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stiks02 [169]
3 years ago
13

Bob has 60 coins consisting of quarters and dimes. The coins combined value is $13.35. How many quarters and how many dimes does

he have?
Mathematics
1 answer:
ddd [48]3 years ago
4 0
60x0.25=15
60x0.10=6
51x0.25=12.75
13.35-12.75
D-6
Q-51
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What is the velocity of a wave with a frequency of 930 Hz and a wavelength of 0.50 m
erma4kov [3.2K]
Hi, thank you for posting your question here at Brainly.

To find the velocity of light or any electromagnetic wave, we use the equation: v = wavelength * frequency. Substituting,

v = 0.5 m * 930 1/s
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8 0
3 years ago
Read 2 more answers
X2 + 5x - 50 = 0<br><img src="https://tex.z-dn.net/?f=%20%7Bx%7D%5E%7B2%7D%20%20%2B%205x%20-%2050%20%3D%200" id="TexFormula1" ti
love history [14]

Answer:

x = -10

x = 5

Step-by-step explanation:

{x}^{2}  + 5x - 50 = 0 \\ (x + 10)(x - 5) = 0 \\  \\ x =  - 10 \\ x = 5

8 0
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3 years ago
5x + y = 6 5x + 3y = -4 The y-coordinate of the solution to the system shown is ___.
8_murik_8 [283]
Subtract these 2 equations,

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Question 1: Are the following two monomials multiplied correctly? <br> Yes or no
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