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Vadim26 [7]
3 years ago
12

julio says if you subtract 15 from my number and multiply the difference by -7, the result is -42 what is julio number

Mathematics
2 answers:
natali 33 [55]3 years ago
8 0

Answer:

-10

Step-by-step explanation:

Viefleur [7K]3 years ago
8 0

Answer:

 309

Step-by-step explanation:

-42 x -7 = 294 + 15 = 309

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Write the equation log243(81) =4/5
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Step-by-step explanation:

log243(81)=4/5

81=243^4/5

Option B

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3 years ago
Find the value or measure. Assume all lines that appear to be tangent are tangent. X=
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According to the secant-tangent theorem, we have the following expression:

(x+3)^2=10.8(19.2+10.8)

Now, we solve for <em>x</em>.

\begin{gathered} x^2+6x+9=10.8(30) \\ x^2+6x+9=324 \\ x^2+6x+9-324=0 \\ x^2+6x-315=0 \end{gathered}

Then, we use the quadratic formula:

x_{1,2}=\frac{-b\pm\sqrt[]{b^2-4ac}}{2a}

Where a = 1, b = 6, and c = -315.

\begin{gathered} x_{1,2}=\frac{-6\pm\sqrt[]{6^2-4\cdot1\cdot(-315)}}{2\cdot1} \\ x_{1,2}=\frac{-6\pm\sqrt[]{36+1260}}{2}=\frac{-6\pm\sqrt[]{1296}}{2} \\ x_{1,2}=\frac{-6\pm36}{2} \\ x_1=\frac{-6+36}{2}=\frac{30}{2}=15 \\ x_2=\frac{-6-36}{2}=\frac{-42}{2}=-21 \end{gathered}<h2>Hence, the answer is 15 because lengths can't be negative.</h2>
7 0
1 year ago
jonathan is traveling from new york city to wellington, new zealand. thr latitude of new york city is 40.67°, and the latitude o
Cloud [144]
Well a difference is the difference between them. difference means subtraction. So so a difference can be written as:
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If you subtract a negative number you really add it. to make sense of this you could say 40.67 is 40.67 units away from zero in the positive direction. whereas -41.29 is 41.29 units away in the negative direction. since they go in opposite directions away from zero that means that thw length between them is extended and must then be added together. So
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3 0
3 years ago
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Alona [7]

Answer:

i believe you have to divide 8 by each number to get the distance between the pairs of integers.

Step-by-step explanation:

5 0
3 years ago
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lora16 [44]

Answer:

Yes, it graphs easily.

Step-by-step explanation:

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5 0
3 years ago
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