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quester [9]
3 years ago
7

Shannon walked 1 2/3 miles on Wednesday and 2 3/5 miles on Thursday. What was the total distance, in miles,Shannon walked during

those 2 days?
Mathematics
1 answer:
Eduardwww [97]3 years ago
8 0
First, add the integers to get 3. Then, add 2/3 and 3/5 by converting them into fifteenths, for a total of 19/15, or 1 4/15. Add these together to get 4 4/15 miles.
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Find the area of the part of the plane 3x 2y z = 6 that lies in the first octant.
gavmur [86]

The area of the part of the plane 3x 2y z = 6 that lies in the first octant  is  mathematically given as

A=3 √(4) units ^2

<h3>What is the area of the part of the plane 3x 2y z = 6 that lies in the first octant.?</h3>

Generally, the equation for is  mathematically given as

The Figure is the x-y plane triangle formed by the shading. The formula for the surface area of a z=f(x, y) surface is as follows:

A=\iint_{R_{x y}} \sqrt{f_{x}^{2}+f_{y}^{2}+1} d x d y(1)

The partial derivatives of a function are f x and f y.

\begin{aligned}&Z=f(x)=6-3 x-2 y \\&=\frac{\partial f(x)}{\partial x}=-3 \\&=\frac{\partial f(y)}{\partial y}=-2\end{aligned}

When these numbers are plugged into equation (1) and the integrals are given bounds, we get:

&=\int_{0}^{2} \int_{0}^{3-\frac{3}{2} x} \sqrt{(-3)^{2}+(-2)^2+1dxdy} \\\\&=\int_{0}^{2} \int_{0}^{3-\frac{3}{2} x} \sqrt{14} d x d y \\\\&=\sqrt{14} \int_{0}^{2}[y]_{0}^{3-\frac{3}{2} x} d x d y \\\\&=\sqrt{14} \int_{0}^{2}\left[3-\frac{3}{2} x\right] d x \\\\

&=\sqrt{14}\left[3 x-\frac{3}{2} \cdot \frac{1}{2} \cdot x^{2}\right]_{0}^{2} \\\\&=\sqrt{14}\left[3-\frac{3}{2} \cdot \frac{1}{2} \cdot x^{2}\right]_{0}^{2} \\\\&=\sqrt{14}\left[3.2-\frac{3}{2} \cdot \frac{1}{2} \cdot 3^{2}\right] \\\\&=3 \sqrt{14} \text { units }{ }^{2}

In conclusion,  the area is

A=3 √4 units ^2

Read more about the plane

brainly.com/question/1962726

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5 0
1 year ago
Ble.<br> 6<br> co<br> 10<br> square units
Vlada [557]

Answer:

1/2×10×6=30

Step-by-step explanation:

H=6

L=10

therefore;

1/2×6×10=30

5 0
2 years ago
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PLEASE ANSWER WILL MARK BRAINLIEST
zepelin [54]

Answer:

Proof with Statement and Reason is below.

Step-by-step explanation:

Given:

In The Figure

BF ⊥ AC,CE ⊥ AB

To Prove:

Δ ACE ≅ Δ ABF

Proof:

In Δ ACE and Δ ABF

STATEMENT REASONS

1. BF ⊥ AC,CE ⊥ AB Given

2. m∠ BFA = 90°,m∠ CEA = 90° { Perpendicular Lines BF ⊥ AC,CE ⊥ AB }

3. AE = FA                 Given

4. m∠ A = m∠ A       {Reflexive property}

5. Δ ACE ≅ Δ ABF   By AAS Congruence Postulate

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Find the sum of 6x2 + 10x – 1 and -5x2 – 2x + 1.
Stolb23 [73]

Answer:

x2+8x

Step-by-step explanation:

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Hey please help meeeeeeeeeeeeeeeeee
kupik [55]

Answer:

the answer is 55 im pretty sure

Step-by-step explanation:

i used to do that all the time

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