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3 years ago

What does a closed circle on a number line mean?

Mathematics

1 answer:

zysi [14]3 years ago

5 0

Answer:

Step-by-step explanation:A closed circle indicates "greater than or equal to" or "less than or equal to," while and open circle indicates "greater than" or "less than".

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A rectangle has a perimeter of 34 cm in an area of 52 cm squared it's length is 5 more than twice its width write and solve the

valina [46]

Let $l$ be the length and $w$ be the width of the rectangle.

Given perimeter of the rectangle

$2(l+w)=34 \; l+w=17$

Area of the rectangle is

$lw=52$

Also length is 5 more than twice its width,

$l=2w+5$

From the above equations

$(l-w)^2=(l+w)^2-4lw=17^2-4*52=81\\ l-w=9,\; since \; l>w$

Now $2l=9+17=26\;,l=13,w=4$

The dimensions of the rectangle are length $l=13$ , and width $w=4$ .

8 0

4 years ago

Read 2 more answers

Alexandria forgets to bring her lunch to school 1/5 of the time or about once a week when she does she buys the school lunch for

Juliette [100K]

Answer:

It would be 171.00

Step-by-step explanation:

You divide 1/5 which gives you 0.2 times 4.75 and times 180 which gives you 170.00

4 0

3 years ago

Fred bought 4 liters of liquid laundry detergent, 3,260 milliliters of fabric softener, and 2.3 liters of bleach. Select true or

Norma-Jean [14]

Answer:

1. False 2. False 3. True 4. False 5. True

Step-by-step explanation:

Given:

Fred bought 4 liters of liquid laundry detergent,

3,260 millilitres of fabric softener, and

2.3 liters of bleach.

Select true or false for each statement.

1. Fred bought 96 millilitres more fabric softener than bleach.

Solution:

Fred bought fabric softener = 3,260 millilitres

Fred bought bleach = 2.3 liters = 2300 millilitres

1 liter = 1000 millilitres

2.3 liter = 1000 $\times$ 2.3 = 2300 millilitres

Fred bought more fabric softer than bleach = 3,260 - 2300 = 960

Hence, it is false and actually Fred bought 960 millilitres more fabric softer than bleach.

2. Fred bought 1.95 liters more laundry detergent than bleach.

Solution:

Fred bought laundry detergent = 4 liters

Fred bought bleach = 2.3 liters

Fred bought more laundry detergent than bleach = 4 - 2.3 = 1.7 liters

Hence, it is false and actually Fred bought 1.7 liters more laundry detergent than bleach.

3. Fred bought 960 millilitres more fabric softener than bleach.

It is true, as solved above:

4. Fred bought 170 millilitres more laundry detergent than bleach.

Solution:

Solved above:

Fred bought 1.7 liters more laundry detergent than bleach.

1.7 liters = 1.7 $\times$ 1000 = 1700 millilitres

1.7 liters = 1700 millilitres not 170 millilitres

Hence, it is false.

5. Fred bought 0.96 liters more fabric softener than bleach.

Solution:

Solved above:

Fred bought 960 millilitres more fabric softer than bleach.

1000 millilitres = 1 liters

1 millilitre = $\frac{1}{1000}$

960 millilitre = $\frac{1}{1000}\times960=\frac{960}{1000} =0.96\ liter$

960 millilitres = 0.96 liter

Hence, it is true.

3 0

3 years ago

The stack on the left is made up of 15 pennies, and the stack on the right is also made up of 15 pennies. If the volume of the s

satela [25.4K]

360 mm^3. There is 15 pennies also in the right side and you are already told the left side, which has 15 pennies is 360 mm^3.

6 0

3 years ago

Read 2 more answers

Solve m +9 = 2. Please and thank you.

Savatey [412]

Answer:

the answer is -7

Step-by-step explanation:

m+9=2-9

-9

m=. -7

6 0

4 years ago