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svetoff [14.1K]
3 years ago
8

What is the value of w in the following proportion?

Mathematics
2 answers:
Ghella [55]3 years ago
7 0

Answer:

im pretty sure its c

Step-by-step explanation:

soryy cant explain

julsineya [31]3 years ago
7 0

Answer:

Dis answer is (D)21  

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melisa1 [442]
I would search it on google tbh
7 0
3 years ago
Read 2 more answers
Fill out the following chart to find the temperatures for t=12 (noon) and t=24 (midnight).
zhannawk [14.2K]

Answer:

t(12)=40 t(24)=-3.2

Step-by-step explanation:

t(12)=40 because, if you replace 12 with t in the equation, everything but 40 cancels out.

t(24)=-3.2 because, if you plug in 24 for t it will be the same as the first equation where t is 0.

3 0
3 years ago
Which of the following would be a line of reflection that would map ABCD onto itself?
Lady bird [3.3K]

When a shape is rotated, it must be rotated over a line.

<em>The square must be reflected over line </em>x +y = 4<em>, for it to be mapped onto itself.</em>

<em />

<u>The points are given as:</u>

A = (3,1)

B = (3,3)

C = (1,3)

D = (1,1)

To map the square onto itself, it must be reflected over its diagonal

The diagonals of the square are: AC and BD

<u>Using AC, we have:</u>

A = (3,1) ---- (x_1,y_1)

C = (1,3) ---- (x_2,y_2)

Start by calculating the slope (m)

m = \frac{y_2 - y_1}{x_2 -x_1}

So, we have:

m = \frac{3-1}{1-3}

m = \frac{2}{-2}

m = -1

The equation  is then calculated as:

y = m(x - x_1) + y_1

This gives:

y = -1(x - 3) + 1

y = -x + 3 + 1

y = -x + 4

Rewrite as:

x +y = 4

So, the square must be reflected over line x +y = 4, for it to be mapped onto itself.

See attachment for square ABCD and its line of reflection.

Read more about reflections at:

brainly.com/question/1878272

6 0
3 years ago
Factor out the coefficient of the variable 5/6s+2/3
DochEvi [55]
Okay. so I'm gonna assume you know what factor out means--were gonna take out 5/6. what we need to know is, how does that affect our ending number 2/3? well, we're gonna have 5/6 times some stuff first off, right?

5/6 ( )

so what's in the parenthesis? well, if we distribute in our mind, S would just have to be by itself for it to work out. so we have

5/6 ( s )

but what about 2/3? well, if we're multiplying everything on the inside by 5/6, how can be get it to cancel and leave 2/3 alone? we could divide 2/3 by 5/6, right?

5/6 ( s + (2/3) / (5/6) )

now, when we distribute our 5/6, we'll have just 2/3 at the end. now let's simplify that end term so it looks a little better. if we divide by a fracion, that's the same as multiplying by the flipped version, so let's do that.

2/3 / 5/6 = 2/3 × 6/5 = 2 (6) / 5 (3) = 12/15

we can reduce 12/15 by dividing the top and bottom by three.

= 4/5

so our final answer would be:

5/6 [S + 4/5] you can redistribute to make sure it matches. Anyway, hope that helps!
6 0
3 years ago
Help pleaseee asap ???!! :)
Alex787 [66]

Answer:

math stinks im sorry use math papa algabraic calculator

Step-by-step explanation:

4 0
3 years ago
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