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inessss [21]
3 years ago
13

Please answer this question now

Mathematics
2 answers:
Airida [17]3 years ago
4 0

Answer:50

Step-by-step explanation:

rodikova [14]3 years ago
3 0

Answer:

113 degrees

Step-by-step explanation:

Measure of arc ADCB = 58+108+60 = 226 degrees

Measure of angle B = 226/2 = 113 degrees

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Any one smart and can help me catch up? ill give many points
Sergio [31]

Answer:

4/15

Step-by-step explanation:

1) find common denominator, 15 in this problem

\frac{4}{5}= \frac{12}{15}

2) solve

\frac{12}{15}- \frac{8}{15} = \frac{4}{15}

7 0
2 years ago
Solve the inequality. 3 – 2a < 7
Igoryamba
<span>3 – 2a < 7
Subtract 3 from both sides
-2a<4
Divide both sides so that the only thing remaining on the left side is the variable a.*Note: When you divide a negative number in a inequality, it automatically flips the greater than/less than sign to it's opposite side.
Final Answer: a>-2</span>
3 0
3 years ago
Please help thank you
PtichkaEL [24]

Answer:

  (d)  y = -5/2x -3

Step-by-step explanation:

All of the offered choices are in slope-intercept form, so it makes sense to put the given equation in that form. Solving for y, we get ...

  5x +2y = -4

  2y = -5x -4 . . . . . subtract 5x

  y = -5/2x -2 . . . . . divide by 2

The system of equations will have <em>no solution</em> if the equations are "inconsistent." That will be the case when the slope is the same, but the y-intercepts are different. That means you're looking for an answer of the form ...

  y = -5/2x +c . . . . . . where c is not -2

This matches the last choice:

  y = -5/2x -3

4 0
2 years ago
A 35 foot wire is secured from the top of a flagpole to a stake in the ground. If the stake is 14 ft from the base of the flagpo
IgorLugansk [536]
The answer is 32.07. Rounded to the nearest tenth is 32.1
3 0
3 years ago
Read 2 more answers
A sample of radium has a weight of 1.5 mg and a half-life of approximately 6 years.
pogonyaev

Answer:

0.75 mg

Step-by-step explanation:

From the question given above the following data were obtained:

Original amount (N₀) = 1.5 mg

Half-life (t₁/₂) = 6 years

Time (t) = 6 years

Amount remaining (N) =.?

Next, we shall determine the number of half-lives that has elapse. This can be obtained as follow:

Half-life (t₁/₂) = 6 years

Time (t) = 6 years

Number of half-lives (n) =?

n = t / t₁/₂

n = 6/6

n = 1

Finally, we shall determine the amount of the sample remaining after 6 years (i.e 1 half-life) as follow:

Original amount (N₀) = 1.5 mg

Half-life (t₁/₂) = 6 years

Number of half-lives (n) = 1

Amount remaining (N) =.?

N = 1/2ⁿ × N₀

N = 1/2¹ × 1.5

N = 1/2 × 1.5

N = 0.5 × 1.5

N = 0.75 mg

Thus, 0.75 mg of the sample is remaining.

5 0
3 years ago
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