3 years ago

Help this is due today

1 answer:

7 0

The answer is the last bubble 52 as the parentheses are negative so it makes what’s in the parentheses negative and -13/-1/4w = w=52

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(-8,-5) after a translation right 1 units and down 5 units?

lara [203]

(-7,0), on a graph plot (-8,-5), from that point you’ll move right once, and go down 5

4 0

3 years ago

brad and amy typed at the same speed brad typed 292 words in 5 minutes amy typewd d 146 words in 2 minutes

gladu [14]

Answer:

Brad average typing rate in words per minute is 21

1260 divided by 60 = 21

(In case you meant 30 minutes)

1260 divided by 30 = 42

Step-by-step explanation:

In a typing class, the average number N of words per minute typed after t weeks of lessons is

N=157/(1+5.4e^-0.12t)

N=157/(1+5.4e

−

0.12t)

. Find the time necessary to type 75 words per minute

7 0

2 years ago

Which products result in a sum or difference of cubes? Check all that apply. (x – 4)(x2 + 4x – 16) (x – 1)(x2 – x + 1) (x – 1)(x

olchik [2.2K]

$a^3+b^3=(a+b)(a^2-ab+b^2)\\\\a^3-b^3=(a-b)(a^2+ab+b^2)\\\\(x-4)(x^2+4x\underline{-16})\qquad \mathbb{NOT}\\\\(x-1)(x^2\underline{-x}+1)\qquad\mathbb{NOT}\\\\(x-1)(x^2+x+1)=(x-1)(x^2+(x)(1)+1^2)\qquad\mathbb{YES}\\\\(x+1)(x^2+x\underline{-1})\qquad\mathbb{NOT}\\\\(x+4)(x^2-4x+16)=(x+4)(x^2+(x)(4)+4^2)\qquad\mathbb{YES}\\\\(x+4)(x^2\underline{+4x}+4)\qquad\mathbb{NOT}$