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Dmitry_Shevchenko [17]
3 years ago
8

Could someone help with this inequality? 20≥−3.2(c−4.3) thanks >o

Mathematics
2 answers:
IrinaK [193]3 years ago
4 0
Your solution would be -1.95<=x . btw couldn’t do the less than or equal to so i put that.
givi [52]3 years ago
4 0

Answer:

c ≥ 1.95

Step-by-step explanation:

If

20≥−3.2(c−4.3),

then,

20 ≥ −3.2c + 13.76

20 - 13.76 ≥ −3.2c

6.24 ≥ −3.2c

Divide through by -3.2 and this reverses the sign (due to the division by negative number)

c ≥ 1.95.

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Matty jogs 9 km/hr. Identify the correct conversion factor setup required to compute Matty's speed in m/s.
Anastaziya [24]

Answer:

2.5 m/s

Step-by-step explanation:

Matty's speed = 9 km/hr

We need to convert 9 km/hr to m/s

We know that,

1 km = 1000 m

1 hour = 3600 seconds

v=9\times \dfrac{1000\ m}{3600\ s}\\\\=2.5\ m/s

So, Matty jogs with the speed of 2.5 m/s.

4 0
3 years ago
On your own paper graph each system of equations and then describe it: y=x+4 3x+5y=10
ki77a [65]
Each equation form a straight slanting line. For the first equation, it is slanting towards the right which denotes that it has a positive slope. For the the second equation, its plot is slanting towards the left denoting that its slope is negative. Common to both equation is the point (-1.25, 2.75). At this point, the two lines intersect.
7 0
3 years ago
What is 3 divided by 5 5/8
Sauron [17]
If you would like to know what is 3 divided by 5 5/8, you can calculate this using the following steps:

5 5/8 = 45/8
3 divided by 5 5/8:
3 / 5 5/8 = 3 / 45/8 = 3 * 8/45 = 8/15

The correct result would be 8/15.
5 0
3 years ago
Read 2 more answers
Read each problem carefully and solve as required then answer the questions that follow
zepelin [54]

Answer:

Step-by-step explanation:

1) Number of children = c

Number of adults = a

Total ticket = 250

c + a = 250 -------------------(I)

Cost of 'c' children tickets = 200c

Cost of 'a' adult tickets =  450a

Total cost = 76000

200c + 450a = 76000  ------------------(II)

Multiply (I) by (-200) and then add

(I)*(-200)          -200c - 200a = -50000

(II)                    <u> 200c + 450a = 76000 </u>

<u> </u>                                    250a = 26000

                                           a = 26000/250

a = 104

Plug in a = 104 in equation (1)

c + 104 = 250

         c = 250 - 104

        c = 146

2)Number of children = 146

Number of adults = 104

7 0
3 years ago
3. Which graph best represents the solution to the following system? (1 point)<br> (5x – 2y &lt;10
Step2247 [10]

Answer:

The graph in the attached figure

Step-by-step explanation:

The complete question is

Which graph best represents the solution to the following system?

5x - 2y < (less than or equal to) 10

x + y < 5

we have

5x-2y\leq 10 ----> inequality A

isolate the variable y

Adds 2y both sides

5x \leq 10+2y

Subtract 10 both sides

5x-10 \leq 2y

Divide by 2 both sides

2.5x-5 \leq y

Rewrite

y \geq 2.5x-5

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

The equation of the solid line is y=2.5x-5

The slope of the solid line is positive m=2.5

The y-intercept of the solid line is (0,-5)

The x-intercept of the solid line is (2,0)

x+y < 5 -----> inequality B

Isolate the variable y

Subtract x both sides

y < -x+5

The solution of the inequality B is the shaded area below the dashed line

The equation of the dashed line is y=-x+5

The slope of the dashed line is negative m=-1

The y-intercept of the dashed line is (0,5)

The x-intercept of the dashed line is (5,0)

using a graphing tool

The solution of the system of inequalities is the shaded area between the solid line and the dashed line

see the attached figure

7 0
3 years ago
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