2 years ago

Help! Please!! I will give brainliest!!

Mathematics

2 answers:

Luden [163]2 years ago

7 0

Answer:

<em>You would need 10 yards of fabric</em>

Step-by-step explanation:

Eduardwww [97]2 years ago

7 0

you will need 10....

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Can you help I'm confused

Brrunno [24]

Answer:

x ≤ 5

Step-by-step explanation:

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2 years ago

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Make n the subject of the formula: M=3n

natta225 [31]

Divide each side by 3. ----- n=M/3 .

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3 years ago

hugo must divide 5 apples among his 3 nephews. Each nephew receives the same amount, and there are no apples left over. How many

Rashid [163]

Answer:

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3 years ago

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Complex numbers zj and zz are given by zj = 3- j2, zz = - 4 + j3. (a) express zj and zz in polar form. (b) find lz1l by first ap

inna [77]

Solution:

Given: zj = 3- j2, zz = - 4 + j3

Part a:

zj = 3- j2 = $3.6e^{-j33.7^{\circ}}$

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Part b:

|zj| = |3− j2| = √3² +(−2)² = √13 = 3.60

|z1| = √(3− j2)(3+ j2) = √ 13 = 3.60.

Part c:

With the help of part a:

z1z2 = $3.6e^{-j33.7^{\circ}}.5e^{j143.1^{\circ}}$

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3 years ago

In the figure, two poles are 25 m and 35 m high. A cable 23 m long Joins the tops of the poles. Find the distance between the po

sukhopar [10]

Answer: 20.71 m

Step-by-step explanation:

Given

the length of the poles are 25m and 35 m

The length of the cable is 23 m

Suppose the distance between them is x

From the figure, apply Pythagoras theorem

$\Rightarrow 23^=x^2+10^2\\\Rightarrow 529-100=x^2\\\Rightarrow x^2=429\\\\\Rightarrow x=\sqrt{429}=20.71\ m$

Distance between Poles is 20.71 m

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2 years ago