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Nata [24]
3 years ago
7

Jeremy and Karina are playing the "Integer Card Game". Jeremy drew three cards, -1, 8, and - 3.

Mathematics
2 answers:
Digiron [165]3 years ago
3 0

Answer:

3

Step-by-step explanation:

Semenov [28]3 years ago
3 0

Answer:

-1 + 8 + (-3) = 4

Step-by-step explanation:

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Can someone pleaseeee tell me what these areee
Dima020 [189]

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I really hope this helps. Good luck!

5 0
3 years ago
A sample of 400 grams of radioactive substance decays according to the function A(t) = 400e^-.046t, where t is the time in years
algol13

Answer: There will be 0.04 grams will be left in the sample after 20 years.

Step-by-step explanation:

Since we have given that

A(t)=400e^{-0.46t}

Here, Initial amount of radioactive substance = 400 grams

We need to find the amount of substance that will be left in the sample after 20 years.

So, t = 20 years

So, it becomes,

A(t)=400e^{-0.46\times 20}\\\\A(t)=400e^{-9.2}\\\\A(t)=0.04\ grams

Hence, there will be 0.04 grams will be left in the sample after 20 years.

6 0
3 years ago
20 pts please get this right
Serga [27]

Answer:

The answer is C. Citizens vote for the president. Hope this helps! Have a great day!

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
2) How many unique triangles can be drawn with side lengths 5 cm, 10 cm, and 14 cm?
iogann1982 [59]

Answer:

i wanna start a family with you ok

Step-by-step explanation:

.........................................

8 0
3 years ago
Write a quadratic function in vertex form whose graph has the vertex
ELEN [110]

Answer:

y = \frac{1}{2}(x - 5)² - 2

Step-by-step explanation:

The equation of a parabola in vertex form is

y = a(x - h)² + k

where (h, k) are the coordinates of the vertex and a is a multiplier

Here (h, k) = (5, - 2), thus

y = a(x - 5)² - 2

To find a substitute (7, 0) into the equation

0 = a(7 - 5)² - 2

0 = 4a - 2 ( add 2 to both sides )

2 = 4a ( divide both sides by 4 )

a = \frac{2}{4} = \frac{1}{2}

y = \frac{1}{2} (x - 5)² - 2 ← in vertex form

4 0
2 years ago
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