Some rectangles are not parallelograms.A. True

B. False

Someone please answer this for me!!!!

Answers

Answer 1
Answer:

A parallelogram is a quadrilateral that has two pairs of parallelsides.

In a parallelogram, oppositesides and angles are equal.

The adjacentangles add up to 180 degrees.

The rectangle is a quadrilateral that has four sides and the opposites are always parallel.

The statement "Some rectangles are not parallelograms" is false.

Option B is the correct answer.

What is a parallelogram?

A parallelogram is a quadrilateral that has two pairs of parallelsides.

In a parallelogram, oppositesides and angles are equal.

The adjacentangles add up to 180 degrees.

We have,

Some rectangles are notparallelograms.

The rectangle is a quadrilateral that has four sides and the opposites are always parallel.

So,

All rectangles are parallelograms.

Thus,

The rectangle is a quadrilateral that has four sides and the opposites are always parallel.

The statement "Some rectangles are not parallelograms" is false.

Option B is the correct answer.

Learn more about parallelograms here:

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Answer 2
Answer: That is false because not all parallelograms are rectangles, but all rectangles are parallelograms.

A parallelogram is a four-sided figure with opposite sides parallel.

All rectangles have 4 sides and all opposite side are parallel.

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Find the percent of increase from 350 to 470. Round to the nearest tenth of a percent if necessary.

carla the baker worked for 5 hours to make cookies .she ended with 380 cookies altogether .write an equation to express how many cookies carla made each hour

Answers

Answer:

Let c represents cookies Carla made each hour.

As per the statement: Carla the baker worked for 5 hours to make cookies.

⇒ total cookies made in 5 hours = 5c

Also, she ended with 380 cookies altogether.

then,

we have the equation;

5c = 380

Divide both side by 5 we get;

c = 76

Therefore, 76 cookies Carla made each hour.

An equation that goes with your problem is, 
380/5=c
The c is for cookies. Hope it helps!

a retailer buys a shirt in bulk at a unit price of $18. the shirt is marked up 36%to sell in the store. what is the price of the shirt in the store

Answers

If the bulk price is 18, then 36% of 18 is 6.48, which makes the final price 18 + 6.48 = 24.48

Answer:

24.48 dollars

Step-by-step explanation:

How to find the volume of the cone

Answers

Answer:

The closest measurement to the volume of hat is 84.82 in.³.

Step-by-step explanation:

Given:

The dimensions of hat are height(h) 9 inches and diameter(d) 6 inches.

Now, to find the volume of cone:

Putting the formula (1)/(3)\pi r^(2)h.

Radius(r) is not given, finding the radius:

Radius(r)=half of the diameter(d)

r=(d)/(2)

r=(6)/(2)

r=3.

Then, (1)/(3)\pi r^(2)h

=(1)/(3)*\pi *3^(2)*9

=(1)/(3)*3.14*9*9 (\pi =3.14)

=(1)/(3) *254.34

=(254.34)/(3)

=84.78 in.³

So, the volume is 84.78 in.³ .

Therefore, the closest measurement to the volume of hat is 84.82 in.³.

Each of the 27 turtles in the pet store needs to be fed. There is one bag of turtle food that weighs 84 ounces. If each turtle gets the same amount of food, how many ounces of turtle food will each turtle get?

Answers

Each turtle gets 3.11 ounces if Each of the 27 turtles in the pet store needs to be fed

What is a fraction?

Fraction number consists of twoparts, one is the top of the fractionnumber which is called the numerator and the second is the bottom of the fractionnumber which is called the denominator.

We have:

Each of the 27 turtles in the pet store needs to be fed.

There is one bag of turtle food that weighs 84 ounces.

Each turtle gets the food = 84/27

= 3.11 ounces

Thus, each turtle gets 3.11 ounces if Each of the 27 turtles in the pet store needs to be fed

Learn more about the fraction here:

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Step-by-step explanation:

84 ounces / 27 turtles = 3.111 ounces per turtle

Or in fractional form, 3 ¹/₉ ounces per turtle.

What is the substitution method?

Answers

The method of solving "by substitution" works by solving one of the equations (you choose which one) for one of the variables (you choose which one), and then plugging this back into the other equation, "substituting" for the chosen variable and solving for the other. Then you back-solve for the first variable

The ratio of boys to girls in homeroom is 2:3. If there are 8 boys , how many girls are there?

Answers

2     8
-  =  -            X=12   I hope this helps!
3     X