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Alex777 [14]
2 years ago
10

Each week, the price of oranges at the farmer's market increases by 20%. The price of oranges this week is 2.50 What was the pri

ce last week
Mathematics
2 answers:
yarga [219]2 years ago
3 0
The price last week was $2.08
Nitella [24]2 years ago
3 0

Answer:4.50

Step-by-step explanation:

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Solve the equation.<br><br> <img src="https://tex.z-dn.net/?f=w%2F3%20%3D%20-9" id="TexFormula1" title="w/3 = -9" alt="w/3 = -9"
kvasek [131]

Answer:

w= -27

Step-by-step explanation:

w/3 = -9

w = 3 * -9 = -27

7 0
2 years ago
Evaluate the surface integral ∫sf⋅ ds where f=⟨2x,−3z,3y⟩ and s is the part of the sphere x2 y2 z2=16 in the first octant, with
skad [1K]

Parameterize S by the vector function

\vec s(u,v) = \left\langle 4 \cos(u) \sin(v), 4 \sin(u) \sin(v), 4 \cos(v) \right\rangle

with 0 ≤ u ≤ π/2 and 0 ≤ v ≤ π/2.

Compute the outward-pointing normal vector to S :

\vec n = \dfrac{\partial\vec s}{\partial v} \times \dfrac{\partial \vec s}{\partial u} = \left\langle 16 \cos(u) \sin^2(v), 16 \sin(u) \sin^2(v), 16 \cos(v) \sin(v) \right\rangle

The integral of the field over S is then

\displaystyle \iint_S \vec f \cdot d\vec s = \int_0^{\frac\pi2} \int_0^{\frac\pi2} \vec f(\vec s) \cdot \vec n \, du \, dv

\displaystyle = \int_0^{\frac\pi2} \int_0^{\frac\pi2} \left\langle 8 \cos(u) \sin(v), -12 \cos(v), 12 \sin(u) \sin(v) \right\rangle \cdot \vec n \, du \, dv

\displaystyle = 128 \int_0^{\frac\pi2} \int_0^{\frac\pi2} \cos^2(u) \sin^3(v) \, du \, dv = \boxed{\frac{64\pi}3}

8 0
2 years ago
Plz hurry help!!!!:) What is the length of AD? Round your answer to the nearest hundredth.
jolli1 [7]

Answer:

AD=5.82 units

Step-by-step explanation:

tan 31=3/BD

0.6009=3/BD

BD=5

AD^2=3^2 + 5^2

AD^2=9+25=34

AD=5.82

8 0
3 years ago
Read 2 more answers
(no links please and than you! :))
pashok25 [27]

Answer:

Line D represents a proportional relationship.

Step-by-step explanation:

In an easy way to explain what a proportional relationship is, it is basically a line graph that passes through the origin point. When a line graph passes through the origin point (0,0), it is proportional.

Other graphs do not intersect the origin points so they are not proportional.

6 0
3 years ago
Read 2 more answers
What is the answer to thisss?
Kryger [21]

The value of x is 14

<h3>How to solve for x?</h3>

From the question, the lines from the center of the circle to the chords have equal measures of 9 units

This line divides a chord into equal segments, where each segment is 7 units

So, we have:

x = 7 + 7

Evaluate

x = 14

Hence, the value of x is 14

Read more about chords at:

brainly.com/question/13950364

#SPJ1

3 0
1 year ago
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