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2 years ago

5b^x-3=7 how do we find x

Mathematics

1 answer:

V125BC [204]2 years ago

3 0

Answer:

there must me a second equation too. as an equation with two variables can not be solved by just one equation

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HELP!!! PLEASE Jessica has already knitted 1 cm of scarf and can knit 2 cm each night. How many nights will Jessica have to spen

olchik [2.2K]

Jessica will need to continue knitting for 4 nights.

9cm - 1cm = 8cm

8cm / 2cm = 4 nights

Hope this helps: If it did, please mark brainliest, give a thanks, and rate it five stars! [I'm two brainliests away from moving up!] Have an amazing rest of your day and stay safe! Let me know if you need anymore help! xx

5 0

2 years ago

Is 10.2 x 10 written in scientific notation. EXPLAIN

Virty [35]

Answer:

Step-by-step explanation:

Scientific notation has to be a number between 1 and 10 times 10 to the something power. 10.2 is not between 1 and 10

7 0

2 years ago

Read 2 more answers

A manufactured product has a length that is normally distributed with a mean of 12 cm. The product will be unusable if the lengt

Sav [38]

Answer:

a) σ = 0,1612

b) P [ 11,75 < X < 12,35] = 0,92,44 or 92,44 %

Step-by-step explanation:

NOTE: I assume the unusable length s 11,5 and less

a) For a normal distribution, the probability of P = 0,01 corresponds to z(score) = -3,1 then:

- 3,1 = ( X - μ₀ ) / σ

- 3,1 = (11,5 - 12 )/ σ

-3,1 = - 0,5 / σ

σ = 0,1612

b) If σ = 0,1612

P [ 11,75 < X < 12,35]

z₁ (score) = ( 11,75 - 12 ) / 0,1612

z₁ = - 0,25/ 0,1612

z₁ = -1,55

From z table P [ 11,75 < X] = 0,0606

z₂ (score) = ( 12,35 - 12) / 0,1612

z₂ = 0,35 / 01612

z₂ = 2,17

From z table P [ X < 12,35] = 0,9850

Finally P [ 11,75 < X < 12,35] = 0,9850 - 0,0606

P [ 11,75 < X < 12,35] = 0,92,44 or 92,44 %

5 0

3 years ago

I need one more smart person plezzz

Ymorist [56]

Answer:

Interior: 135 degrees

Exterior: 45 degrees

Step-by-step explanation:

The interior angle of a regular octagon is exactly 135 degrees, which can be found using the (n – 2)180 formula. The exterior is simply 180 - the interior, which is 45. :)

6 0

2 years ago

Read 2 more answers

THIS IS MY LAST QUETSION!!!! Please help!!!

DedPeter [7]

Answer:

x=19(rounded) or 18.7882942281

Step-by-step explanation:

a^2+b^2=C^2

8^2+17^2=C^2

64+289= C^2

353=C^2

$\sqrt{353} =\sqrt{C^2}\\$

18.7882942281= C

19= C

7 0

2 years ago