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I am Lyosha [343]

3 years ago

13

50 POINTS! HELP MEE PLEASEEEEE

2 answers:

bonufazy [111]3 years ago

5 0

Answer:

the first is b

the second problem is d

Step-by-step explanation:

LuckyWell [14K]3 years ago

3 0

Answer:

1- B (3.1 times 10^3=3100)

2-c and d

Step-by-step explanation:

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Which expression represents the distance between the points (11, 4) and (5,8)?

antiseptic1488 [7]

Answer:

$\displaystyle d = 2\sqrt{13}$

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>

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>

Point (11, 4) → x₁ = 11, y₁ = 4

Point (5, 8) → x₂ = 5, y₂ = 8

<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]: $\displaystyle d = \sqrt{(5-11)^2+(8-4)^2}$
[√Radical] (Parenthesis) Subtract: $\displaystyle d = \sqrt{(-6)^2+(4)^2}$
[√Radical] Evaluate exponents: $\displaystyle d = \sqrt{36+16}$
[√Radical] Add: $\displaystyle d = \sqrt{52}$
[√Radical] Simplify: $\displaystyle d = 2\sqrt{13}$

4 0

3 years ago

Using the equation ŷ = 2.6 − 3.1x, what is the predicted value if x is 4.3?

Salsk061 [2.6K]

<h3>Answer: Choice A) -10.73</h3>

Work Shown:

Plug x = 4.3 into the equation given

ŷ = 2.6 − 3.1x

ŷ = 2.6 − 3.1(4.3)

ŷ = 2.6 − 13.33

ŷ = -10.73

Note: The symbol ŷ is read as "y hat". It's used to estimate the y value when it comes to regression equations.

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3 years ago

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miv72 [106K]

Answer:

½ mph

Step-by-step explanation:

1 mi. = 5280 ft.

2640⁄5280 = ½

I am joyous to assist you anytime.

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kirill [66]

<span>50 beats per minute i think

</span>

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3 years ago

6.5 tons is how many pounds

Sunny_sXe [5.5K]

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3 years ago

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