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3 years ago

The figure shows a line graph and two shaded triangles to find the slope: (picture below)

Mathematics

2 answers:

just olya [345]3 years ago

7 0

Answer:

the answer is d because it is

kkurt [141]3 years ago

4 0

Answer:

D is the slope

Step-by-step explanation:

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A hiker climbed up from the bottom of a mountain. His elevation increased at a rate of 40 feet each hour. Which equation models

Nimfa-mama [501]

Answer:

I believe it is C

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

Which ordered pair is the best estimate for the solution of the system of equations

Colt1911 [192]

The ordered pair that is the best estimate for the solution of the system of equations is (7, 1/2)

The given system of equations is:

$y=-\frac{1}{2}x + 4.......................(1)\\\\y = \frac{1}{2}x-3..........................(2)$

Equate equations (1) and (2)

$-\frac{1}{2}x + 4=\frac{1}{2}x -3$

Solve for x in the equation above

$-\frac{1}{2}x -\frac{1}{2}x =-3-4\\\\-x=-7\\\\x=7$

Substitute x = 7 into equation (1)

$y=-\frac{1}{2}x + 4\\\\y=-\frac{1}{2}(7) + 4\\\\y=\frac{1}{2}$

The ordered pair that is the best estimate for the solution of the system of equations is (7, 1/2)

Learn more on system of equations here: brainly.com/question/13729904

5 0

3 years ago

Can someone please help me on this question I will give brainliest

xz_007 [3.2K]

Answer:

A) 3 in

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Equality Properties

Geometry

Surface Area of a Sphere: SA = 4πr²
Diameter: d = 2r

Step-by-step explanation:

Step 1: Define

SA = 23 in²

Step 2: Find r

Substitute [SAS]: 23 in² = 4πr²
Isolate r term: 23 in²/(4π) = r²
Isolate r: √[23 in²/(4π)] = r
Rewrite: r = √[23 in²/(4π)]
Evaluate: r = 1.35288 in

Step 3: Find d

Substitute [D]: d = 2(1.35288 in)
Multiply: d = 2.70576 in
Round: d ≈ 3 in

4 0

3 years ago

Find the unknown side lengths in these right triangles.

ivolga24 [154]

Answer:

Triangle 1 - $\sqrt{29$ (if they want simplest radical form) or 5.4 (if they want to the nearest tenth)

Triangle 2- i couldnt figure this one out- may not be true

Pythagorean Theorem is... C) true for all right triangles

Step-by-step explanation:

4 0

3 years ago

18. Find two numbers whose L.C.M is 3965 and G.C.F is 61

Artist 52 [7]

Answer:

305 and 793

Step-by-step explanation:

LCM * HCF = product

3965 * 61 = 241,865 = 5*13*61*61

HCF = 61 so

61*5 = 305

61 * 13 = 793

6 0

2 years ago