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Sliva [168]
3 years ago
7

Solve for x: −2x + 5 < 7 x > −1 x < −1 x > −6 x < −6

Mathematics
2 answers:
docker41 [41]3 years ago
4 0
-2x + 5 < 7
-5 -5
-2x < 2
/-2 /-2
x > -1
When multiplying or dividing by a negative number, flip the inequality.
Art [367]3 years ago
3 0
I believe the answer is x>-1
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A van moves with a constant speed of 36 miles per hour How long will it take to travel a distance of 177 miles?​
Temka [501]

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Answer:

  4 hours 55 minutes

Step-by-step explanation:

Time, speed, and distance are related by ...

  t = d/s

  t = (177 mi)/(36 mi/h) = 4 33/36 h = 4 11/12 h

The fractional part of this time is ...

  11/12 hour is (11/12)(60) = 55 minutes

The van will take 4 hours and 55 minutes to travel a distance of 177 miles.

7 0
2 years ago
A moto maintained a constant speed of 13 miles per hour relative to the water in going 25 miles upstream and then returning. The
MrRa [10]

Answer:

current speed = 12 mph

Step-by-step explanation:

distance / rate = time

time upstream + time downstream = 26    

25 / (13-c)         +      25 / (13+c)         = 26         ( c = current speed)

solve for c = 12 mi/hr

8 0
1 year ago
Natalie and Maria left the school at 3:05 pm.They walked for 14 minutes before arriving at Maria's house. What time did they arr
Mila [183]

Answer:

They arrived at her house at 3:19

4 0
2 years ago
Read 2 more answers
Find the equation of a line that passes through (0,0) that is perpendicular to 2x+3y=-6
Dovator [93]

The slope-intercept form of a line:

y=mx+b

m - slope

b - y-intercept

Convert 2x + 3y = -6 to the slope-intercet form:

2x+3y=-6         <em>subtract 2x from both sides</em>

3y=-2x-6         <em>divide both sides by 3</em>

y=-\dfrac{2}{3}x-2

Let k:y=m_1x+b_1 and l:y=m_2x+b_2

l\ \perp\ k\iff m_1m_2=-1\to m_2=-\dfrac{1}{m_1}

We have m_1=-\dfrac{2}{3}

Therefore

m_2=-\dfrac{1}{-\frac{2}{3}}=\dfrac{3}{2}

We have the equation of a line:

y=\dfrac{3}{2}x+b

Put the coordinates of the point (0, 0) to the equation:

0=\dfrac{3}{2}(0)+b

0=b\to b=0

Answer: \boxed{y=\dfrac{3}{2}x}


8 0
3 years ago
HELP?<br><br> What percent of 33 is 99?<br><br> 30%<br> 33.3%<br> 200%<br> 300%
Lerok [7]

Answer:

300

Step-by-step explanation:

3 0
3 years ago
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