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bezimeni [28]
3 years ago
8

Draw a concave hexagon. How many diagonals does it have?

Mathematics
1 answer:
nikdorinn [45]3 years ago
7 0
A concave hexagon has no angle pointing inwards, more precisely, no internal angles can be less than 180 and a concave has a cave in it. So base on that fact, the diagonal that is present in a concave hexagon is 9 diagonals. I hope you are satisfied with my answer and feel free to ask for more if you have further questions and clarifications 
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(−7c+8d)0.6 distributive property
Ksivusya [100]

We are given

(-7c+8d)0.6

we can use distribute property

Distributive property:

(A+B)C=A*C+B*C

so, we can write it as

(-7c+8d)0.6=-7c*0.6+8d*0.6

(-7c+8d)0.6=-7*0.6c+8*0.6d

now, we can multiply terms

and we get

(-7c+8d)0.6=-4.2c+4.8d..............Answer


4 0
3 years ago
Read 2 more answers
Which rational number equals 0.4?<br> A. 2 over10<br> B. 2 over 9<br> C.4 over 10<br> D.4 over 9
Allisa [31]

Answer:

C. 4/10

Step-by-step explanation:

a. 2/10 = 0.2

b. 2/9=0.2222...

c. 4/10=0.4

D. 4/9=0.4444...

3 0
3 years ago
Read 2 more answers
Cuantas veces al día la manecilla de la hora de un reloj análogo pasa por un número múltiplo de 3.
Fiesta28 [93]
Pasa 96 veces. Porque cuando en una hora ahí 4 múltiples de 3. Tu coges las 4 vez es I lo multiplica a 24 horas. Así es como yo resulte con el número 96.
5 0
3 years ago
Given that (8,-1) is on the graph of f(x), find
Nikolay [14]

Answer:

(-12, -1)

Step-by-step explanation:

(8, -1) => (-2/3x, f(-2/3x))

therefore

-2/3x = 8

x = 8 *-3/2

x = -12

f(-2/3x) = -1

therefore, the corresponding point is:

(-12,-1)

5 0
2 years ago
Bayside Insurance offers two health plans. Under plan A, Giselle
LiRa [457]

Answer:

Step-by-step explanation:

Let x represent the amount of medical bills that Giselle has to pay.

Assume she has over $160 in bills,

it means that

x > 160

Under plan A, Giselle would have to pay the first $110 of her medical bills, plus 35% of the rest. Therefore, she will have to pay for

35/100 × (x - 110) = 0.35(x - 110)

Under plan B, Giselle would pay the first $160, but only 20% of the rest. Therefore, she will have to pay for

20/100 × (x - 160) = 0.2(x - 160)

Therefore, the amount of medical bills that plan B will save is

0.35(x - 110) - 0.2(x - 160) = 0.35x - 38.5 - 0.2x + 32

0.15x + 6.5

Substituting x = 160 into 0.15x + 6.5, it becomes

0.15 × 160 + 6.5 = $30.5

Total bills would be 160 + 30.5 = 190.5

Therefore, Giselle would save $30.5 with plan B if she had more than $190.5 in bills.

4 0
3 years ago
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