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3 years ago

Compare and contrast the radius, and the diameter of a circle. How are they alike? How are they different?

1 answer:

5 0

You should take into account that the radius is half the diameter and the diameter is the length from the side to side of a circle.

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If you used 1 drop of your sample and 4 drops of diluent what is your dilution ratio?

frez [133]

Answer:

1/5

Step-by-step explanation:

1 + 4 = 5

1/5

7 0

3 years ago

Read 2 more answers

Find the quotient. Simplify your answer.

brilliants [131]

Let's see

$\\ \rm\Rrightarrow \dfrac{s+1}{s^2+1}\div \dfrac{s^2}{6s^2}$

$\\ \rm\Rrightarrow \dfrac{s+1}{s(s+1)}\div\dfrac{1}{5s^2}$

$\\ \rm\Rrightarrow \dfrac{1}{s}\times{5s^2}$

$\\ \rm\Rrightarrow \dfrac{5s^2}{s}$

$\\ \rm\Rrightarrow 5s$

8 0

1 year ago

Help! im confuseddd!!!!!!!!!!

Assoli18 [71]

Answer:

sin B= square root of 3/ 2

Cos B= 1/2

tan B= square root of 3/1

Sin C=1/2

cos C square root of 3/2

tan C= 1/square root of 3

Step-by-step explanation:

4 0

2 years ago

The sum of the squares of two consecutive negative integers is 61. Find the smaller of the two integers

Marysya12 [62]

$x^2+(x+1)^2=61\\ x^2+x^2+2x+1-61=0\\ 2x^2+2x-60=0\ \ /:2\\ x^2+x-30=0\\ \Delta=1^2-4\cdot(-40)=1+120=121\ \ \Rightarrow\ \ \sqrt{\Delta} =11\\ \\ x_1= \frac{-1-11}{2} = \frac{-12}{2} =-6,\ \ \ \ x_2= \frac{-1+11}{2} = \frac{10}{2}=5\\ \\Ans.:x=-6$

3 0

3 years ago

Only number one please help

Alex73 [517]

Answer:

C) 75 + 50x = 25 + 70x

Step-by-step explanation:

ABC Tech:

$50 an hour. So,for x hours= 50 * x = 50x

Service charge = 75 + 50x

Tech Squad:

$70 an hour. So,for x hours= 70 * x = 70x

Service charge = 25 + 70x

C) 75 + 50x = 25 + 70x

50x - 70x = 25 - 75

-20x = -50

x = -50/-20

x =5/2 = 2 $\frac{1}{2}$ hours

6 0

3 years ago