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Mathematics

1 answer:

Akimi4 [234]3 years ago

7 0

1. x <= 31
2. x < 28

For number 1, x is less than or equal to 31 because the number of days in a month (represented by x) will be less than or equal to 31.

For number 2, x is less than 28 because the number of students (represented by x) in each class will always be less than 28.

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What is the degree measure of an arc 4(pi) ft. long in a circle of radius 10 ft.?

olya-2409 [2.1K]

Hey there!

$20*pi/360=4*pi/x solve for x x=360*4*pi/(20*pi)=72 degrees$

Your correct answer would be. . .

$\boxed{\boxed{72}}$

Hope this helps.
~Jurgen

3 0

3 years ago

Read 2 more answers

Question 2

svetoff [14.1K]

Answer:

A: 37/41

Step-by-step explanation:

<u>We can observe that:</u>

The difference of the second and third numbers is equal to 17
The difference of the first and fourth numbers is equal to 13

<u>Therefore the missing pair will be:</u>

20+17 = 37 and 28 + 13 = 41

Correct choice is A

3 0

3 years ago

2d +9= 19<br> The solution is d =

Novosadov [1.4K]

${\huge{\boxed{\mathbb{QUESTION}}}$

2d +9= 19

The solution is d =

${\huge{\boxed{\mathbb{ANSWER\:WITH\:EXPLANATION}}}$

Hello there, first we can place our equation, which you have stated

$2d+9=19$ , this algebra, in algebra we want to find the exact value of the variable, or have the variable on one side of the equation.

First we can subtract $9$ with both sides of the equation giving us the result of $2d=10$ , this can also be represented as $2\cdot d=10$ , now just divide both sides of the equation by $2$ , our answer is $d=5$ .