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andre [41]
3 years ago
10

PLS SOLVE BRAILEST GIVEN

Mathematics
1 answer:
Sav [38]3 years ago
6 0

Answer:

  |2x|

Step-by-step explanation:

The square root symbol indicates the positive square root. That is, ...

  \sqrt{x^2}=|x|

Then the square root you show is ...

  \sqrt{(-2x)^2}=|{-}2x|=\boxed{|2x|}

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Hcf of 84 and 49 I'm so lazy
White raven [17]

Answer:

<h2>7</h2>

HCF of 49 and 84 is 7.

Step-by-step explanation:

mark me brainliest

3 0
3 years ago
there are 4 quarters for every one dollar and 10 dimes for every dollar. Without graphing, would the ratio of quarters to dollar
grin007 [14]

Answer:

no

Step-by-step explanation:

remember lines and line equations.

y = ax + b

a line has a slope indicating its angle relative to the basic coordinate axis and grid of x and y.

the slope is "a" in the generic equation, always the factor of x.

and it stands for the ratio y/x. it means how many units is y changing (and in what direction via its sign), when x changes a certain amount of units.

e.g. 3/4 means, when x changes 4 units to the positive (right) side, then y changes 3 units to the positive (up) side.

and also, when x changes 4 units to the negative (left) side, then y changes 3 units to the negative (down) side, as -/- is again +.

or -3/4 means, when x changes 4 units to the positive (right) side, then y changes 3 units to the negative (down) side, as -/+ is -.

and also, when x changes 4 units to the negative (left) side, then y changes 3 units to the positive (up) side, as +/- is again -.

so, we have here 2 ratios : 4/1 (quarters to dollars) and 10/1 (dimes to dollars).

remember what that means : y/x.

when x changes 1 unit to the right (x increases by 1), y changes 4 units up (y increases by 4).

and when x increases by 1 unit, y increases by 10 units.

what do you think is the steeper line ?

both are steep, as y increases much faster than x. but in the 10/1 ratio y increases much faster than in the 4/1 ratio. so, 10/1 is steeper than 4/1.

therefore, the answer is no. the ratio quarters to dollars does not represent a steeper line.

by the way, ratios like 4/1 or 10/1 are simply written 4 or 10.

so, when you see a line equation like y = 3x + 2,

you know the slope is 3 or actually 3/1.

3 0
3 years ago
If a model scale is 1 foot to 5 feet, how long will the model be
dalvyx [7]

The model will be 5 times longer that stated.

E.g if the model is said to be 10 feet long using this scale.

10*5=50

50 feet

6 0
3 years ago
Please answer these and find the slope intercept form for each one.
damaskus [11]
1. 5/y=2/3x +3
2. y= 7/1-4
3. y=2/5x8
4. y=-3/4 +1 I could be wrong but I think this is right
5 0
3 years ago
What is (84 divided by 4 divided by 3
mixer [17]
You do division from left to right. So, 84/4=21; 21/3=7 So the answer is 7
7 0
3 years ago
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