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2 years ago

if a student has homework 72 days out of 100 what fraction and what percentage of days did the student not have homework?

Mathematics

1 answer:

neonofarm [45]2 years ago

4 0

Answer:

The Student has 72% out of 100%

Step-by-step explanation:

Its the same thing but with fractions

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Add −3x2y2z2+12xyz2+7xyz and 10xyz−10xyz2

Andre45 [30]

Answer:

3xyz

Step-by-step explanation:

The required sum = 7xyz+(−5xyz)+9xyz+(−8xyz)

=7xyz–5xyz+9xyz–8xyz

=(7–5+9–8)xyz

=(16–13)xyz

=3xyz

6 0

2 years ago

Seventeen is three times the difference between four times a number and five

expeople1 [14]

17 = 3(4x - 5)

Distributive property.

17 = 12x - 15

Add 15 to both sides.

32 = 12x

Divide both sides by 12.

x = 2.67. (This is your answer.)

Let me know if you have any questions.

4 0

2 years ago

Please need help on this

Trava [24]

Answer:

The perimeter of a shape is the sum of the measurements of all sides. Since a rectangle have equal lengths and widths, you can just add the numbers twice.

So, 15 + 15 + 8 + 8. So the perimeter is 46 cm.

7 0

3 years ago

Read 2 more answers

You are designing a container in the shape of a cylinder. The radius is 5 inches. You want the container to hold at least 725π c

12345 [234]

Answer:

The answer to your question is: h = 14.5 in

Step-by-step explanation:

Data

radius = 5 in

Volume = 725 π in³

height = ?

Formula

Volume = 2πr²h

Substitution

725 π in³ = 2πr² h

h = 725π / 2πr²

h = 725 / 2(5)²

h = 725 / 50

h = 14.5 in

3 0

3 years ago

HELPPPPPP this is due tonight!!!!

laiz [17]

Answer:

(1) Commutative property

(2) Distributive property/Definition of addition

(3) Compatibility with addition/Existence of additive inverse/Modulative property

(4) Compatibility with multiplication/Associative property/Definition of division/Existence of additive inverse/Commutative and modulative properties/Result

Step-by-step explanation:

We proceed to solve algebraically and explain each step:

1) $4\cdot x +1 +x + 3 = -11$ GIven

2) $4\cdot x +x +1 + 3 = -11$ Commutative property

3) $(4+1)\cdot x +4 = -11$ Distributive property/Definition of addition

4) $5\cdot x +4 = -11$ Definition of addition

5) $5\cdot x +4 -4 = -11-4$ Compatibility with addition

6) $5\cdot x = -15$ Existence of additive inverse/Modulative property

7) $\frac{1}{5}\cdot (5\cdot x)= \frac{1}{5}\cdot (-15)$ Compatibility with multiplication

8) $x = - 3$ Associative property/Definition of division/Existence of additive inverse/Commutative and modulative properties/Result

Hence, we have the following answers:

(1) Commutative property

(2) Distributive property/Definition of addition

(3) Compatibility with addition/Existence of additive inverse/Modulative property

(4) Compatibility with multiplication/Associative property/Definition of division/Existence of additive inverse/Commutative and modulative properties/Result

6 0

2 years ago