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4 years ago

How many minutes are in 2 3/5 hours

2 answers:

7 0

Well since there are 60 minutes in an hour with means there has 120 minutes

Divide 60 by 5 = 12 x 3 = 36

120 + 36 = 156 minutes.

ira [324]4 years ago

6 0

First convert 3/5 into 6/10. You know 2 hours is 120 minutes so now you got to find how mind are in 6/10 of an hour. It is 36 minutes. Now you add 120 and 36 so it is 156 minutes

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The numbers below represent side lengths of various triangles. Which of the triangles are right triangle?

Marina86 [1]

Answer:

Step-by-step explanation:

Number 5

8 0

3 years ago

If angle a and angle b are supplementary angles and angle a is nineteen times as large as angle b, find the measures of angle a

tiny-mole [99]

A+b=180
a=19*b

19b+b=180
20b=180
b=180:20
b=9°
a=19*9=171°

7 0

3 years ago

Read 2 more answers

The long division below shows the first term of the quotient. Which polynomial should be subtracted from the dividend first? mc0

nasty-shy [4]

X³+2x² is your answer i got it right in my test ;)

6 0

3 years ago

Read 2 more answers

F(x)=2x+1<br>if f(x)=4, what is the value of x?

Lady bird [3.3K]

Answer:

1.5

Step-by-step explanation:

F(x)=2x+1

For F(x) = 4

F(x)=2x+1 = 4

2x = 4 - 1

2x = 3

Dividing through by 2

2x/2 = 3/2

X = 3/2 = 1.5

3 0

4 years ago

The table below shows the cost of downloading songs from a website. Number of Songs Total Cost 14 $8.96 16 $10.24 18 $11.52 If c

shepuryov [24]

Given:

c = total cost.

s = number of songs.

To solve this question, follow the steps below.

Step 01: Find 2 points (s, c).

You can choose 2 points from the table.

Let's choose (14, 8.96) and (16, 10.24).

Step 02: Substitute one point in the general equation.

Given the general equation:

$c=ms+b$

Substituting the first point.

$\begin{gathered} 8.96=14m+b \\ 8.96-14m=b \\ b=8.96-14m \end{gathered}$

Isolating b by subtracting 8.96 m from both sides:

$\begin{gathered} 14-8.96m=8.96m+b-8.96m \\ 14-8.96m=b \\ b=14-8.96m \end{gathered}$

Step 03: Substitute b in the general equation.

$\begin{gathered} c=ms+b \\ c=ms+8.96-14m \end{gathered}$

Step 04: Substitute the second point in the equation above.

$\begin{gathered} c=ms+8.96-14m \\ 10.24=16m+8.96-14m \\ 10.24=2m+8.96 \end{gathered}$

Step 05: Solve the equation above for m.

To do it, first, subtract 8.96 from both sides.

$\begin{gathered} 10.24-8.96=2m+8.96-8.96 \\ 1.28=2m \end{gathered}$

Now, divide both sides by 2.

$\begin{gathered} \frac{1.28}{2}=\frac{2}{2}m \\ m=0.64 \end{gathered}$

Step 06: Substitute m in the equation from step 02 to find b.

$\begin{gathered} b=8.96-14m \\ b=8.96-14\cdot0.64 \\ b=8.96-8.96 \\ b=0 \end{gathered}$

Step 07: Write the equation.

$\begin{gathered} c=0.64s+0 \\ c=0.64s \end{gathered}$

Answer:

c = 0.64s

7 0

2 years ago