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kykrilka [37]
3 years ago
7

Can someone help? 25 points

Mathematics
2 answers:
gregori [183]3 years ago
3 0

Answer:

t ≥ 18

Step-by-step explanation:

He has run 12 miles plus some more miles t.  He need to run at least 30 miles

12+t ≥ 30

Subtract 12 from each side

12+t-12 ≥ 30-12

t ≥ 18

4vir4ik [10]3 years ago
3 0

Answer:

t 》18

Step-by-step explanation:

t + 12 》30

t 》30 - 12

t 》18

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Y = 7/8u + 9, solve for u
vivado [14]

Answer:

u=\frac{8y-72}{7}

Step-by-step explanation:

Flip the equation.

\frac{7}{8}u+9=y

Add -9 to both sides

\frac{7}{8}u+9(-9)=y(-9)

\frac{7}{8}u=y-9

Divide both sides by 7/8

u=\frac{8y-72}{7}

hope this helps

3 0
3 years ago
36 pictures for $ or 24 pictures for $5​
Oksi-84 [34.3K]

Answer:

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2 years ago
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Think about plotting points in the complex plane to represent the following numbers: -3+8i, 4i, 6, 5-2i. (on the horizontal axis
9966 [12]
For this case we represent in the complex plane numbers of the form:
 a + bi
 
Where,
 a: real part
 bi: imaginary part
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8 0
3 years ago
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If log(a) = 1.2 and log(b)= 5.6, what is log(a/b)?
77julia77 [94]

Answer:

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Step-by-step explanation:

We know that log (a/b) = log a - log b

Since log a = 1.2 and log b = 5.6 , we can substitute these values into the equation.

                        log (a/b)  =   1.2 - 5.6

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8 0
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AveGali [126]

Answer:

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Step-by-step explanation:

Factor the following:

6 y^4 + 14 y^3 - 10 y^2

Factor 2 y^2 out of 6 y^4 + 14 y^3 - 10 y^2:

Answer: 2 y^2 (3 y^2 + 7 y - 5)

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