A cumparat 5 prajituri cu vanilie si 7 cu ciocolata.
Answer:
145.
Step-by-step explanation:
x+35=180
x=180-35
x=145
please mark as brainliest.
Yes there right the answer is three
Answer:
5.131 × 10¹⁴ Hz
Step-by-step explanation:
<u>Planck relation</u>

where:
- E = Energy of the photon (J).
- h = Planck's constant (J · s).
- f = frequency of light produced (Hz).
Given values:
- E = 3.4 × 10⁻¹⁹ J
- h = 6.626 × 10⁻³⁴ J · s
Substitute the given values into the formula and solve for f:





