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wolverine [178]

3 years ago

6

I need help asap plz For the first too am I correct and i need help for the last one plz

1 answer:

photoshop1234 [79]3 years ago

7 0

Answer:

3.4 seconds

Step-by-step explanation:

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Simplify the following expression 2x-4y+3x2+7y-16x

Scorpion4ik [409]

45x is the answer to your question

3 0

4 years ago

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larisa86 [58]

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Step-by-step explanation:

8 0

3 years ago

Find the distance between the two points rounding to the nearest tenth (if necessary).

jek_recluse [69]

Answer:

$\displaystyle d \approx 9.8$

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right<u> </u>

<u>Algebra I</u>

Coordinate Plane

Coordinates (x, y)

<u>Algebra II</u>

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

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

Point (5, 7)

Point (-4, 3)

<u>Step 2: Find distance </u><em><u>d</u></em>

Simply plug in the 2 coordinates into the distance formula to find distance<em> d</em>

Substitute in points [Distance Formula]: $\displaystyle d = \sqrt{(-4 - 5)^2 + (3 - 7)^2}$
[√Radical] (Parenthesis) Simplify: $\displaystyle d = \sqrt{(-9)^2 + (-4)^2}$
[√Radical] Evaluate exponents: $\displaystyle d = \sqrt{81 + 16}$
[√Radical] Simplify: $\displaystyle d = \sqrt{97}$
[√Radical] Approximate: $\displaystyle d \approx 9.8$

3 0

3 years ago

Bonnie is by training for a half-marathon She already runs 8 miles per day. She wants to increase this by 2 miles a day for the

kherson [118]

Answer:

full chart below

Step-by-step explanation:

1x = 8 mi

2x = 10 mi

3x = 12 mi

4x = 14mi

5x = 16mi

5 0

3 years ago

Find the length and width of a similar rectangular screen if the length is 5 meters more than 6 times its width, and the viewabl

Sliva [168]

Answer:185 m , 60 m

Step-by-step explanation:

Given

Length is 5 m more than 6 times its width

Suppose width is $x$

So, length is given by $6x+5$

The area is given by $l\times b$

Put values of length and width

$\Rightarrow (6x+5)x=5550\\\Rightarrow 6x^2+5x-5550=0\\$

On solving the quadratic equation, we get $x=30$

Length is $6\times 30+5=185\ m$

Width is $x=30\ m$

7 0

3 years ago