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4 years ago

B(a + b) - a (a -b )

Mathematics

2 answers:

Fantom [35]4 years ago

7 0

Not sure what you’re asking? There’s no numbers or pictures to help.

belka [17]4 years ago

6 0

If you’re just trying to solve this, you get:
ab + b^2 - a^2 + ab =
b^2 +2ab - a^2

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HELP PLEASE!!!! WILL GIVE BRAINLIEST ANY LINKS OR WRONG ANSWERS WILL BE REPORTED!!!!

Sphinxa [80]

Answer:

1/5 × 950

(2nd option)

Step-by-step explanation:

$20\% = \frac{20}{100} = \frac{1}{5}$

So 20% of 950 = 1/5 × 950

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3 years ago

Try It! Class A was given a sunflower with a height of 8 centimeters that grows at a rate of 3 1/2 centimeters per week. Class B

igor_vitrenko [27]

Answer:

8 Weeks

Step-by-step explanation:

First let's collect the given data:

• Class A:

- Starts at 8 cm

- grows at 3.5 cm/week

• Class B:

- Starts at 10cm

- grows at 3.25 cm/week

Class B's plant starts out 2 cm taller and Class A's plant grows 1/4 cm faster. So, to find when these two will be at an equal height, divide 2 cm by 1/4.

2 ÷ 1/4 =

2 × 4/1 =

2 × 4 =

It will take 8 weeks for the plants to be at an equal height.

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3 years ago

Factoring Polynomials: 6-13a+6a^2

Firlakuza [10]

(Factor by grouping 2-3a)(3-2a)

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3 years ago

A dumpster, in the shape of a right rectangular prism, has a length of 10 feet, a width of 5.5 feet, and a height of 4 feet. It

solniwko [45]

Answer:

The weight of the yard waste = 1650 pounds

Step-by-step explanation:

* Lets revise the rule of the volume of the prism

- The rectangular prism has 6 rectangular faces

- Its base shaped a rectangle of dimensions length and width

- The volume of the rectangular prism = Area of its base × its height

∵ Area of the rectangle = length × width

∴ The volume of the prism = length × width × height

* Now lets solve the problem

∵ The length of the rectangular prism = 10 feet

∵ The width of it = 5.5 feet

∵ The height of it = 4 feet

∴ Its volume = 10 × 5.5 × 4 = 220 feet³

- The prism is completely full of yard waste

∴ The volume of the yard waste = the volume of the prism

∴ The volume of the yard waste = 220 feet³

- The average weighs of it is 7.5 pounds/cubic foot

∴ The weight of the yard waste = the average of weight × the volume

∴ The weight of the yard waste = 7.5 × 220 = 1650 pounds

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3 years ago

Plz help me with this

storchak [24]

Answer: A) 13

Step-by-step explanation:

Mean - 1 SD: 20.2 - 2.4 = 17.8 --> (18)

Mean + 1 SD: 20.2 + 2.4 = 22.6 --> (23)

Now, find the values on the histogram for 18 through 23:

2 + 3 + 4 + 3 + 1 + 1 = 13

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3 years ago