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3 years ago

(a+b)²=d Isolate a on one side

Mathematics

2 answers:

PilotLPTM [1.2K]3 years ago

8 0

Answer:

a=sqrt(d)-b, a=-sqrt(d)-b

Step-by-step explanation:

(a+b)^2=d

(a+b)=sqrt(d)

a+b=sqrt(d), a+b=-sqrt(d)

a=sqrt(d)-b, a=-sqrt(d)-b

Lemur [1.5K]3 years ago

8 0

The response is right

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Add.<br> (-2x + 7) + (-3x -9)

Nataliya [291]

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4 years ago

If A = 50 degrees, B = 62 degrees, and a = 4, find b.<br><br>Round to the nearest tenth.

____ [38]

Answer:

$b \approx 4.6$

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Equality Properties

<u>Pre-Calculus</u>

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

Step-by-step explanation:

<u>Step 1: Define</u>

A = 50°

B = 62°

a = 4

<u>Step 2: Solve for </u><em><u>b</u></em>

Substitute [LOS]: $\frac{sin(50)}{4} = \frac{sin(62)}{b}$
Cross-multiply: $bsin(50) = 4sin(62)$
Isolate <em>b</em>: $b = \frac{4sin(62)}{sin(50)}$
Evaluate: $b = 4.61042$
Round: $b \approx 4.6$

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3 years ago

MULTIPLE CHOICE GEOMETRY QUESTION

NikAS [45]

Answer:

Step-by-step explanation:

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3 years ago

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3 years ago

Question : if 9999 = 4, 8888 = 8, 1816 = 6, 1212 = 0, then 1919 =?

Butoxors [25]

<h2>Answer:</h2>

The answer is:

1919=2

<h2>Step-by-step explanation:</h2>

Let us assume the numbers as follows:

9=1

8=2

1=0

6=4

2=0

Hence, when we substitute the assumed values in each of the given numbers we obtain the result for each as follows:

9999=1+1+1+1

9999=4

8888=2+2+2+2

8888=8

1816=0+2+0+4

1816=6

1212=0+0+0+0

i.e.

1212=0

1919=0+1+0+1

i.e.

1919=2

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4 years ago

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