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ddd [48]
3 years ago
12

6у — 10+ 6у + 10=180​

Mathematics
2 answers:
Vlad1618 [11]3 years ago
8 0

Answer: y = 15

Step-by-step explanation:

6y - 10 + 6y + 10 = 180

    + 10          - 10     -10 +10

12y = 180

12y/12 = 180/12

y = 15

               

DiKsa [7]3 years ago
8 0

Answer:

y = 15

Step-by-step explanation:

1st group like terms 6y+6y-10+10=180

2nd add similar elements: 6y+6y=12y

        -10 + 10  = 0

3rd Divide both sides by 12: 12y ÷ 12 = 180 ÷ 12

4th simplify: y = 15

Hope I helped :)

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A bonus of £2100 is shared by 10 people who work for a company. 40 percent of the bonus is shared equally between 3 managers. Th
Alja [10]

Answer:

Salesman is not correct

Step-by-step explanation:

First we calculate the share of salesman when 60 percent of bonus is shared among 7 salesmen:

Bonus Share For 7 Salesmen = (0.6)(£ 2100)

Bonus Share For 7 Salesmen = £ 1260

Now, this is equally divided among 7 salesmen:

Bonus Share of 1 Salesmen (when 60% is shared) = S₁ = £ 1260/7

S₁ = £ 180

Now, we calculate the share each salesmen get if bonus is equally divided among 10 people:

Bonus Share of 1 Salesmen (when equally shared) = S₂ = £ 2100/10

S₂ = £ 210

S₂/S₁ = £ 210/£ 180

S₂/S₁ = 1.16

S₂ = 1.16S₁

S₂ = 116% of S₁

This means that if bonus is equally divided between all 10 people then the salesman will get 16 percent more money.

<u>Therefore, salesman is not correct</u>

6 0
3 years ago
I need help ASAP can someone please help me right away​.​
lisov135 [29]

Answer:

45 degrees

Step-by-step explanation:

Think of this web as a circle. This circle is divided into 8 equal pieces.

A circle has 360 degrees in it. If we divide 360 by 8, we get 45. This means that each wedge is 45 degrees, which means that in order to rotate the image to look the same, we must rotate it by 45 degrees.

5 0
3 years ago
Read 2 more answers
Please help I’ll give brainliest!!
natta225 [31]

Answer:

hi

Step-by-step explanation:

8 0
3 years ago
The radius is 5 Given that the measurement is in centimeters, find the area of the circle to the nearest tenth. (Use 3.14
Vsevolod [243]

Answer:

A = 78.5 cm^2

Step-by-step explanation:

The area of a circle is given by

A = pi r^2

We know r =5 and pi = 3.14

A = 3.14 (5^2)

A = 3.14 (25)

A = 78.5 cm^2

6 0
3 years ago
A tank initially contains 40 ounces of salt mixed in 100 gallons of water. a solution containing 4 oz of salt per gallon is then
stellarik [79]
Let A(t) be the amount of salt in the tank at time t. We're given that A(0)=40. The rate at which this amount changes is given by

A'(t)=\dfrac{5\text{ gal}}{1\text{ min}}\cdot\dfrac{4\text{ oz}}{1\text{ gal}}-\dfrac{5\text{ gal}}{1\text{ min}}\cdot\dfrac{A(t)\text{ oz}}{100+(5-5)t\text{ gal}}

A'(t)+\dfrac{A(t)}{20}=20

e^{t/20}A'(t)+e^{t/20}\dfrac{A(t)}{20}=20e^{t/20}

\bigg(e^{t/20}A(t)\bigg)'=20e^{t/20}

e^{t/20}A(t)=400e^{t/20}+C

A(t)=400+Ce^{-t/20}

Since A(0)=40, we get

40=400+C\implies C=-360

so that the amount of salt at time t is

A(t)=400-360e^{-t/20}

After 20 minutes, the tank contains

A(20)=400-360e^{-20/20}\approx267.56\text{ oz}
6 0
3 years ago
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