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3 years ago

Solve for x in the equation 2x^2+3x-7 = x^2+ 5 x + 39

Mathematics

2 answers:

AnnyKZ [126]3 years ago

8 0

Answer:

$X=1+\sqrt{47}$

Step-by-step explanation:

Hope this helps

Mark me as brainiest

Ne4ueva [31]3 years ago

5 0

Answer:

x1= 1 + √47

x2= 1 - √47

I use a handheld calculator to solve the problem

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Jonus watches the second hand on an analog clock as it moves past the numbers. What is the

slega [8]

Answer:1/12 or 8.3

Step-by-step explanation:

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3 years ago

What is the distance between the points (21 , 13) and (3 , 13) in the coordinate plane?

Oxana [17]

Answer:

$\displaystyle d = 18$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Coordinates (x, y)

Algebra II

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

Step-by-step explanation:

Step 1: Define

Identify

Point (21, 13)

Point (3, 13)

Step 2: Find distance d

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

Substitute in points [Distance Formula]: $\displaystyle d = \sqrt{(3-21)^2+(13-13)^2}$
[√Radical] (Parenthesis) Subtract: $\displaystyle d = \sqrt{(-18)^2+(0)^2}$
[√Radical] Evaluate exponents: $\displaystyle d = \sqrt{324+0}$
[√Radical] Add: $\displaystyle d = \sqrt{324}$
[√Radical] Evaluate: $\displaystyle d = 18$

5 0

3 years ago

Help please I GIVE LOTS OF POINTS

stiks02 [169]

Question 1 C

Question 2 D

Question 3 B

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3 years ago

(: IF U HELP ME U WILL GET POINTS, A STAR AND A THANK YOU AND U WILL ALSO GET BRAINLIST! (MATH) :)

kumpel [21]

Answer:

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

I really need help with this math problem.

Art [367]

Answer D.

$(36\dfrac{3}{4} +36\dfrac{3}{8} +37\dfrac{1}{2} +z):4=36\dfrac{5}{8}\\\\\\36\dfrac{6}{8} +36\dfrac{3}{8} +37\dfrac{4}{8} +z=4\cdot36\dfrac{5}{8}\\\\\\36\dfrac{6}{8} +36\dfrac{3}{8} +37\dfrac{4}{8} +z=4\cdot36\dfrac{5}{8}\\\\\\109\dfrac{13}{8}+z=4\cdot36+4\cdot\dfrac{5}{8}\\\\\\110\dfrac{5}{8}+z=144+\dfrac{20}{8} \\\\\\z=144+\dfrac{20}{8} -110-\dfrac{5}{8}\\\\\\z=34+\dfrac{15}{8}\\\\\\z=34+1\dfrac{7}{8}\\\\\\z=35\dfrac{7}{8}$

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3 years ago