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Reptile [31]
3 years ago
10

Do the ratios 4:12 and 5:15 form a proportion

Mathematics
2 answers:
guajiro [1.7K]3 years ago
8 0
Answer is up here ^^^
Strike441 [17]3 years ago
5 0

Answer:

4:12=5:15

in propotion form

4/12=5/15

Step-by-step explanation:

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Nataliya [291]

Answer:

The answer is 120 feet of fabric

4 0
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What is the value of t in the equation 3(2t + 5) = 5t + 25?
11Alexandr11 [23.1K]
<span>3(2t + 5) = 5t + 25
6t + 15 = 5t + 25
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8 0
3 years ago
A fair dice has six sides, numbered 1 to 6
Ivanshal [37]

Answer:

a. 1/6

Step-by-step explanation:

for a, there is only one side that has three

8 0
2 years ago
5/6+2i<br><br><br>Aka<br><br><br> 5<br><br>___<br><br>6+2y<br>Ignore my answer its probably wrong
liberstina [14]

Answer:

   (3/4) -(1/4)i

Step-by-step explanation:

Your answer is correct.

\dfrac{5}{6+2i}=\dfrac{5(3-i)}{2(3+i)(3-i)}=\dfrac{5(3-i)}{2(9+1)}\\\\=\dfrac{3-i}{4}=\dfrac{3}{4}-\dfrac{1}{4}i

8 0
3 years ago
PLEASE HELP!!!!!!!!BRAINLIEST PLUS 50 POINTS
docker41 [41]

Use the quadratic formula to find:

x

=

1

±

√

85

5

Explanation:

5

x

2

−

10

x

−

12

is of the form  

a

x

2

+

b

x

+

c

with  

a

=

5

,  

b

=

−

10

and  

c

=

−

12

This has discriminant  

Δ

given by the formula:

Δ

=

b

2

−

4

a

c

=

(

−

10

)

2

−

(

4

×

5

×

−

12

)

=

100

+

240

=

340

=

2

2

⋅

85

This is positive, but not a perfect square, so the quadratic equation has a pair of irrational roots, given by the quadratic formula:

x

=

−

b

±

√

b

2

−

4

a

c

2

a

=

−

b

±

√

Δ

2

a

=

10

±

√

340

10

=

10

±

2

√

85

10

=

1

±

√

85

5

5 0
3 years ago
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