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3 years ago

What is the approximate value of x in the diagram below?

Mathematics

2 answers:

Angelina_Jolie [31]3 years ago

6 0

Answer:

The approximate value of x in the diagram is 39.59

Step-by-step explanation:

erastova [34]3 years ago

5 0

There's no diagram! link it and i'll help :)

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The product of 2 numbers is -24 and their sum is -5. What are the two numbers and why are they the two numbers?

lana [24]

The numbers are (-8, 3) or (3, -8).

Step-by-step explanation:

Step 1: Given the product of the numbers are -24 and their sum are -5. Let the numbers be a and b. Form equations out of these details.

⇒ a + b = -5 ⇒ b = -5 - a

⇒ a × b = -24 -------- (1)

Step 2: Substitute the value of b in eq(1)

⇒ a × (-5 - a) = - 24

⇒ -5a - a² = -24

⇒ a² + 5a - 24 = 0

Step 3: Solve the quadratic equation for a.

a = (-5 ± √25 - 4 × 1 × -24)/2

= (-5 ± √121)/2

= - 16/2, 6/2 = -8 or 3

Step 4: For each value of a, find b.

When a = -8, b = -5 +8 = 3

When a = 3, b = -5 - 3 = -8.

6 0

3 years ago

Quadratic equation please help

Andre45 [30]

Answer:

x= -3+√2 or x= -3-√2 ( answer : A and B )

Step-by-step explanation:

hello :

x²+6x+9 = (x+3)².....identity

x²+6x+9 =2 means : (x+3)²=2

so : (x+3 = √2) or (x+3 = - √2)

so two solutions :

x= -3+√2 or x= -3-√2

7 0

3 years ago

P+q/2; use p=1, and q=-1

lana [24]

Answer:

Step-by-step explanation:

Plug p and q in

1+-1/2

0/2

If this helps please mark as brainliest

3 0

3 years ago

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Write the following in algebraic expression. u decreased 17

gregori [183]

Answer:

you divied 7 by 14 which is 2

Step-by-step explanation:

8 0

3 years ago

Find the distance between (4,6) and (-2, -2)

Nataly [62]

Answer:

$\displaystyle d = 10$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra II

Distance Formula: $\displaystyle d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

Step-by-step explanation:

Step 1: Define

Point (4, 6)

Point (-2, -2)

Step 2: Find distance d

Simply plug in the 2 coordinates into the distance formula to find distance d

Substitute [DF]: $\displaystyle d = \sqrt{(-2-4)^2+(-2-6)^2}$
Subtract: $\displaystyle d = \sqrt{(-6)^2+(-8)^2}$
Exponents: $\displaystyle d = \sqrt{36+64}$
Add: $\displaystyle d = \sqrt{100}$
Evaluate: $\displaystyle d = 10$

8 0

3 years ago

Read 2 more answers