24.
To find area, you have to multiply the base times the height. 10x2= 20
The area is 20 units squared and the perimeter is 24 units.

The answer to that question is four

Please answer quick

Answers

$x=4y+6\nx-3y=4\n\n4y+6-3y=4\ny=-2\n\nx=4\cdot(-2)+6\nx=-8+6\nx=-2\n\n\boxed{(x,y)=(-2,-2)}$

Answer in addition..

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After cutting the recipe in half, ricardo needed 3 cups of flour.

Answers

x* $(1)/(2)$ =3
You divide each side by $(1)/(2)$
x=3× $(1)/(2)$
3÷ $(1)/(2)$ =6
x=6
Check
6× $(1)/(2)$ =3
This is the equation

6CupsIs needed 6/2 is 3 cups !

Joey is asked to name a quadrilateral that is also a rhombus.What should be his answer

Answers

Answer: Joey's answer should be a square.

Step-by-step explanation: Given that Joey is asked to name a quadrilateral which is also a rhombus. We are to find Joey's answer.

Rhombus : a quadrilateral having all the four sides equal and diagonals bisect each other perpendicularly.

We know that the only quadrilateral having four equal sides and diagonals bisecting each other perpendicularly is a SQUARE.

Also, a square has all angles as right-angles in addition.

Therefore, Joey's answer should be a square.

His answer should be a square because a square is a parallelogram with four similar sides and four right angles. A quadrilateral is a square if its a rhombus and/or rectangle.

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