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masya89 [10]
3 years ago
11

Pls help ill give brainliest

Mathematics
1 answer:
Rainbow [258]3 years ago
5 0

Answer:

lol

Step-by-step explanation:

ok

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The 90km/h bus runs between the two stations in 2 hours and 20 minutes.
AnnZ [28]

Answer:

1. <u>distance</u><u> </u><u>is</u><u> </u><u>2</u><u>1</u><u>0</u><u>k</u><u>m</u>

<u>2</u><u>.</u><u> </u><u>distance</u><u> </u><u>is</u><u> </u><u>1</u><u>6</u><u>3</u><u>•</u><u>3</u><u>k</u><u>m</u>

Step-by-step explanation:

<h2> <u>QN1</u><u>;</u></h2>

<h2> <u>STEP1</u><u>;</u></h2>

SPEED=DISTANCE÷TIME

90km/h= X ÷ 2 hrs and 20mins

<h2> <u>STEP2</u><u>;</u></h2>

CHANGE 20 MINS INTO HRS

1 hr = 60mins

<h2> x</h2>

? = 20mins

<u>2</u><u>0</u><u>m</u><u>i</u><u>n</u><u>s</u><u> </u><u>*</u><u> </u><u>1</u><u>h</u><u>r</u>= 1/3hr

60mins

<h2> <u>STEP3</u><u>;</u></h2>

Speed=distance÷time

90km/h= X ÷ 21/3

Distance= speed * time

X = 90km/h * 21/3hrs

<u>distance</u><u> </u><u>is</u><u> </u><u>2</u><u>1</u><u>0</u><u>k</u><u>m</u>

<h2><u>QN</u><u> </u><u>2</u><u>;</u></h2>

Speed=distance ÷

70km/h= X ÷ 21/3hrs

Distance=speed * time

X = 70km/h * 21/3hrs

6 0
2 years ago
Solve -2 1/3 - (-5) <br><br><br> ANSWER PLZ
Jlenok [28]

Answer:

Step-by-step explanation:

2.6666666667

6 0
3 years ago
Which graph shows the solution to the system of linear inequalities? y &lt; 2x – 5 y &gt; –3x + 1
iren2701 [21]

we have

y < 2x-5 ------> inequality A

The solution of the inequality A is the shaded area below the dotted line

see the attached figure N 1

y > -3x+1 ------> inequality B

The solution of the inequality A is the shaded area above the dotted line

see the attached figure N 2    

The solution of the system of linear inequalities is the shaded area between the two dotted lines

see the attached figure N 3

therefore

the answer in the attached figure N 3

3 0
3 years ago
Read 2 more answers
I need help what is 1/3+1/3+1/4-1/3=?
MrRissso [65]

Answer: 7/12

Step-by-step explanation:

1/3 + 1/3 = 2/3

2/3 - 1/3 = 1/3 (Rearrange the denominator together)

= 1/3 + 1/4

(Multiple 1/3 by 4 for the numerator and the denominator)

(Multiply 1/4 by 3 for the numerator and the denominator as well)

= 4 + 3 / 12

=7/12

5 0
3 years ago
A radio station claims that the amount of advertising each hour has a mean of 15 minutes and a standard deviation of 2.9 minutes
Ilia_Sergeevich [38]

Answer:

0.1296

Step-by-step explanation:

Use the normpdf function available on basic calculators:

normpdf(16,15,2.9) = 0.1296

This is the z-score representing 16 minutes.  Note that 16 is just one point above 15, so this small positive z-score makes sense.

6 0
4 years ago
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