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katrin2010 [14]
3 years ago
11

The ages of three cousins are consecutive even whole numbers. The sum of the youngest and oldest is 16. How old is the oldest co

usin?
Mathematics
1 answer:
PilotLPTM [1.2K]3 years ago
4 0
The oldest cousin should be 10. If their ages are consecutive even whole numbers, then the younger cousins should be 2 & 4. 2+4=6+10=16
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Factorize :3y²-54y+343​
arlik [135]

1 In general, given

a

x

2

+

b

x

+

c

ax

2

+bx+c, the factored form is:

a

(

x

−

−

b

+

b

2

−

4

a

c

2

a

)

(

x

−

−

b

−

b

2

−

4

a

c

2

a

)

a(x−

2a

−b+

b

2

−4ac

​

​

)(x−

2a

−b−

b

2

−4ac

​

​

)

2 In this case,

a

=

3

a=3,

b

=

−

54

b=−54 and

c

=

343

c=343.

3

(

y

−

54

+

(

−

54

)

2

−

4

×

3

×

343

2

×

3

)

(

y

−

54

−

(

−

54

)

2

−

4

×

3

×

343

2

×

3

)

3(y−

2×3

54+

(−54)

2

−4×3×343

​

​

)(y−

2×3

54−

(−54)

2

−4×3×343

​

​

)

3 Simplify.

3

(

y

−

54

+

20

3

ı

6

)

(

y

−

54

−

20

3

ı

6

)

3(y−

6

54+20

3

​



​

)(y−

6

54−20

3

​



​

)

4 Factor out the common term

2

2.

3

(

y

−

2

(

27

+

10

3

ı

)

6

)

(

y

−

54

−

20

3

ı

6

)

3(y−

6

2(27+10

3

​

)

​

)(y−

6

54−20

3

​



​

)

5 Simplify

2

(

27

+

10

3

ı

)

6

6

2(27+10

3

​

)

​

to

27

+

10

3

ı

3

3

27+10

3

​



​

.

3

(

y

−

27

+

10

3

ı

3

)

(

y

−

54

−

20

3

ı

6

)

3(y−

3

27+10

3

​



​

)(y−

6

54−20

3

​



​

)

6 Factor out the common term

2

2.

3

(

y

−

27

+

10

3

ı

3

)

(

y

−

2

(

27

−

10

3

ı

)

6

)

3(y−

3

27+10

3

​



​

)(y−

6

2(27−10

3

​

)

​

)

7 Simplify

2

(

27

−

10

3

ı

)

6

6

2(27−10

3

​

)

​

to

27

−

10

3

ı

3

3

27−10

3

​



​

.

3

(

y

−

27

+

10

3

ı

3

)

(

y

−

27

−

10

3

ı

3

)

3(y−

3

27+10

3

​



​

)(y−

3

27−10

3

​

I hope this help you

​

6 0
3 years ago
Sara, Nick and June share some sweets in the ratio 5:5:1. Sara gets 45 sweets. How many sweets are there altogether?
saw5 [17]

Answer:

99

Step-by-step explanation:

5x=45

x=45/5=9

5x+5x+x=11x=11*9=99

7 0
3 years ago
Read 2 more answers
Y= -0,5x – 2<br> y= 1,5x + 8
Masja [62]

Answer:

a. ( 5 )  ( 0 ) − 2

= −2

b. ( 5 ) ( 1 ) + 8

= 13

Hope it helps

Please mark me as the brainliest

Thank you

8 0
3 years ago
Please someone help me.
slega [8]
A or b is the answer
4 0
3 years ago
Read 2 more answers
Please help me with math!!!!!
saveliy_v [14]

Answer:

We need for inforamtion like what is the volume for both of the shapes

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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