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olga_2 [115]
3 years ago
5

Which best describes this quadrilateral?

Mathematics
1 answer:
yulyashka [42]3 years ago
3 0
B. All sides are the same length
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50% of 70<br><br> Help!! It's due by 10:00pm!!
o-na [289]

Answer:

35

Step-by-step explanation:

35

What is 50 percent (calculated percentage %) of number 70? Answer: 35.

6 0
3 years ago
Read 2 more answers
What is the mad of 5,7.50,8.25,8,9.75,10.25,11,10.75<br><br> A 13<br> B 8.81<br> C 6<br> D 1.63
Molodets [167]

Answer:

B

Step-by-step explanation:

5+7.50+8.25+8+9.75+10.25+11+10.75 = 70.5

70.5 \div 8 = 8.8125

6 0
3 years ago
Read 2 more answers
Find the length of the diagonal of a square with perimeter of 24
julsineya [31]

Answer:

d = 6sqrt(2) or 8.4853

Step-by-step explanation:

<u><em>Formula</em></u>

P = 4*s

s^2 + s^2 = d^2 where d is the diagonal and s is the side.

<u><em>Givens</em></u>

P = 24

<u><em>Solution</em></u>

P = 4s         Substitute for s

24 = 4*s      Divide by 4

24/4 = s

s = 6

================

d^2 = s^2 + s^2

d^2 = 6^2 + 6^2

d^2 = 36 + 26

d^2 = 72

d = sqrt(72)

Factors of 72

72: 6 * 6 * 2

<em><u>Rule</u></em>: Every pair of = factors allows you to take one of them outside the sqrt sign and throw the other a way. If there are no pairs, whatever you started with stays under the root sign.

sqrt(6*6*2) = 6sqrt(2)

  • The diagonal length is either
  • d = 6*sqrt(2) or
  • d = 8.4853

8 0
4 years ago
Carlos bought a $235 water heater with his credit card. He used the water heater for five years before replacing it. He paid off
Mazyrski [523]

First we will find the interest on:


P = $235 principal


t = 2 years


r = 0.1415 annual rate


A = future value 


I = A - P the interest


A = P(1 + r)^t


A = 235(1 + 0.1415)^2


A = $306.21


I = A - P


I = $306.21 - $235


I = $71.21


the interest was $71.21.



Next lets find the lifetime cost value:


Lifetime cost value = 306.21 + 5*1.56*52 + 5*0.78*52 = $914.61 (considering that 1 year = 52 weeks)



Now lets find the percentage what percentage the interest is of the lifetime cost:


(71.21/914.61)*100 = 7.79%

<span>← Previous Problem<span>Next Problem →</span></span>
3 0
3 years ago
What is the distance between the points (-6,7) and (-1,1)?
Nataly_w [17]

Answer:

\sqrt{61}

Step-by-step explanation:

To find the distance, we first do B - A, where B is (-6, 7) and A is (-1, 1):

(-6, 7) - (-1, 1) = (-6+1, 7-1) = (-5, 6)

Imagine it as a triangle, where the hypotenuse is the distance, and -5 and 6 are the lengths of the sides.  

To find the hypotenuse (Pythagorean Theorem):  \sqrt{(-5)^2+6^2} =\sqrt{25+36} =\sqrt{61}

The answer is the square root of 61.

4 0
3 years ago
Read 2 more answers
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