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navik [9.2K]
2 years ago
12

Please help. Cesium-137 has a half-life of 30 years. Identify the amount of cesium-137 left from 150 milligram sample after 120

years.
1.325 mg
0.9375 mg
9.3750 mg
1.097 mg
Mathematics
1 answer:
Savatey [412]2 years ago
8 0

Answer:

1.325 mg

have a good day :)

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PLZ HELP WILL GIVE BRAINLIEST
Naddik [55]

y  = -0.65 (6) + 7.34

y = 3.44

but the dot plot showed when x = 6, y = 4

so 4 - 3.44 = 0.56

Answer

0.56



3 0
3 years ago
A triangle has angles that measure 117°, 16°, and 47°. What kind of triangle is it?
Travka [436]
Root 16²+47² = 49.648 ≈ 50
and since 117 > 50
the answer is A.Obtuse
7 0
3 years ago
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You earn $1,166 gross taxable income every week, and have claimed no exemptions. assuming that you have no other sources of inco
Lapatulllka [165]

They are exempt from income tax and we would get the income tax withheld as $340

<h3>What is income tax?</h3>

Income tax is a tax applied on individuals or entities concerning income or profit earned by them.

You earn $1,166 gross taxable income every week and have claimed no exemptions. assuming that you have no other sources of income.

Gross taxable Income = $ 1,166

Rate of Income tax = 30%

Amount of income tax = 30 % of 1,166

 = 30/100 × 1,166

= $339.6

= $340

Therefore. they are exempt from income tax and we would get the income tax withheld as $340.

Read more about taxable income here:

brainly.com/question/25641320

6 0
2 years ago
Read 2 more answers
Renee has two job offers to be a door-to-door
kirza4 [7]

Answer:

Renee would have to sell 750 food processors for both companies to pay her the same amount. Also, if Renee expects to sell less than 750 food processors she should accept Puree Processors offer but if she expects to sell more than 750 food processors, she should accept Pro Process Processors offer.

Step-by-step explanation:

In order to determine the number of food processors Renee would have to sell for both companies to pay her the same amount, you can write an expression in which the salary at  Pro Process Processors is equal to the salary at Puree Processors, which can be expressed as:

15,000+25x=18,000+21x

Now, you can solve for x that represents the number of food processors:

15,000+25x=18,000+21x

25x-21x=18,000-15,000

4x=3,000

x=3,000/4

x=750

According to this, Renee would have to sell 750 food processors for both companies to pay her the same amount. Also, if Renee expects to sell less than 750 food processors she should accept Puree Processors offer but if she expects to sell more than 750 food processors, she should accept Pro Process Processors offer.

6 0
3 years ago
Choose the system of equations which matches the following graph:
PolarNik [594]

Answer:

Option a

- x + 2y = −10

3x − y = 12

Step-by-step explanation:

step 1

Find the equation of the line with negative slope

we know that

The line with negative slope has a y-intercept at (0,-5)  and passes through the point (2,-6)

Find the slope

m=(-6+5)/(2-0)=-\frac{1}{2}

The equation in slope intercept form is

y=-\frac{1}{2}x-5

Convert to standard form

Multiply by 2 both sides

2y=-x-10\\x+2y=-10

step 2

Find the equation of the line with positive slope

The line with positive slope has a x-intercept at (4,0)  and passes through the point (2,-6)

Find the slope

m=(-6-0)/(2-4)=3

The equation of the line in point slope form is equal to

y-y1=m(x-x1)

we have

m=3\\point\ (4,0)

substitute

y-0=3(x-4)

Convert to standard form

y=3x-12\\3x-y=12

therefore

The system of equations is

- x + 2y = −10

3x − y = 12

7 0
3 years ago
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