3 years ago

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Mathematics

2 answers:

AnnyKZ [126]3 years ago

6 0

Answer:

what's the question ndndn

trasher [3.6K]3 years ago

4 0

Where’s the question

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Write two decimals greater than luke's decimal and less than bekka's decimal

Mashcka [7]

.23 and .24 is your answer.

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3 years ago

A barrel of oil was filled at a constant rate of 7.5 gal/min. the barrel had 10 gallons before filling began. write an equation

Xelga [282]

Assuming that :

- The number of the gallons is symbolized by g
- Time per minute is symbolized by t

the equation would be :

g = 10 + 7.5 t

Hope this helps

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3 years ago

Express the trig ratios as fractions in simplest terms.

Jet001 [13]

Answer:

Step-by-step explanation:

SOH CAH TOA

cos K = 36/48 = 3/4

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2 years ago

<img src="https://tex.z-dn.net/?f=%28%20%5Csin%5E%7B2%7D%20%28%20%5Cfrac%7B%5Cpi%7D%7B%204%20%7D%20%20-%20%20%5Calpha%20%29%20%2

guapka [62]

Step-by-step explanation:

$\sin^2 (\frac{\pi}{4} - \alpha) = \frac{1}{2}(1 - \sin 2\alpha)$

Use the identity

$\sin^2 \theta = \dfrac{1 - \cos 2\theta}{2}$

on the left side.

$\dfrac{1 - \cos [2(\frac{\pi}{4} - \alpha)]}{2} = \frac{1}{2}(1 - \sin 2\alpha)$

$\dfrac{1 - \cos (\frac{\pi}{2} - 2\alpha)}{2} = \frac{1}{2}(1 - \sin 2\alpha)$

Now use the identity

$\sin \theta = \cos(\frac{\pi}{2} - \theta)$

on the left side.

$\dfrac{1 - \sin 2\alpha}{2} = \frac{1}{2}(1 - \sin 2\alpha)$

$\frac{1}{2}(1 - \sin 2\alpha) = \frac{1}{2}(1 - \sin 2\alpha)$

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3 years ago

-4x+3 >-5 Solve for a

Tresset [83]

Answer:

-4x+3>-5

or, -4x>-5-3

or, -4x>-8

or, -4x/-4<-8/-4

so, x<2

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2 years ago