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Shtirlitz [24]
2 years ago
8

Solve 3x≤ -6 graph the sloution

Mathematics
2 answers:
SIZIF [17.4K]2 years ago
8 0

Answer:

x≤-2

Step-by-step explanation:

Bess [88]2 years ago
7 0

3x≤-6

x=-2

mark it on the x axis and then shade to the left

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Giovanni and Jean started a 120-mile bicycle race at the same time. Giovanni cycled at 23.9 miles per hour while Jean cycled at
ehidna [41]

Answer:

Giovanni was 0.5 miles from the finish line

Step-by-step explanation:

This is a problem of movement with constant velocity.

For this kind of problems, generally it is enough to remember the definition of average velocity v:

v=\frac{x}{t}

Where x is the change in position that took place in an interval t.

First, find the time that Jean, who cycled at 24 miles per hour, spent on the race:

Isolating t from the last equation,

t=\frac{x}{v}, and replacing the data for Jean movement:

t=\frac{120}{24}=5h

Second, find what was the distance that Giovanni had cycled when Jean crossed the line:

x=v*t\\ x=23.9*5=119.5

When Jean crossed the line he had cycled 120 miles, and Giovanni 119.5; so Giovanni was 0.5 miles from the finish line.

4 0
2 years ago
Which conversion factors are used to multiply to 18 cm/s18 cm/s to get meters per minute?
ValentinkaMS [17]
18 cm/s = 10.797840431914 m/min
8 0
2 years ago
On May 22, 1960, an earthquake in Chile measured 9.5 on the Richter scale. On February 27, 2010, another earthquake in Chile mea
AnnZ [28]

Answer:

5

Step-by-step explanation:

use M = log (StartFraction I Over I Subscript 0 Baseline EndFraction)

6 0
2 years ago
Relative to the circle with the equation x +y = 4, how has the circle with the equation (x + 5)2+(-6) = 4 been shifted?
TiliK225 [7]

Answer:

Circle (ii) shifted 5 units left and 6 units up to get the circle (iii).

The radius of the circle is 2 units.

Step-by-step explanation:

The standard form of a circle is

(x-h)^2+(y-k)^2=r^2        ...(i)

where, (h,k) is center and r is radius of the circle.

Consider the given equations of the circle are

x+y=4      ...(ii)    

(x+5)^2+(x-6)^2=4     ...(iii)

From (i) and (ii), we get

h=0,k=0,r^2=4\Rightarrow r=2

So, the center of circle (ii) is (0,0) and radius is 2.

From (i) and (iii), we get

h=-5,k=6,r^2=4\Rightarrow r=2

So, the center of circle (iii) is (-5,6) and radius is 2.

Therefore, the circle (ii) shifted 5 units left and 6 units up to get the circle (iii). The radius of the circle is 2 units.

6 0
3 years ago
Demitri's parents begin saving for his college fund when Demitri is 10 years old. They invest $5,000 in an account that earns 1.
qaws [65]

Answer:

yes

Step-by-step explanation:

A = P(1 + r)^t

A = total amount

P = principal

r = interest rate, as a decimal

t = time, in years

A = 5000·[(1 + .012)^8]

A = 5000(1.1001)

A = 5,500.65

amount of investment after 8 years = $5,500.65

two years of community college = $5,400

3 0
2 years ago
Read 2 more answers
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