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lidiya [134]
4 years ago
15

How would I solve this

Mathematics
1 answer:
Arisa [49]4 years ago
4 0

Answer:

7/10

Step-by-step explanation:

1. distribute the -2 to the 5x and -9 to get -20x+18

2. the -(-4) equals pos. 4

-10x+18=10x+4

-10x

-20x+18=4

-18

-20x=-14

-14/-20

x=7/10

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Check my answers? questions in the attachment :)
GarryVolchara [31]
1 Correct!
2 Correct!
3 Correct!
4 Correct!
5 Correct!



6 0
4 years ago
If Noah ran 2 1/2 miles in 3/5 How fast, in miles per hour, did he run?
Olegator [25]
To calculate the speed of each one we proceed as follows:
speed=distance/time
a] Noah's speed:
distance=2.5 miles
time=3/5 hours

speed=(2 1/2)/(3/5)
=(5/2)/(3/5)
=5/2×5/3
=25/6
=4 1/6 mi/hr

Emily's speed
distance=3 3/4 miles
time=5/6 hour
thus
speed=(3 3/4)/(5/6)
=15/4)/(5/6)
=15/4×6/5
=4 1/2 mi/hr

Anna's speed:
distance=3 1/3 miles
time=3/5
speed=(3 1/3)/(3/5
=(10/3)/(3/5)
=10/3×5/3
=5 5/9 mi/hr

Anna was the fastest
4 0
3 years ago
Read 2 more answers
help please there is also another question i asked like 7 hours ago that was NEVER ANSWERED but please answer ILL MARK BRAINLIES
eduard

Answer:

the first one would be m<EOF+m<FOB=180°,

and the second one would be 76ft

Step-by-step explanation:

supplementary angle means the angle that would make it equal 180°. if m<EOF is an acute angle then the angle that is supplementary to EOF would be obtuse, so FOB.

then for the second question, the midpoint splits the angle in HALF, so that means in order to find RT you multiply 38×2.

3 0
4 years ago
Nadia needs one cup of ice cream for every student in her class for their year-end party. the ice cream is only sold in pints. i
mylen [45]

Answer:

12 pints

Step-by-step explanation:

There are 24 students & each one gets 1 cup, so you will need 24 cups total.  There are 2 cups in a pint.  You divided the 24 cups you need by 2 cups in a pint to get the answer of 12 pints.

You can double check:  12 pints converted to cups (2 cups in a pint) is 12 x2 = 24 cups

7 0
2 years ago
Helen walk 2 3/4 miles per day. Bill run's 10 miles every 4 days. In 4 days, who runs the longest distance
Gennadij [26K]
Helen runs the longest distance in 4 days.

Helen (In 4 days): 2.75 x 4 = 11

Bill (In 4 days): 10

11 (Helen) > 10 (Bill), so therefore Helen runs the longest distance in 4 days.
5 0
4 years ago
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