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Katen [24]
3 years ago
15

What is d? 2/3 x d = 40

Mathematics
1 answer:
lys-0071 [83]3 years ago
3 0

Answer:

60

Step-by-step explanation:

2/3*d=40

d=40*3/2

d=60

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Mr. Smith works on a temporary basis. The mean length of each job he gets is three months. If the amount of time he spends betwe
Eduardwww [97]

Answer:

Mr Smith gets a new job, every 5 months on the average.

Step-by-step explanation:

Mr Smith spends an average of 3 months on every job he gets.

Then he spends an average of 2 months in between jobs.

Meaning, on the average, if he has a job, he does it for 3 months, then leaves, lends the next 2 months without a job, then gets another job at the end of the 2 months without a job and then he repeats the cycle of 3 months on the job, 2 months without the job.

So, on the average it takes Mr. Smith, (3+2) months to get a new job.

6 0
3 years ago
There are 5 times as many males as females on the maths course at university. What fraction of the course are female? Give your
koban [17]

Answer: 1/6

Step-by-step explanation: Let the no of females be x

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The total no of males and females in the math course be 5x+x= 6x

The fraction of females is x/6x = 1/6

4 0
3 years ago
Which equation has the solutions X=1 +-SQRT 5?
Vesna [10]

Answer:

D is correct. x^2-2x-4=0

Step-by-step explanation:

We are given the root of the equation

x=1+\pm \sqrt{5}

If we are given solution of the equation then find equation using formula.

If a and b are the solution of equation then equation would be (x-a)(x-b)=0

Here, a=1+\sqrt{5} , b=1-\sqrt{5}

Equation form would be (x-1-\sqrt{5})(x-1+\sqrt{5})=0

Now we simplify the above equation to get correct option.

x^2-x+x\sqrt{5}-x+1-\sqrt{5}-x\sqrt{5}+\sqrt{5}-5=0

x^2-2x-4=0

So, D is correct.  x^2-2x-4=0

8 0
3 years ago
Read 2 more answers
What is 3/4 fraction as a mixed number​
lyudmila [28]

Answer:

0 3/4

Step-by-step explanation:

8 0
3 years ago
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What is the exact radian measure of an angle of 132
Pepsi [2]
Since we know that in π radians there are 180°, thus how many radians in 132°?

\bf \begin{array}{ccll}
de grees&radians\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
180&\pi \\
132&x
\end{array}\implies \cfrac{180}{132}=\cfrac{\pi }{x}\implies x=\cfrac{132\cdot \pi }{180}\implies \stackrel{simplified}{\cfrac{11\pi }{15}}
6 0
3 years ago
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