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3 years ago

Ethan has partially filled the prism with 8 unit cubes.

Mathematics

2 answers:

Naya [18.7K]3 years ago

7 0

Answer:

I would say 19, maybe.

Step-by-step explanation:

Lady bird [3.3K]3 years ago

5 0

Answer:

See below

Step-by-step explanation:

You can calculate it only when the dimensions of the prism are given.

Here, in this case dimensions of the prism are mentioned. So, number of required cubes can not be determined.

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Theo bought 2 hot dogs and two drinks for $4.00. At the same concession stand, Vicky bought 3 hot dogs and a drink for $4.50. Wr

Sedbober [7]

Answer:

The hot dog are $2.63

Step-by-step explanation:

Hot Dogs = H

Drinks = D

2H + 2D = 4

Divide both sides by 2

H + D = 2

Subtract D from either side

H = 2 -D

3H + D = 4.50

Plug in 2 - D for H

3(2- D ) + D = 4.50

6 - 3D + D = 4.50

6 - 4D = 4.50

Add 6 to either side

-4D = 10.50

Divide either side by -4

D = -2 . 625

3 0

3 years ago

What is y=(-2/3)x+400 as a function?

Gnom [1K]

Answer:

y= −2x/3 + 400

Step-by-step explanation:

Hope this helps :)

8 0

3 years ago

Read 2 more answers

A car rental agency advertised renting a car for $ 23.95 per day and $ 0.32 per mile. If Trevor rents this car for 3 days, how

AVprozaik [17]

Y=mx +b plug that in , so the 23.95 would be the flat fee then you add 0.32
250 =23.95+0.32 subtract from both sides then divide the answer is 10 miles

4 0

2 years ago

Read 2 more answers

4. Write the range of this function.<br>(4,12) (1,3) (3,9) (5,15)

forsale [732]

Range is all real numbers
(-infinity, positive infinity)

4 0

3 years ago

Which would be the best method to use to solve the following equations? Explain your reasoning.

o-na [289]

A. square root property

$3x^2-192=0\\x^2-66=0\\x^2=66\\x= -\sqrt{66} or \sqrt{66}$

it has one value with x which is x^2 and it cn be easily solved without having to factorise, quadratic formula cant be used as it need ax^2+bx+c=0 format

B. factorising

$x^2-x-6=0\\x^2+2x-3x-6=0\\(x+2)(x-3)=0\\x+2=0 and x-3=0\\x= -2 \\x= 3$

i just felt like this was easier to factorise than the other 2 options left

C. Completing the square

$x^2-6x-7=0\\(x-3)^2=0\\x= -1\\x= 7$

same reason personal preference

D- Quadratic

$x^2-17x-7=0\\x=\frac{-(-17)+\sqrt{(-17)^2-4(1)(-7)} }{2(1)} \\x=\frac{-(-17)-\sqrt{(-17)^2-4(1)(-7)} }{2(1)}\\x=17.4\\x=-0.402$

the 17 kinda threw me off and i didnt wanna get on factorising or doing completing the square so quadratic formal

7 0

2 years ago