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Vikki [24]
3 years ago
7

Zoe rides for 2 hours and is 12 miles from her house. After riding for 4 hours, she is 22 miles away. What is Zoe’s rate?

Mathematics
1 answer:
Sindrei [870]3 years ago
7 0

Answer:

40

Step-by-step explanation:

plus the number it's easier

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Solve the proportion 4/x=8/(x-3)
jenyasd209 [6]

Answer:

x=-3

Step-by-step explanation:

4/x=8/(x-3)

We can solve this using cross products

4 ( x-3) = 8x

Distribute

4x -12 = 8x

Subtract 4x from each side

4x-4x-12 = 8x-12-4x

-12 =4x

Divide each side by 4

-12/4 = 4x/4

-3 =x

4 0
3 years ago
Read 2 more answers
Guys please help me match these<br><br> Brainliest will go to the right answer
sergij07 [2.7K]

Answer:

Step-by-step explanation:

10 - m = m - 10                  is  one solution

7x + 5 = 7(x + 5)                is  no solution

3(t + 2) = (2 + 3t) + 4         is identity

hope this helps!

mark me brainliest :D

3 0
2 years ago
Tbh this question confusing the **** outta me​
trapecia [35]

Answer:

8^6

Step-by-step explanation:

Powers are defined as the number of times you multiply a number by itself. For example, 2 to the 3rd power is 2 multiplied by itself 3 times. 2 * 2 * 2 = 8. You also know that if you multiply two powers of the same base, you add the exponent, and if you raise a power to a different power, you multiply the exponents.

e.g:

2^2\cdot2^2=2^{2+2}=2^4\\(2^2)^3=2^{2\cdot3}=2^6

Now, we are asking to use grouping to write 2 to the power 18 as a power of 8. We know 2 to the power 8 is 2 to the power 3, so we have the following equation:

2^{18}=(2^3)^x

We know this is now 2 to the power 3x = 2 the power 18, and therefore x = 6, because 3 times 6 is equal to 18. Now, we can just simplify 2 to the third as 8 and we now have:

8^6

4 0
2 years ago
Given the argument: Q / M v-Q // M M .Q This argument is:<br> Valid or Invalid
Sliva [168]
The answer is invalid
4 0
3 years ago
Helpppppppppppppppppppp. Pleaseeee
Alex Ar [27]

Answer:

3 hr(s)

Step-by-step explanation:

20 km/1 hour

60km/20km = 3

4 0
3 years ago
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