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3 years ago

For lunch, Jess bought a glass of milk for $1.60, a chicken sandwich for $4.30, as well as

Mathematics

1 answer:

ArbitrLikvidat [17]3 years ago

6 0

Answer:$8.00

Step-by-step explanation:

Add them then u minus the $17.00

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How do you find the derivative

nirvana33 [79]

Answer:

h'(x) = -10x + 20

Step-by-step explanation:

To get the derivative of $ax^{n}$ , simply use the following formula:

$a(n)x^{n-1}$

We have the function, h(x) = -5x^2 + 20x

Using the formula, we get the derivative to be:

-10x + 20

so h'(x) = -10x + 20

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2 years ago

How many solutions does the nonlinear system of equations graphed below have? A. Zero B. One C. Two D. Four

rewona [7]

Answer:

D, 4

Step-by-step explanation:

The graph crosses the x-axis 4 different times

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3 years ago

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Can somebody help me with this question?

Naya [18.7K]

Answer:

whats the question

Step-by-step explanation:

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3 years ago

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PLEASE ANSWER ASAP! THANK YOU! SUPER EASY! Mrs. Davis is planning to put a circular rug in her living room. The circumference of

netineya [11]

Answer:

Part A) The diameter of the rug is $10\ ft$

Part B) The radius of the rug is $r=5\ ft$

Part C) The area of the rug is $78.5\ ft^{2}$

Step-by-step explanation:

Part A) Find the diameter of the rug

we know that

The circumference of a circle (circular rug) is equal to

$C=\pi D$

where

D is the diameter

we have

$C=31.4\ ft$

$\pi=3.14$

substitute the values and solve for D

$31.4=(3.14)D$

$D=31.4/(3.14)=10\ ft$

Part B) Find the radius of the rug

we know that

The radius of a circle (circular rug) is half the diameter

we have

$D=10\ ft$

$r=D/2$

substitute

$r=10/2=5\ ft$

part C) What is the area the rug is covering?

The area of the circle (circular rug) is equal to

$A=\pi r^{2}$

we have

$r=5\ ft$

$\pi=3.14$

substitute

$A=(3.14)(5)^{2}$

$A=78.5\ ft^{2}$

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3 years ago

A stunt driver wants to make his car jump over 8 cars parked side by side below a horizontal ramp. The vertical height of the ra

mr Goodwill [35]

Answer:

v=26.41 m/s

Step-by-step explanation:

From the Newtons laws of motions, we sew that x= (2v₁²sin∅os∅)/g where x is the horizontal distance v is the initial speed and ∅ is the launch angle.

From trigonometry we see that 2 sin∅cos∅=sin 2∅

Therefore, x=(v²sin2∅)/g

x=22m

∅=9°

g=9.8m/s²

22m=v²×sin(2×9)/(9.8m/s²)

v²=(22×9.8)/(sin 18)

v²=697.696

v=√697.696

v=26.41 m/s

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3 years ago