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2 years ago

If angle j has a measure of 37°, what is the measure of angle m

Mathematics

1 answer:

OlgaM077 [116]2 years ago

4 0

Answer:

measure of angle m is 37°

Step-by-step explanation:

cuz, angle m and angle j are vertical opposite angles hence their values will be equal .

so, we get angle m = angle j = 37°

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A.2.00<br>b. 2.50<br>c 5.25<br>d 10.50

klemol [59]

Answer:

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Step-by-step explanation:

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5 0

2 years ago

1.Arsenic-74 is used to locate brain tumors. It has a half-life of 17.5 days. 90 mg wereused in a procedure. Write an equation t

Sophie [7]

$1)\text{ }N_t\text{ = 90\lparen}\frac{1}{2})^{\frac{t}{17.5}}$

2) 5.625 mg will be left

Explanation:

1) Half-life = 17.5 days

initial amount of Arsenic-74 = 90 mg

To get the equation, we will use the equation of half-life:

$\begin{gathered} N_t\text{ = N}_0(\frac{1}{2})^{\frac{t}{t_{\frac{1}{2}}}} \\ where\text{ N}_t\text{ = amount remaining} \\ N_0\text{ = initial amount} \\ t_{\frac{1}{2}\text{ }}\text{ = half-life} \end{gathered}$ $N_t\text{ = 90\lparen}\frac{1}{2})^{\frac{t}{17.5}}$

2) we need to find the remaining amount of Arsenic-74 after 70 days

t = 70

$\begin{gathered} N_t=\text{ 90\lparen}\frac{1}{2})^{\frac{70}{17.5}} \\ N_t\text{ = 5.625 mg} \end{gathered}$

So after 70 days, 5.625 mg will be left

4 0

11 months ago

How can I solve (b)?

dsp73

90/3 parts of silver = 30 times multiplied by
tin = 12 × 30 = 360g
lead = 8 × 30 = 240g

12.5 / 23 = 0.5434 parts per metal

tin = 12 × 0.5434 = 6.5kg
lead = 8 × 0.5434 = 4.5kg
silver = 3 × 0.5434 = 1.5kg

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3 years ago

Please help me someone

Jobisdone [24]

Answer: itz d plz trust me

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2 years ago

What is the first and second, both have the same answers

padilas [110]

Answer:

Step-by-step explanation:

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2 years ago