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castortr0y [4]
2 years ago
14

Please help me with the question please ASAP ASAP I’m begging please

Mathematics
1 answer:
WARRIOR [948]2 years ago
6 0

Answer: a= 144. b= 67

Step-by-step explanation:

Angle b and the angle of measure 113 are same side interior angles which sum to 180 (When 2 parallel lines are cut by a transversal, special angles are formed)

113+b=180. Subtract 113 from both sides.

b= 67 degrees

Now that you have b, the interior angles of four sided figures sum to 360.

a+113+67+36=360. Combine like terms.

a+216=360. Subtract 216 from both sides.

a= 144 degrees

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The weight of a radioactive isotope was 96 grams at the start of an experiment. After one hour, the weight of the isotope was ha
zimovet [89]
The starting weight of the radioactive isotope = 96 grams

Weight after one hour is half of the starting weight. So the weight of the radioactive isotope after 1 hour = 48 grams

After 2 hours the weight is half as compared to the weight after previous hour. So weight after 2 hours = 24 grams.

This means, after every hour the weight is being halved. The half life of radioactive isotope is one hour.

Since after every hour, the weight is being halved, the weight of the isotope can be modeled by an exponential equation.

So,

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3 0
2 years ago
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Answer:

<h3>            D){?}    x = 7</h3>

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7 0
3 years ago
<img src="https://tex.z-dn.net/?f=%5Cbf%203x%2B9%3D-18" id="TexFormula1" title="\bf 3x+9=-18" alt="\bf 3x+9=-18" align="absmiddl
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▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪

value of x is ~

  • \boxed{ - 9}

Here's the solution teeny ~

  • 3x + 9 =  - 18

  • 3x =  - 18 - 9
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  • x =  - 27 \div 3

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Hope it helps ~

6 0
2 years ago
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Answer and explanation please
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For the triangle, the shaded part, both the height and base are 12, so the area of it is:

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144 - 72 = 72

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3 years ago
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