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Aleksandr-060686 [28]
2 years ago
12

Mo travels 30 miles in 45

Mathematics
1 answer:
Burka [1]2 years ago
7 0

Answer:

38.4 miles per hour

Step-by-step explanation:

30 miles in 45 minutes

18 miles in 30 minutes

Average speed =   total distance / total time

                          =    (30+18) / ( 45 min + 30 min)

                          = 48 miles / ( 1.25 hr ) = 38.4 miles per hour

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Angela shared a cab with her friends. When they arrived at their destination, they evenly divided the \$j$jdollar sign, j fare a
Galina-37 [17]

Answer:

\$ (\frac{j+15}{3} )

Step-by-step explanation:

There were three friends and the total fare was $j

Each of the friends pays \$ (\frac{j}{3} ) for their cab fare.

Since Angela also paid a $5 Tip

Total Amount Paid by Angela = Share of cab fare + Tip

\$ (\frac{j}{3} ) + \$5

We can simplify this further by taking the LCM.

\$ (\frac{j}{3} ) + \$5=\$ (\frac{j+15}{3} )

The total amount paid by Angela therefore is :\$ (\frac{j+15}{3} )

3 0
3 years ago
HELPPP PLEASE 20 POINTS<br> What is the surface area of this design?
gizmo_the_mogwai [7]

Answer:

197

Step-by-step explanation:

You have 6 sides of this object. So we will calculate six surface areas.

P1=5x5=25 ( on the top)

P2=9x5=45 ( on the bottom)

P3= 5x5= 25 (left side)

P4=6,4x5=32 (rightside)

P5= (9+5)x5/2=70/2=35 ( front trapeze)

P6=P5=35 ( behided trapeze)

P= p1+p2+p3+p4+p5+p6=

25+45+25+32+35+35 =197

8 0
3 years ago
Given 4x+6/2=9 prove x=3
Montano1993 [528]

Steps:

Step 1: Simplify both sides of the equation.

4x+3=9

Step 2: Subtract 3 from both sides.

4x+3−3=9−3

4x=6

Step 3: Divide both sides by 4.

4x /4  =  6 /4

Answer: x= 3/2

Please mark brainliest

<em><u>Hope this helps.</u></em>

8 0
3 years ago
Read 2 more answers
Mrs. Baker uses 7.5 cups of sugar to make 168 cookies. To the nearest hundredth, what is the unit rate in cups of sugar per cook
vodomira [7]

Answer:0.04

Step-by-step explanation:

7 0
3 years ago
HELP ME!! I WILL GIVE BRAINLIEST!!! Express your answer in SCIENTIFIC NOTATION. 9.3 × 10⁷ - 3.4 × 10⁶ = __________ plz help!!
DanielleElmas [232]

Answer:

9.3 × 10⁷ - 3.4 × 10⁶ = 89 600 000

Which is 8.96*10^7 in scientific notation

Hope this helps you

4 0
3 years ago
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