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natulia [17]
3 years ago
11

Help please will give brainliest

Mathematics
2 answers:
Rom4ik [11]3 years ago
6 0
Number 18

C=16h
.............
Ne4ueva [31]3 years ago
3 0

Answer:

18.

a) 6k + 2y

b) 2x^2 + 2x

c) 16h

19.  4.5 cm

20.

a) x > 4.5

b) x >= 32

Step-by-step explanation:

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Charlotte is running at a rate of 9\,\dfrac{\text{km}}{\text{h}}9
finlep [7]
<h3>Answer: Charlotte's speed in meter/second is 2.5m/s.</h3>

Step-by-step explanation:

Given speed of Charlotte in kilometer per hour = 9 km/h

We need to find the Charlotte's speed in meter per second.

We know 1 kilometer = 1000 meter

And 1 hour = 3600 seconds.

Plugging those values of km and hour in given speed in km/h, we get

9\ \frac{km}{h} = 9\times \ \frac{1000m}{3600 seconds}

=\frac{10m}{4s}= 2.5\ m/s.

Therefore,

<h3>Charlotte's speed in meter/second is 2.5m/s.</h3>
4 0
3 years ago
Read 2 more answers
Fred and Matt are playing basketball. If x represents the points Matt ended with, and 3x represents the points Fred ended with,
Zina [86]

It tells you that Fred has three times the score more than Matt.

This is because Matt has x points, Fred tops Matt by 3x points.

4 0
3 years ago
Complete the formulas for surface area and volume of a cube, where a is the length of an edge
Amanda [17]
Idk .....&;&&3&&26:)8/&9/&/!;)6,)3!299//!/!$:
8 0
3 years ago
Can someone please help me on this!!
Rufina [12.5K]
You need help with all of them or one in specific? 

6 0
3 years ago
Can someone please help me
djyliett [7]

Slope = (10 - 5)/(-9 + 15) = 5/6

y = mx + b where m = slope and b = y-intercept

b = y - mx

b = 5 - (5/6) (-15)

b = 5 +12.5

b = 17.5

Equation y = 5/6 x + 17.5

Y-intercept = 17.5

X-intercept when y = 0

So

5/6 x + 17.5 = 0

5/6 x = -17.5

x = (-17.5) (6/5)

x = -21

Answer

Y intercept (0, 17.5 )

X intercept (-21 , 0)

3 0
3 years ago
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