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irga5000 [103]
4 years ago
14

Which triangles must be congruent

Mathematics
1 answer:
Alex17521 [72]4 years ago
6 0
All three triangles are congruent by SAS
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The length of a rectangle is 3 more than twice its width. the perimeter is 48 feet. find the width.
zepelin [54]
48 = 2l + 2w
l = 3w

48 = 2(3w) + 2w
48 = 6w + 2w
48 = 8w
6 = w

The width is 6 feet. The length is 18 feet. Hope this helps! :)

8 0
4 years ago
Rewrite the following radical expressions as equivalent exponential expressions. <br> a. √5
vivado [14]

Answer:

So in exponential form \sqrt{5} will be equivalent to 5^{\frac{1}{2}}

Step-by-step explanation:

We have given the expression in radical form as \sqrt{5}

We have to find its equivalent in exponential form

We know that if any fraction is in radical form then if we write this in exponential form then in exponential form the exponent come inverse of its number

So \sqrt{5} can be written as 5^{\frac{1}{2}}

So in exponential form \sqrt{5} will be equivalent to 5^{\frac{1}{2}}

8 0
3 years ago
you deposit $350 in a savings account.the account earns 2.5% simple interest per year. what is the balance after 2 years
Monica [59]

Answer:

17.5

Step-by-step explanation:

350×2.5×1/100

17.5/2

8.75

5 0
3 years ago
A polygon is regular if each of it's sides has the same length. find the perimeter of the regular polygon.
KiRa [710]

Answer:

I would assume you're supposed to solve for x and multiply that by 8 for the perimeter. Like I said in the comment, I'm not a math major.

Step-by-step explanation:

3 0
3 years ago
Jada's sister works in a furniture store.
Bingel [31]

Answer:

1) $16.35

2) 75%

3) $245  

Step-by-step explanation:

1) Jada earns = $15 per hour

  9% increase = 15 * 9/100 = $1.35

  Increased Jada's pay = 15+1.35 = $16.35

2) Markup = selling price - cost= $350 - 200= $150

   Markup % = \frac{sale price - cost }{cost}*100 \

                      = \frac{150}{200}*100 = 75%

3) Jada's sister commission is 3.5% of $7000

          = \frac{3.5}{100}* 7000

           = $245  

5 0
3 years ago
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