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4 years ago

6

Let U be the set of students in a high school. The school has 800 students with 20 students on the gymnastic team and 10 student

s on the chess team. Select the Venn diagram if three students are on both teams.

1 answer:

expeople1 [14]4 years ago

7 0

The vern diagram? can u send a picture of the options?

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What is the perimeter of this figure?

Tpy6a [65]

Answer:

66.56cm = perimeter

Step-by-step explanation:

First find the easy part (the rectangle)

10+10+17+17=54

subtract the part that is not really there (dashes)

54-8=46

Add the height of the circular part

46+8=54

Find the circumference of a circle with a radius of 8

2(8)(3.14)=50.24

Divide by 4 (the circumference is only 1/4 of the the actual circle in this problem)

50.24/4=12.56

Add all of it together

12.56+54=66.56

7 0

4 years ago

An Italian restaurant made 6 breadsticks for a table of four people. How many breadsticks will they need to make if they are exp

inessss [21]

Answer:

i think that is 147

Step-by-step explanation:

6 0

3 years ago

Find the zeroes of the following equation:

weqwewe [10]

Answer: $\bold{x=\dfrac{1\pm \sqrt5}{2}}$

both zeros are irrational numbers

<u>Step-by-step explanation:</u>

Note: The question would have made more sense if if it was 2/x = x - 1 but I will answer it as written.

$\dfrac{1}{x}=x-1\qquad \text{Restriction: }x\neq 0\\\\\\\text{Cross multiply, simplify, and set equal to zero:}\\1=x(x-1)\\\\1=x^2-x\\\\0=x^2-x-1\\\\\\\text{This is not factorable so you will need to use Quadratic Formula:}\\\\x=\dfrac{-(-1)\pm \sqrt{(-1)^2-4(1)(-1)}}{2(1)}\\\\\\x=\dfrac{1\pm \sqrt5}{2}$

7 0

3 years ago

Which expression represents:<br> the sum of a number and 12<br> N 12<br> 1 x 12<br> 12 m<br> 12

marysya [2.9K]

Sum is the result of adding so
12 + x, but i don't see it as a option.

7 0

3 years ago

Give an example of tangents in the real world that have not been presented in this lesson. Explain how you know the tangent and

EastWind [94]

Answer:

I'll give you three examples of tangents in the real world:

<u>Ski on a snowy mountain. </u>
<u>A street under a car wheel. </u>
<u>The line formed between the armpit and a deodorant type roll on.</u>

Step-by-step explanation:

Remember <em><u>a tangent is a straight line that touches a curve in a point</u></em>, by this reason, you can search examples where there are curves (like the snowy mountain, car wheel and the deodorant type roll on in the answer), touched by a beeline (ski, street, and armpit) in just a point, in the same form, you can use as an example a ball on a soccer field and others. I don't know what examples gave you in the lesson but I'm sure at least one of the examples I give you must function.

3 0

3 years ago