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3 years ago

H=-16t^2+16t+8 Help pls

Mathematics

1 answer:

Hitman42 [59]3 years ago

5 0

Step-by-step explanation: Your answer is in the photo

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Calculate the value of y

Reika [66]

157 degrees ... set 4x-5 = x+16 then solve, you should get x=7, plug in 7 for one of the equations and you'll get 23. subtract 23 from 180 and get 157. hope that helped :)

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3 years ago

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What’s the range of ()=−4|−2|−3

Tpy6a [65]

Answer:

Step-by-step explanation:

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A submarine is only allowed to change its depth by rising toward the surface in 60-meter stages. It starts off at -340 meters. A

balu736 [363]

-340 + 60 = -280 meters

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3 years ago

Find the area FOR BRANLIEST

KatRina [158]

Answer:

1120

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3 years ago

What is the value of x to the nearest tenth?

Colt1911 [192]

Answer:

C. 17.6

General Formulas and Concepts:

Math

Rounding

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Equality Properties

Multiplication Property of Equality
Division Property of Equality
Addition Property of Equality
Subtraction Property of Equality

Trigonometry

[Right Triangles Only] SOHCAHTOA
[Right Triangles Only] tanθ = opposite over adjacent

Step-by-step explanation:

Step 1: Identify Variables

Angle θ = 40°

Opposite Leg = x

Adjacent Leg = 21

Step 2: Solve for x

Substitute in variables [tangent]: $\displaystyle tan(40^\circ) = \frac{x}{21}$
[Multiplication Property of Equality] Isolate x: $\displaystyle 21tan(40^\circ) = x$
Rewrite: $\displaystyle x = 21tan(40^\circ)$
Evaluate: $\displaystyle x = 17.6211$
Round: $\displaystyle x \approx 17.6$

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3 years ago

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