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2 years ago

.Which condition will create a gap at a vertex of polygons?

2 answers:

azamat2 years ago

7 0

The answer:

for answering this question, we have exactly to cases:

case 1: if the polygons are regular
so the answer is
<span>
The sum of the measures of the angles is equal to 360°.

for example, let's consider the quadrilateral polygone ( the four sides are congruent and each angle measures 90°)
so the sum of the angle is 90° +90°+90°+90°= 360°

case 2
</span>if the polygons are not regular (irregular)

the answer is
<span>
The sum of the measures of the angles is greater than or less than 360°.

for example, if we consider an irregular polygon of 7 sides that not congruent, and each angle are not congruent, so </span>the sum of the measures of the angles must be greater than or less than 360°

scoundrel [369]2 years ago

5 0

The sum of the measures of the angles is less than 360°.

Step-by-step explanation:

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Wesley and brian have a total of 87 baseball cards. Wesley have 30 less than twice as many cards as brian. How many baseball car

d1i1m1o1n [39]

Brian has 39 cards and Wesley has 48 cards

Step-by-step explanation:

Let w be the number of cards Wesley has

and

b be the number of cards Brian has

Then

$w+b = 87\ \ \ \ Eqn\ 1\\w = 2b-30\ \ \ Eqn\ 2$

Putting w = 2b-30 in equation 1

$2b-30+b = 87\\3b = 87+30\\3b = 117$

Dividing both sides by 3

$\frac{3b}{3} = \frac{117}{3}\\b = 39$

Putting b=39 in equation 2

$w = 2(39)-30\\w = 78-30\\w = 48$

Hence,

Brian has 39 cards and Wesley has 48 cards

Keywords: Linear equations, variables

Learn more about linear equations at:

#LearnwithBrainly

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2 years ago

A nurse is preparing to administer dextrose 5% water (D5W) 250 ml IV to infuse over 2 hr. The nurse should set the IV pump to de

Molodets [167]

Answer:

the answer is 125

Step-by-step explanation:

I divided 250 and 2

125***ANSWER

4 0

2 years ago

Mr Chua borrows a sum of money from the bank which charges a compound interest of 4.2% per annum, compounded 6.Given that Mr Chu

Inessa [10]

Answer:

Original sum of money = $2246.51

Step-by-step explanation:

Interest = $96.60

Interest is compounded 6 times in a year ; n = 6

time = 1 year ; Rate of interest (r) = 4.2%

Interest = Future Value - Principal Value ...........(1)

$\text{Future Value = }Principal\cdot (1+\frac{r}{100\times n})^{n\cdot t}\\\\\text{Substituting this value in equation (1) , We get }\\\\Interest=Principal\cdot (1+\frac{r}{100\times n})^{n\cdot t}-Principal\\\\\implies 96.60=Principal[\cdot (1+\frac{4.2}{100\times 6})^{6\cdot 1}-1]\\\\\implies Principal=\$2246.51$