MATHEMATICS HIGH SCHOOL

-2094-67
Help!!!!!!!!!

Answers

Answer 1
Answer:

Answer:

−2161

Step-by-step explanation:

Subtract  67  from -2094

If you want me to show work, let me know!

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Express the product in simplest form 8/2x+8 * x^2-16/4

Answers

From  formula a^2-b^2 = (a-b)(a+b) :
x^2 - 16 = (x-4)(x+4)

In 2x+8 factor out "2", you'll  reach  2(x+4).  So:

(8)/(2x+8) \cdot (x^2-16)/(4)=(8(x-4)(x+4))/(2(x+4) \cdot 4)= (8(x+4)(x-4))/(8(x+4))= \boxed{x-4}

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Someone help me with my homework

Answers

Answer:

C

Step-by-step explanation:

The answer is C both the cube and rectangular prisms have 12 edges. We can tell the first two are wrong because both have 6 sides. We can tell the last one is wrong by counting. Both shapes have over 6 edges.

Answer:

Each shape has 12 edges

Step-by-step explanation:

Counting the faces, each shape has 6 faces, which rules out choices a and b

Counting edges (NOT corners), each shape has 12 edges, which rules out choice d.

Suppose gil can write a poem in 1 hour, holly can write a poem in 2 hours, and ivan can write a poem in 3 hours. Each person spends 12 hours per day writing poems and requires a wage of $10 per hour to do so. How much more would it cost a literary magazine to commission 19 poems per day than 18 poems per day?

Answers

A poem wage for Gil  = number of hours* wage per hour

                                   = 1*10 = 10$

A poem wage for Holly = number of hours*wage per hour

                                     = 2*10 = 20$

A poem wage for Ivan = number of hours * wage per hour

                                      = 3*10 = 30$

And all 3 of them works for 12 hours per day.

Since Gil charges least for a poem, it is always betterr to take Gil for first 12 poems.

Let us find wage for 18 poems = (wage for 12 poems from Gil) + (wage for 6 poems from Holly) = 12*10 + 6*20 = 240$

Since both Gil and Holly worked for 12 hours to complete 18 poems.

Remaining 1 poem should be written by Ivan.

And that will cost 30$.

Hence It will cost 30$ more to commission 19 poems per day than 18 poems per day.

Michael is 4 times as old as Brandon and is also 27 years older than Brandon. Please answer CORRECTLY !!!! Will mark brainliest !!!!!!

Answers

Answer:

108

Step-by-step explanation:

Mike's current age, be M

Then Brandon's is: M - 27

Also, M = 4(M - 27)

M = 4M - 108

M - 4M = - 108

- 3M = - 108

Una máquina llena 4 baldes de helado en 30 minutos, funcionando siempre a la misma velocidad Si ante un corte de luz, solo funcionó durante 45 minutos, ¿cuántos baldes habrá llenado?

Answers

Answer:

La máquina llenó:

6 baldes

Step-by-step explanation:

Por regla de tres:

4 baldes son a 30 minutos

M baldes son a 45 minutos

M = 45*4/30

M = 180/30

M = 6

Evaluate x²-6x when x=3-i.

Answers

Answer:

10

Step-by-step explanation:

We are going to substitute x = 3 - i into the expression x² - 6x

* Remember than i² = (√-1)² = -1. so when we multiply and get i² we're going to transform it into -1.*

⇒ x^2-6x = (3 - i)^2 - 6 (3-i) = 9 - 6i+i^2 -18+6i\n=9 - 6i-1-18+6i\n=-10

Thus, x² - 6x = 10 when x = 3-i
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