Selesaikan 3-7-9+15 | Microsoft Math Solver

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3 - 7 - 9 + 15

= 2

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2

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Faktor

2

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Kuiz

3 - 7 - 9 + 15

Video

Addition 4 | Addition and subtraction | Arithmetic | Khan Academy

Square Root Arithmetic

Basic subtraction | Addition and subtraction | Arithmetic | Khan Academy

Konsep Berkaitan

Penambahan

Penambahan ialah satu daripada empat operations asas bagi aritmetik; Tiga operasi yang lain ialah penolakan, pendaraban dan pembahagian. Penambahan dua nombor bulat ialah jumlah amaun nilai itu digabungkan. Misalnya, dalam gambar sebelah, terdapat gabungan tiga biji epal dan dua biji epal bersama, menjadikan jumlahnya lima biji epal. Pemerhatian ini setara dengan ungkapan matematik "3 + 2 = 5" i.e., "3 tambah 2 adalah sama dengan 5".

Aritmetik

Aritmetik permulaan

Aritmetik permulaan

Masalah Sama dari Carian Web

How do you find the slope of

(- 9, - 3), (- 7, - 5)

https://socratic.org/questions/how-do-you-find-the-slope-of-9-3-7-5

slope = - 1

Explanation: To calculate the slope use the

gradient formula

(\overline{\underline{∣ ∣ ∣ ∣ ∣ (\frac{2}{2}) (m = \frac{y _{2} - y _{1}}{x _{2} - x _{1}}) (\frac{2}{2}) ∣ ∣ ∣ ∣ ∣}})

How do you combine

(- 9 + i) + (6 - 2 i)

https://socratic.org/questions/how-do-you-combine-9-i-6-2i

- 3 - i

Explanation: You may add real and complex parts separately for a complex number in rectangular form.

∴ (- 9 + i) + (6 - 2 i) = (- 9 + 6) + i (1 - 2)

How do you find the product of

(9 b + 1) (5 b + 2)

https://socratic.org/questions/how-do-you-find-the-product-of-9b-1-5b-2-using-foil

(9 b + 1) (5 b + 2) = 45 b^{2} + 23 b + 2

Explanation: FOIL = First + Outside + Inside + Last is a useful mnemonic to help remember all of the ...

What is the distance between

(13, - 23, - 20)

(- 3, - 37, - 22)

https://socratic.org/questions/what-is-the-distance-between-13-23-20-and-3-37-22

See a solution process below: Explanation: The formula for calculating the distance between two points is:

d = ((x_{2}) - (x_{1}))^{2} + ((y_{2}) - (y_{1}))^{2} + ((z_{2}) - (z_{1}))^{2}

What is the angle between

< - 7, - 9, - 2 >

< 2, - 3, 5 >

https://socratic.org/questions/what-is-the-angle-between-7-9-2-and-2-3-5

= 87.7

º Explanation: The angle between 2 vectors is given by the dot product definition

a . b = ∥ a ∥ \cdot ∥ b ∥ \cdot cos θ

How do you evaluate

15 - 33 + 29

https://socratic.org/questions/how-do-you-evaluate-15-33-29

15 - 33 + 29 = 11

Explanation: Do the addition (

15 + 29

15 + 29 = 44

Now take the sum you just calculated

(44)

Kongsi

Disalin ke papan klip

-4-9+15

Tolak 7 daripada 3 untuk mendapatkan -4.

-13+15

Tolak 9 daripada -4 untuk mendapatkan -13.

2

Tambahkan -13 dan 15 untuk dapatkan 2.

Contoh

Persamaan kuadratik

x^{2} - 4 x - 5 = 0

4 sin θ cos θ = 2 sin θ

Persamaan linear

y = 3 x + 4

699 * 533

[2534] [2 - 1 0135]

Persamaan serentak

{8 x + 2 y = 46 7 x + 3 y = 47

\frac{d}{d x} \frac{( 3 x ^{2} - 2 )}{( x - 5 )}

\int_{0}^{1} x e^{- x^{2}} d x

x \to - 3 lim \frac{x ^{2} - 9}{x ^{2} + 2 x - 3}