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brilliants [131]
3 years ago
15

What value makes the equation

Mathematics
2 answers:
AVprozaik [17]3 years ago
7 0

Answer:

1/4

Step-by-step explanation:

20×n×4×3=5×12

or, 240n=60

or, n=60/240

or, n=1/4

Answered by GAUTHMATH

Lana71 [14]3 years ago
3 0

Answer:

n = .25

Step-by-step explanation:

For the equation to be true, both sides must be equal.

20 * 4 * 3 * n = 5 * 12

240 * n = 60

n = 60/240

n = .25

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What is the terminal point of the vector a = (2,4) based at P = (3, 4)?
Verdich [7]
<h3>Answer:   (5, 8)</h3>

Explanation:

Start at the point (3,4) which is the tail of the vector. We move 2 units to the right and 4 units up to arrive at (5,8) due to the vector a = <2,4>. Effectively, we're using the translation rule (x,y) \to (x+2,y+4)

In other words, we add 2 to the x coordinate and add 4 to the y coordinate of the point (3,4) to move to (5,8)

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3 years ago
Which rule explains why these triangles are congruent?​
Nina [5.8K]

Answer:

SSS

Step-by-step explanation:

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6 0
3 years ago
Read 2 more answers
Solve the equation for all values of r.<br> (22 – 16) (22 + 49) = 0<br> Please help
wel

<em>Correct expression: </em>(x^2-16)(x^2+49)=0

Answer:

x =  4

x = -4

x = 7i or 7 \sqrt{-1}

x = -7i or (-7) \sqrt{-1}

Step-by-step explanation:

(x^2-16)(x^2+49)=0

We do factorization of x^2 - 16

(x^2-16) = (x+4)(x-4)

(x+4)(x-4)(x^2+49) = 0

We require that any term in the multiplication to be zero to fulfil the requirement

so:

if x + 4 = 0 then (x+4)(x-4)(x^2+49) = 0

x = -4

if x - 4 = 0 then (x+4)(x-4)(x^2+49) = 0

x = 4

if (x^2+49) = 0 then (x+4)(x-4)(x^2+49) = 0

x^2 = -49

we have two roots:

If your course has already worked with complex number and the root of -1 then:

7i and -7i are solution as well

because 7i will be: 7^2 \sqrt{-1} ^2= 49 (-1) = -49\\

and the same reasoning for -7i: (-7)^2 \sqrt{-1} ^2= 49 (-1) = -49

3 0
3 years ago
Solve; (6 2/5+1 4/5)+3 1/5 give a whole number and fraction answer
Mamont248 [21]

Answer:

11.4 and 11 2/5

Step-by-step explanation:

hope this helps if it does, can i have brainliest?

4 0
2 years ago
Read 2 more answers
2. Ken combined a triangle and a trapezoid to
jarptica [38.1K]

Answer:

<h2>36 in²</h2><h2 />

Step-by-step explanation:

area of a triangle = 12 in²

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just combine the two shape (see image)

then add the area.

total area = 12 + 24

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8 0
3 years ago
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