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3 years ago

Can y’all help me I don’t understand this bc I didn’t pay attention when we learned this..?

Mathematics

2 answers:

Korolek [52]3 years ago

8 0

9514 1404 393

Answer:

C. ≥

Step-by-step explanation:

The wording "at least" means the same as "greater than or equal to," both in English and in math. The latter is usually how we describe the symbol ≥.

So, when (something) is "at least" 18, the symbol to use to describe that is ...

(something) ≥ 18 . . . . . . matches choice C

Alborosie3 years ago

7 0

Answer: the answer is c

Step-by-step explanation:

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Can someone please help me on this problem

Dafna1 [17]

Answer:

Step-by-step explanation:

Perimeter is all sides added together.

l is length, w is width, and P is perimeter.

$2l + 2w = P\\2(5x) + 2(x - 3) = 42\\10x + 2x - 6 = 42\\12x - 6 = 42\\12x = 48\\x = 4$

5 0

3 years ago

Read 2 more answers

Emma has a gift box in the shape of a cube. Each side of the box measures 9 centimeters. What is the volume of the gift box?

BARSIC [14]

Answer:

729

Step-by-step explanation:

Each side of the cube measures 9cm

The volume of a cube is V^3

Therefore the volume can be calculated as follows

= 9^3

= 729

Hence the volume is 729

3 0

2 years ago

a hand of 5-card draw poker is a simple random sample from the standard deck of 52 cards. How many 5 draw poker hands are there

emmasim [6.3K]

Answer:

2,598,960

Step-by-step explanation:

It is a combination because order doesn't matter. You wouldn't want to call A-K-Q-J-10 of hearts a different combination than 10-J-Q-K-A.

52 C 5 = 2,598,960

6 0

2 years ago

A class must have fewer than 18 students due to the number of desks that can be placed in the classroom. Write an inequality tha

forsale [732]

Answer:

n < 18
n ≥ 15

Step-by-step explanation:

The wording "fewer than" is translated to the math symbol "less than". The variable n represents the number of students.

<em>the number of students</em> is fewer than 18

translates to ...

n < 18

The wording "at least" translates to the math symbol "greater than or equal to."

<em>the number of students</em> is at least 15

translates to ...

n ≥ 15

8 0

2 years ago

Quick question if I had a problem that was sin x = 18.9/20 =.945 how would I inverse sin of both sides ?

galben [10]

Answer:

The result is about 70.9 degrees

Step-by-step explanation:

Easy for a calculator. If you're not using a calculator, it's much more tedious!

There is an inverse sine key on your calculator, but you may have to press a key (likely labeled 2nd or INV) first. The attached image shows a TI-83 display. To get the inverse sine, I first pressed the yellow 2nd key, then the sin key.

Check MODE first to make sure you're measuring angles in degrees (if that's what you want!). Some calculators display angle mode with a small letter at the top of the display, D, R, or G usually.

The left side of the equation produces just x.

$\sin{x}=.945\\\\\sin^{-1}(\sin{x})=\sin^{-1}(.945)\\x=\sin^{-1}(.945) \approx 70.9^\circ$

6 0

3 years ago