19h

#### Write the equation of the line with x-intercept of -4 and y-intercept of 2. Hint:With those intercepts, (-4,0) and (0,2) are points on the line.

Write the equation of the line with x-intercept of -4 and y-intercept of 2. Hint:With those intercepts, (-4,0) and (0,2) are points on the line.

#### force in newtons on the window

The zoo is building a new polar bear exhibit, and wants to put a semi-circular window in the concrete wall of the swimming tank. (Note: picture is not to scale)If the semi-circle has diameter 70...
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1d

#### Calculate the width for a parking lot that will surround a building based on customer specifications.

The building that measures 90 m by 60 m is to be built on the lot and a paved parking lot of uniform width will surround the building. The paved lot is to have an area of 9000 m^2.a) How wide is...
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1d

#### Value determining for cuboid

A manufacturer wishes to make a container in the form of a closed box with thin sheet metal. The box is in the shape of a cuboid with a rectangular base whose length is twice the width of x metres...
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#### Math word problem

A solution of 60% fertilizer is to be mixed with a solution of 21% fertilizer to form 234 liters of a 43% solution. How many liters of the 60% solution must be used?

#### Math word problem

Yellows vary inversely as reds cubed. When there are 16 yellows, there are 4 reds. How many yellows are present when there are 8 reds?

#### Find the angle 𝜃 θ between the vectors 𝐚=10𝐢−𝐣−5𝐤 a = 10 i − j − 5 k and 𝐛=2𝐢+𝐣−8𝐤 b = 2 i + j − 8 k

Find the angle between the vectors and

#### Let 𝐚=⟨2,4,2⟩ a = ⟨ 2 , 4 , 2 ⟩ and 𝐛=⟨−4,0,3⟩ b = ⟨ − 4 , 0 , 3 ⟩ . Show that there are scalars 𝑠 s and 𝑡 t so that 𝑠𝐚+𝑡𝐛=⟨−18,−4,10⟩

Let and . Show that there are scalars and so that s=t=

#### Word math problem

The amount of oil used by a ship traveling at a uniform speed varies jointly with the distance and the square of the speed. If the ship uses 250 barrels of oil in traveling 500 miles at 48 mph,...
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3d

#### hw 7 question 10

Which function satisfies the equation below? (c is an arbitrary constant.)dR/dt= (0.2)R
R = c(0.1)t2
R = c(0.2)t
R = cet
R = c(0.1)R2
R = ce(0.2)t

4d

#### Precalculus homework

Find a possible formula for the trigonometric function whose values are in the following table.x 0 4 8 12 16 20 24y 3 -1 -5 -1 3 -1 -5'y=

#### Find the value of the definite integral if you know that...

13.5 8.5 13.5 11 ∫ f(x)dx = 2 ∫ f(x)dx = 8 ∫ f(x)dx = 8 ∫ f(x)dx = -146 6 ...
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#### ARC LENGTH AND SURFACE AREA

Find the area of the surface obtained by rotating the curve y=1+6x^2 from 𝑥=0 to x=4 about the y-axis.

5d

#### question number one

Find the equation of the tangent line to the curve y = 4e-5x at the point (0, 4).

#### How do I find the horizontal stretch or period of a sinusoidal function if I'm only given the radians per second?

"A Ferris wheel of diameter 16 m rotates at a rate of 0.4 rad/s and is lifted 2m off the ground. If a platform is made so passengers can board at the centre height of the ferris wheel as it goes...
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7d

#### Find the divergence of the vector field F

Find the divergence of the vector field F= (-yz, xe^y,e^x + z²) using the definition div F V F. Show all steps in finding this dot product, do not use a shortcut formula.

#### Which of the following vectors is perpendicular to 𝑎=(1,2,3) a = ( 1 , 2 , 3 ) and 𝑏=(1,−1,2) b = ( 1 , − 1 , 2 ) ?

which of the following is perpendicualr to said vector

#### Please help. Calculus question.

. If a is a Quadrant IV angle with cos(a)=√5/5 and sin(ß)=√10/10 where pi/2 ‹ß‹pi, finda. cos(a+B)b. sin(a+B)c. Tan(a+B)

8d

#### AREA BETWEEN CURVES

Find the area of the region between the curves:y=xy= root index 3 square root of x

8d

#### I’m unsure how to find this answer. It’s to determine what tan (pi+x) would be after being given the tan x value.

If tan x=3.5, then tan (pi + x) =

8d

#### Find sin(u/2) if sin u = 0.231 and u is in Quadrant-II.

if sinu=0.231 and u is in Quadrant-II.answer 4 decimal places.

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