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melisa1 [442]
4 years ago
5

Please help! Photo attached

Mathematics
1 answer:
topjm [15]4 years ago
3 0

Answer:

x = 9

Step-by-step explanation:

The area of a square is A = x².

"x" is for side.

The opposite of the exponent of 2 is square root.

Use the area formula.

A = x²       We know the area is 81.

81 = x²      Now you can square root both sides.

√81 = √x²     √ and ² cancel out and leaves "x" alone.

9 = x

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I need help ASAP please
anyanavicka [17]

Answer:

In the picture above.

Step-by-step explanation:

I hope that it's a clear solution.

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You pay sales tax on your purchases at the rate of 0.07. What fraction of your money is​ this? Remember to reduce your fraction
Gemiola [76]

Answer:

This is \frac{7}{100} of your money.

Step-by-step explanation:

We have a decimal number, and we want the answer to be a fraction. To transform a decimal number into a fraction, we multiply both the numerator and the denominator by 10 until none of them have decimal parts. So

0.07\times \frac{10}{10} = \frac{0.7}{10}\times \frac{10}{10} = \frac{7}{100}

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3 0
3 years ago
If point E is the midpoint of and point D is the midpoint of , which expression represents the value of s
iogann1982 [59]

The length of ED is half the length of AB.

<h3>What is the length?</h3>
  • Distance is measured by length.
  • Length is a quantity with the dimension distance in the International System of Quantities.
  • Most measurement systems use a base unit for length from which all other units are derived.
  • The meter is the foundation unit of length in the International System of Units.

Reasons:

The given parameters are;

In ΔABC, point E is the midpoint of AC

The midpoint of BC is the point D

Segment ED = s

Segment CE = p

Segment EA = r

Segment CD = q

Segment DB = t

Segment ED = s

Segment AB = u

Required:

The expression that represents the value of s.

Solution:

CE = 0.5 × AC Definition of midpoint

CD = 0.5 × CB Definition of midpoint

Therefore, we have;

\frac{CE}{AC} =\frac{CD}{CB} =0.5

Therefore, given that ∠C ≅ ∠C, by the reflexive property, we have;

ΔABC is similar to ΔCDE by Side-Angle-Side similarity

Which gives;

\frac{CE}{AC} = \frac{CD}{CB}  = \frac{ED}{AB} =0.5=\frac{1}{2}

ED = s and AB = u which gives;

\frac{ED}{AB}=\frac{s}{u}  =0.5=\frac{1}{2}

\frac{s}{u} =\frac{1}{2}

Which gives:

s=\frac{1}{2} *u

The expression that represents the value of s is; s = one-half u

Therefore, the length of ED is half the length of AB.

Know more about the length here:

brainly.com/question/2217700

#SPJ4

The question you are looking for is here:

If point E is the midpoint of segment AC and point D is the midpoint of segment BC, which expression represents the value of s? triangle CAB, point E is on segment AC between points A and C and point D is on segment BC between points B and C, creating segment ED, CE equals p, EA equals r, CD equals q, DB equals t, ED equals s, and AB equals u s equals p over q s = one half s equals q over p s = 2u

7 0
2 years ago
In a swimming competition, Susie swims 22 laps less than Jackie (j). Write an expression for the number of laps
saw5 [17]

Answer:

22>j

Step-by-step explanation:

6 0
3 years ago
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