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Black_prince [1.1K]
2 years ago
14

Hi if u could help me that'd be great

Mathematics
2 answers:
WINSTONCH [101]2 years ago
8 0

Answer:

1 hour and 45 minutes

and 1 hour

Step-by-step explanation:

x= run

y= walk

5x+2.5y = distance

5x+2.5(1.5)=12.5

solve for x

5x=8.75

x=1.75

1.75 in hours is 1 hour and (60*.75)=45

1 hour and 45 minutes

" If the marathon race participant ran for 2 hours, how many hours did the participant walk?"

We use the same equation

5x+2.5y=distance

we'll assume that they till walked 12.5 miles

which means that

5(2)+2.5y=12.5

solve for y

2.5=2.5y

y=1

1 hour

natali 33 [55]2 years ago
8 0

Answer:

Everybody, everybody

Get out on the floor

It can get a little crazy

When the kick hits the floor

Make a scene Make a scene

Nobody can ignore

Don't knock it, til you rock it

We can't take it no more!

Bring the lights up!

Bust the doors down!

Dust yourself off,

Shake it up!

Shake it up!

DJ set it off!

Take it up a notch

All together now!

Shake it up!

Shake it up!

Step-by-step explanation:

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PLEASE SOME ONE HELP <br><br> find the values of x and y <br> step by step if possible
vlada-n [284]

Answer:

11. 16x +(9x+5)= 180

25x + 5 = 180

25x= 175

x= 7

If x is 7, then the top value is equal to the bottm one becuase they are vertical angles.

112 + 4y= 180

4y = 68

y= 17

Step-by-step explanation:

12. 6x - 11 + 2x - 9= 180

8x - 20= 180

8x= 200

x= 25

6(25) - 11= 139

20y + 19 = 139

20y = 120

y=6

6 0
2 years ago
Using the Binomial Probability table, find P(X) when n = 7, X &lt; 3, and p = 0.5 A. 0.273 B. 0.500 C. 0.227 D. 0.773
Nat2105 [25]

Answer:

0.227

Step-by-step explanation:

Given that X is binomial with n=7 and p =0.5

To find the probability for P(X<3)

i.e. we have to find prob as =P(x=0,1,2)

=P(X=0)+P(X=1)+P(x=2)

P(X=r)=7Cr(0.5)^7

Using binomial table we find prob

P(X<3)=0.2265

Round off this to 3 decimals as

0.227

Hence answer is 0.227

8 0
3 years ago
If n = 5.3 cm and p = 6.25 cm, what is the measure of angle ?
vladimir1956 [14]

Answer:

Hope this helps can I get brainliest I need to rank up :))))

Step-by-step explanation:

32° ... If he is standing 15 feet from the base of the pole, about how tall is the.

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3 years ago
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A football team gained 9 yards on one play and then lost 22 yards on the next. Write a sum of integers to find the overall chang
BartSMP [9]
Gained 9 yards, then lost 22:

9-22=c
-13=c

Therefore, the football team lost 13 yards in overall change in field position. Meaning, the team didn't gain any yards, they lost 13.
7 0
3 years ago
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Plz help! will give brainliest!!!
vesna_86 [32]

Answer:

1.42 x 105

Step-by-step explanation:

3 0
3 years ago
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