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3 years ago

Addition, subtraction, multiplication, and division are all called ____.

Mathematics

2 answers:

Marysya12 [62]3 years ago

8 0

They are called the order of operations, or PEMDAS. Hope this helps!

Ugo [173]3 years ago

6 0

I believe the correct answer would be basic operations.
Hope it helps!

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Ryan has 10 apples hames to 7 how many are left

Naddik [55]

Answer:

Step-by-step explanation:

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2 years ago

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A helicopter hovers 500 feet above a small island. The figure shows that the angle of

Tamiku [17]

Answer:

435 ft

Step-by-step explanation:

Reference angle = <P = 49° (angle of elevation)

Opposite side = 500 ft

Adjacent side = d = ?

Apply trigonometric function, TOA.

This:

Tan P = opp/adj

Tan 49 = 500/d

d × Tan 49 = 500

d = 500/Tan 49

d = 434.643369 ≈ 435 ft (to the nearest foot)

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2 years ago

1. What is( - 1/2 + 2)<br>2. 4( 1/2+5/4) + (-5)<br>(please answer, I will mark brainliest)<br>:)

Ulleksa [173]

$\longrightarrow (-\dfrac{1}{2} +2)$

$\longrightarrow (-\dfrac{1}{2} +\dfrac{4}{2} )$

$\longrightarrow \dfrac{-1+4}{2}$

$\longrightarrow \dfrac{3}{2}$

$\sf \bold{\longrightarrow 1\dfrac{1}{2}}$ (final answer)

$\longrightarrow \sf 4(\dfrac{1}{2} +\dfrac{5}{4} ) + (-5)$

$\longrightarrow \sf 4(\dfrac{2}{4} +\dfrac{5}{4} ) + (-5)$

$\longrightarrow \sf 4(\dfrac{7}{4} ) + (-5)$

$\longrightarrow \sf 7-5$

$\longrightarrow \bold{\sf 2}$ (final answer)

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1 year ago

Please help! asap <br> d- 5.44

masya89 [10]

Answer:

Step-by-step explanation:

2.72 is the unit rate

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3 years ago

Find the least common denominator (LCD)11/6 and 4/9.

viva [34]

Answer: 18

Step-by-step explanation:

11/6 * 3/3 = 33/18

4/9 * 2/2 = 8/18

Hope this helps! Please give brainliest :)

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2 years ago