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NISA [10]
3 years ago
12

Having trouble with the Order Of Operations?

Mathematics
2 answers:
emmasim [6.3K]3 years ago
8 0

Great tip!

PEMDAS is important to use because if you don’t, you could possibly get the wrong answer to the equation. Thanks for sharing!


-AaronWiseIsBae

CaHeK987 [17]3 years ago
3 0
I think it’s called bedmas where b is for brackets anyways thanks for the tip
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 A store is instructed by corporate headquarters to put a markup of 67​% on all items. An item costing ​$12 is displayed by the
Elis [28]

Answer:

20.04

Step-by-step explanation:

He marked it down to 67%. Not up

7 0
2 years ago
Bianca is planting trees along her driveway, and she has 55 sycamores and 55 palm trees to plant in one row. What is the probabi
Oliga [24]

Answer:

0.0079 = 0.79% probability that she randomly plants the trees so that all 5 sycamores are next to each other and all 5 palm trees are next to each other.

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

The trees are arranged, so, to find the number of outcomes, the arrangements formula is used.

Arrangements formula:

The number of possible arrangements of n elements is given by:

A_n = n!

Desired outcomes:

5 sycamores(5! possible ways) and then the 5 palm trees(5! possible ways)

5 palm trees(5! possible ways) then the 5 sycamores(5! possible ways).

D = 2*5!*5!

Total outcomes:

Arrangements of 10 plants, so:

T = 10!

What is the probability that she randomly plants the trees so that all 5 sycamores are next to each other and all 5 palm trees are next to each other?

p = \frac{D}{T} = \frac{2*5!*5!}{10!} = 0.0079

0.0079 = 0.79% probability that she randomly plants the trees so that all 5 sycamores are next to each other and all 5 palm trees are next to each other.

6 0
2 years ago
David told Jen, "Write three two-digit numbers. I'll add three more and give you the sum right away." Jen wrote 53, 42, and 31.
alina1380 [7]
He is correct. The pattern is -11,-11+15,+11 and +11
8 0
2 years ago
Geometry express the area of a square with sides of length 5ab as a monomial
kolbaska11 [484]
The area of a square is length^2

(5ab)² = (5ab)*(5ab) = 25a²b²
4 0
2 years ago
Please help!! please explain, if explained you will get a brainlest and bonus points thank you!!
babunello [35]

Answer:

108m²

Step-by-step explanation:

So we know to find the volume for a rectangular prism we need to multiply base * height * leght.

For this problem to make it a little easier we can seperate it into 2 rectangular prisms. and then add the volume of both after.

1st prism volume:

2 * 2 * 7 = 28cm²

2st prism volume:

5 * 2 * 8 = 80m²

Final prism volume:

28cm² + 80m² = 108m²

4 0
2 years ago
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