(10−523)⋅(−2)+x=823 Anybody???

1 answer:

5 0

Answer:

x = - 203

Step-by-step explanation:

(10−523)⋅(−2)+x=823

( - 513) * (-2) + x = 823

1026 + x = 823

x = 823 - 1026

x = - 203

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aliya0001 [1]

Answer:

201 students play basketball.

Step-by-step explanation:

total students who played sports = 347

58 % played basketball.

That is ,

$\frac{58}{100} \times 347 = 201.26$

Since number of students cannot be in decimals we take the nearest whole number = 201.

6 0

3 years ago

denpristay [2]

Answer:

$\displaystyle x \approx 38.2 ^{\circ}$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Equality Properties

Pre-Calculus

Law of Sines: $\displaystyle \frac{sin(A)}{a} =\frac{sin(B)}{b} =\frac{sin(C)}{c}$

Step-by-step explanation:

Step 1: Identify

A = 27°, a = 11

B = x°, b = 15

Step 2: Solve for x

Substitute [LOS]: $\displaystyle \frac{sin(27^{\circ})}{11} =\frac{sin(x^{\circ})}{15}$
Cross-multiply: $\displaystyle 11sin(x^{\circ}) = 15sin(27^{\circ})$
Isolate x term: $\displaystyle sin(x^{\circ}) = \frac{15sin(27^{\circ})}{11}$
Isolate x: $\displaystyle x = sin^{-1}(\frac{15sin(27)}{11})$
Evaluate: $\displaystyle x = 38.2488 ^{\circ}$
Round: $\displaystyle x \approx 38.2 ^{\circ}$