3 years ago

What the answer plzzhelppp

Mathematics

1 answer:

AfilCa [17]3 years ago

4 0

Step-by-step explanation:

You have to find the decimals of them

So the 3rd on is correct

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3 2/15 + 2 3/15 what is the sum

elena55 [62]

Answer:

5 1/3

Step-by-step explanation:

3 + 2 = 5

2 + 3 = 5

5 5/15

5 1/3 simplified

3 0

3 years ago

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Find an equation of the plane that contains (3, 4, −9) and is parallel to x + y − 5z = 1. (Use x, y, and z for coordinates.)

emmainna [20.7K]

Answer:

x + y - 5z = 52

Step-by-step explanation:

Given data:

Point on the plane (3,4,-9)

parallel to x + y -5z = 1

Finding the normal vector

(1 , 1 , -5)(x, y , z) = 1

the normal vector is (1 , 1 , -5)

formula for finding equation the plane given the normal vector (a,b,c) and point (m,n,o) is as

a(x - m) + b(y - n) + c(z-o)=0

Substituting the data we have

1(x-3) + 1( y- 4) - 5(z+9) =0

x-3 +y -4 -5z -45 = 0

x + y - 5z = 45 +4 +3

x + y - 5z = 52

6 0

3 years ago

(The photo is too big to fit so don't mind that.)

mafiozo [28]

Answer:

Step-by-step explanation:

1'st step: $a^{2}$ + $b^{2}$ = $c^{2}$ is the formula for the pythagorean theorem

2'nd step : $18^{2}$ + $80^{2}$ = $c^{2}$

3'rd step: 324+6400 = $c^{2}$

4'rd step: 6724= $c^{2}$

5'th step: $\sqrt{6724}$ =82

6'th step : therefore the value of c is 82 cm

8 0

3 years ago

<img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B6%20%2B%20%20%5Csqrt%7B6%20%2B%20%20%5Csqrt%7B6%20%2B%20.....%20%5Cinfty%20%20%3D

Kay [80]

Answer:

$3$

Step-by-step explanation:

$\sqrt{6+\sqrt{6+\sqrt{6+\sqrt{6+\sqrt{6+\sqrt{6+\sqrt{6+\sqrt{6+\sqrt{6...}}}}}}}}}$

$= 2.999999999999999999999999999...$

$= 3$

3 0

4 years ago

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1/3 of 2 feet = how many inches

Nata [24]

1/3 of 2 ft is 8 inches

5 0

3 years ago

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