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k0ka [10]
3 years ago
12

Is number 7 correct ? Please help

Mathematics
1 answer:
Zarrin [17]3 years ago
3 0

option D

rent = 25b + 10

where b is hours for boat rented

85 = 25b + 10

25 b = 75

b = 75/25 = 3

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Guys help plss
krek1111 [17]

Answer:

3 : 2

divide both by 15

Step-by-step explanation:

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3 years ago
Y varies directly as x and y = 18 when x= 1/2. write an equation that relates y and x
Mice21 [21]
\bf \qquad \qquad \textit{direct proportional variation}
\\\\
\textit{\underline{y} varies directly with \underline{x}}\qquad \qquad  y=kx\impliedby 
\begin{array}{llll}
k=constant\ of\\
\qquad  variation
\end{array}\\\\
-------------------------------\\\\
\textit{we also know that }
\begin{cases}
y=18\\
x=\frac{1}{2}
\end{cases}\implies 18=k\cfrac{1}{2}\implies 18=\cfrac{k}{2}
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36=k\qquad therefore\qquad \boxed{y=36x}
5 0
3 years ago
2, 201, 760 in word form
makvit [3.9K]

Answer:

Two million two hundred one thousand seven hundred sixty.

4 0
3 years ago
Read 2 more answers
What is the answer to 10-3n<61
Debora [2.8K]

Answer:

n<-17

Step-by-step explanation

10-61= 51

51/-3=-17

3 0
3 years ago
Which group of three squares will form a right triangle when<br> joined at their vertices?
Ilia_Sergeevich [38]

Answer:

Option ?) 17 cm, 15 cm, 8 cm

<em>The assignment should have </em><em>four options</em><em> to choose from, but there is only a picture of two. </em>

Step-by-step explanation:

<em>None of the squares </em><em>shown</em><em> form a right triangle. To determine if sides form a right triangle, you use </em><em>this</em><em> formula:</em>

a²+b²=c²

<em>We are given two options in the picture.</em>

Option A) 18, 10, and 8.

Option B) 12, 9, and 6.

<em>So, now we need to apply the formula:</em>

Option A)

║8² + 10² = 18²

  ↓

║64 + 100 = 324

  ↓

║FALSE

Option B)

║6² + 9² = 12²

  ↓

║36 + 81 = 144

  ↓

║FALSE

<em>Both of these options are false.</em><em> But, I decided to look up this assignment to check my answer. It turns out, there are </em><em>4 options</em><em>, and you only had a picture of two. So, what's the answer?</em>

<em />

<em>There is an answer choice that shows 3 squares with the lengths of 17 cm, 15 cm, and 8 cm. </em><em>This is the correct answer</em><em>.</em>

<em />

<em>For proof, let's apply the formula:</em>

Option ?)

║8² + 15² = 17²

  ↓

║64 + 225 = 289

  ↓

║TRUE

<em>[Since the option isn't shown, I'll put a '?' so there is no confusion]</em>

8 0
3 years ago
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