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bogdanovich [222]
3 years ago
13

If a quadrilateral has four congruent angles, it is a rectangle F or T?

Mathematics
2 answers:
Drupady [299]3 years ago
7 0
False Dont quote me though 
tiny-mole [99]3 years ago
6 0
All quadrilaterals have 360 degrees in all 4 angles added up. If all 4 angles are congruent, they must all be 90 degrees, making it a rectangle. So the answer is true.
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A grocery store will only accept yellow onions that are at least 3 inches in diameter. A grower has a crop of onions with diamet
Marizza181 [45]
<span>For the answer to the question above,this is a simple question.

z = (3.25-3.5)/.25= -1
p= .8413
then multiply 100 to get the percentage.
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5 0
3 years ago
Type the correct answer in the box
algol13

c = cost of food/med for cats

d = cost of food/med for dog

y = total cost/spent

What you know:

y = 6c + d              [has 6 cats and 1 dog]  

c = 2/3d - 5        [cost for cat is 5 less than 2/3 cost for dog]

y = $195

y = 6c + d    

Substitute/plug in what you know, plug in (2/3d - 5) for c and 195 for y

195 = 6(2/3d - 5) + d        Distribute/multiply 6 into (2/3d - 5)

195 = 4d - 30 + d        Combine like terms

195 = 5d - 30      Add 30 on both sides of the equation

225 = 5d        Divide 5 on both sides

$45 = d            

5 0
3 years ago
Given the formula:<br><img src="https://tex.z-dn.net/?f=x%20%3D%20%20%5Cfrac%7B1%20%2B%20a%7D%7B1%20-%20a%7D%20" id="TexFormula1
shtirl [24]

12 = \frac{1+a}{1-a} => 12(1-a)= 1+ a \\=> 12 -12a = 1 + a => 12a+1 = 12-1 \\=> 13a = 11 => a= \frac{11}{13}

ok done. Thank to me :>

8 0
2 years ago
What is the equation of a circle with center 8,6 and radius 5
WINSTONCH [101]
(x - 8)² + (y - 6)² = 5²
(x - 8)² + (y - 6)² = 25  ← answer
6 0
3 years ago
Read 2 more answers
A store sold 28 pairs of cross-trainer shoes for a total of $2,220. Style A sold for $70 per pair and Style B sold for $90 per p
icang [17]

Answer:

Style A sold 15 pairs while Style B sold 13 pairs

Step-by-step explanation:

Let the number of Style A pairs be A.

Let the number of Style B pairs be B.

The store sold 28 pairs of cross-trainer shoes for a total of $2,220 and Style A sold for $70 per pair while Style B sold for $90 per pair.

This implies 2 things:

A + B = 28 ________________ (1)

and

(70*A) + (90*B) = 2220

=> 70A + 90B = 2220 ________(2)

We now have two simultaneous equations:

A + B = 28 ________________ (1)

70A + 90B = 2220 __________(2)

From (1):

A = 28 - B ________________ (3)

Put (3) in (2):

70(28 - B) + 90B = 2220

1960 - 70B + 90B = 2220

1960 + 20B = 2220

Collecting like terms:

20B = 2220 - 1960

20B = 260

B = 260 / 20

B = 13

Therefore:

A = 28 - 13 = 15

Style A sold 15 pairs while Style B sold 13 pairs.

8 0
3 years ago
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