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inn [45]
3 years ago
8

What I'd the square root of 81

Mathematics
2 answers:
Ludmilka [50]3 years ago
5 0

the square root of 81 is 9

omeli [17]3 years ago
3 0
The square root of 81 is 9 since 9 multiplied by itself is 81 (using the power of two)
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Please help! Very Easy Question! Which of the following are rational numbers?
nata0808 [166]

Answer:

20.25

Step-by-step explanation:

5 0
3 years ago
Can someone please help as soon as possible!!
sergiy2304 [10]

Answer:

  1) triangles are similar

Step-by-step explanation:

The height from vertex X of isosceles ∆WXY is 4 units. The width WY is also 4 units. In isosceles ∆UVW, the height from vertex V is 6 units, and the width UW is also 6 units.

The height ratios are ...

  ∆WXY/∆UVW = 4/6

The width ratios are ...

  ∆WXY/∆UVW = 4/6

The measures of ∆WXY are proportional to those of ∆UVW, so the triangles are similar.

_____

Strictly speaking, you cannot go by triangle height and width alone. That is why we made not of the fact that the triangles are <em>isosceles</em>. When base and height of an isosceles triangle are proportional, the Pythagorean theorem guarantees that side lengths are proportional. Trigonometry can also be invoked to support the claim that angles are congruent.

4 0
3 years ago
Natalie is buying potatoes at the grocery store. If she buys 6 potatoes that each have a mass of 375 grams, what is the total ma
Alla [95]

Answer:

2.25 kg

Step-by-step explanation:

6 x 375 = 2250

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5 0
3 years ago
What’s 5/16 written as a decimal
IgorC [24]
You divide 5 and 16 to get the answer: 0.3125.
4 0
3 years ago
Read 2 more answers
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
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