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3 years ago

Best time to study math is morning or night? can y'all answer me bout what do you think?

Mathematics

1 answer:

Jlenok [28]3 years ago

5 0

I like studying in the evening, but if I had to choose, I'd study at night. In the morning my mind is asleep.

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Sold the equation. Round to the nearest hundredth. 17 · <img src="https://tex.z-dn.net/?f=1.8%5E%7B-x%2B7%7D%20%3D%205"

svetlana [45]

Answer:

Final answer is approx x=4.26.

Step-by-step explanation:

Given equation is $1.8^{-x+7} = 5$

Now we need to solve equation $1.8^{-x+7} = 5$ and round to the nearest hundredth.

$1.8^{-x+7} = 5$

$\log(1.8^{-x+7}) = \log(5)$

$(-x+7)\log(1.8) = \log(5)$

$(-x+7) = \frac{\log(5)}{\log(1.8)}$

$(-x+7) = \frac{0.698970004336}{0.255272505103}$

$-x+7 = 2.73813274192$

$-x = 2.73813274192-7$

$-x =−4.26186725808$

$x =4.26186725808$

Round to the nearest hundredth.

Hence final answer is approx x=4.26.

4 0

3 years ago

Solve the literal equation for x. k= nx - 3x

Amiraneli [1.4K]

answer:X=k/n-3

explain:move all terms to the left side and set equal to zero. then set each factor equ to zero!

I hope this helps

7 0

3 years ago

Read 2 more answers

90 is 1/10 of what number

jeyben [28]

The answer is 900
900/90=10. Therefore 90/900=1/10

5 0

3 years ago

Read 2 more answers

What is equivalent to x2+ 14x = -13

postnew [5]

Answer:

X= 1 AND 13

Step-by-step explanation:

x2+14x = -13

by completing the square method

you add the square of half the coefficient of b to both sides

which is (14/2)^2

x^2+14x+(7^2) = -13 +(7^2)

x^2 + 7^2 = -13 + 49

x^2 + 7^2 = 36

(x + 7)^2 = 36

find the square root of both sides

(x+7) = + or - 6

x=7-6 ; 1

x= 7+6 ; 13

8 0

2 years ago

How many permutations are there of the letters in the word surprise?

azamat

Surprise, there 8 letters.
So, 8*7*6*5*4*3*2*1= 40, 320

5 0

3 years ago