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Masteriza [31]
3 years ago
15

I need help with this problem (it's number 3)

Mathematics
1 answer:
Georgia [21]3 years ago
7 0
A proportion can be written as 2 equal fractions a/b =c/d or it can be written using a colon: a:b = c:d
You might be interested in
What is the length of the hypotenuse of the triangle when x=15?
Luden [163]

Answer:

114.24°

Step-by-step explanation:

7(15)+6= 105

3(15)= 45, now we plug it in the formula, a^{2}+b^{2}=c^{2}

105^{2}+45^{2} = 13050

so now we square root it

\sqrt{13050}= 114.24

6 0
3 years ago
Read 2 more answers
Help!!!!!!!!!!!!!!!!!!!!!!!!!
torisob [31]

Answer:

53

Step-by-step explanation:

\frac{sin(56)}{78.6}  =  \frac{sin(90)}{ab}  \\  \\ absin(56) = sin(90) \times 78.6 \\  \\ ab =  \frac{sin(90) \times 78.6}{sin(56)}  \\ ab = 94.8 \\  \\  {x}^{2}   +  {78.6}^{2}  =  {94.8}^{2}  \\  {x}^{2}  =  {94.8}^{2}  -  {78.6}^{2}  \\  {x}^{2}  = 8987.04 - 6177.96 \\  {x}^{2}  = 2809.08 \\ x =  \sqrt{2809.08}  \\ x = 53

6 0
2 years ago
Nell wrote a check for $48 to pay her monthly water bill, but when balancing her checkbook, she accidentally recorded it as a cr
mafiozo [28]

Answer:

She will thin she has 96 extra dollars.

Step-by-step explanation:

Since she recorded it as a credit she thinks that she added that to her account, and let´s say that in her account she had $100, now she has to pay $48, so in reality she has $100-$48=52, so she actually has $52 in her account, but in her checkbook she has that she had $100 and added$48, so she will have: $100+$48=$148, that a $96 deficit from her actual account to her checkbook.

8 0
3 years ago
Read 2 more answers
The scale on a map is 2 cm = 25 miles. Dave measured the distance to the next town at 5 cm. How many miles away is the next town
Maksim231197 [3]

Answer:

62.5

Step-by-step explanation:

2cm = 25mi

1cm = 12.5 (25/2)

5cm is 2 + 2 + 1

2 + 2 + 1 = 25 + 25 + 12.5 = 62.5

6 0
2 years ago
14. Rationalize the denominator and simplify: √5m/√5n
Sholpan [36]
√5m / √5n =

(√5m * √5n ) / (√5n * √5n)

= (√(5m * 5n) ) / (5n)

= (√(25m * n) / (5n)

= √25 * √(m * n) / (5n)

= 5 * √(m * n) / (5n)

= √(m * n) / n

8 0
3 years ago
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