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Troyanec [42]
3 years ago
5

When he signed up with the game site, Ming got 200 points.

Mathematics
1 answer:
mote1985 [20]3 years ago
3 0

Answer:

15 hours

Step-by-step explanation:

because yes

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Find the surface area of the cube with 2/3 units squared
Len [333]

Answer:

<h2><u><em>8/3 or 2.66.. units </em></u></h2>

           

Step-by-step explanation:

TSA of cube = 6a²

side = 2/3

= 6 x (2/3)²

= 6 x 4/9

= 2 x 4/3

=8/3

<u>Ans = 8/3 units or 2.66.. units</u>

HAVE A NICE DAY

STAY SAFE

PLS MARK BRAINLIST IF IT IS CORRECT

4 0
2 years ago
At a school, the ratio of boys to girls to teachers is 15:12:3. Find the number of boys in the school. Find the number of girls
Sonbull [250]

Answer:

15:12:3= 15 boys 12 girls and 3 teachers

Step-by-step explanation:

There are 5 boys in the School and 4 girls in the School and 1 teachers in the School

Because you got to try to look for a number that you can divide by all three numbers. And that number is 3. Because if you do 15 ÷ 3 =5, 12÷3=4, 3÷3=1

5 0
4 years ago
Solve -2/3x &gt; 8 or -2/3x &lt; 4.
vekshin1
<h3>Answer: Choice C</h3>

{x | x < -12 or x > -6}

=========================================================

Explanation:

Let's solve the first inequality for x.

(-2/3)x > 8

-2x > 8*3

-2x > 24

x < 24/(-2)

x < -12

The inequality sign flips when we divide both sides by a negative value.

Let's do the same for the second inequality.

(-2/3)x < 4

-2x < 4*3

-2x < 12

x > 12/(-2)

x > -6

The conclusion of each section is that x < -12 or x > -6 which points us to <u>choice C</u> as the final answer.

Side note: The intervals x < -12 and x > -6 do not overlap in any way. There's a gap between the two pieces. We consider these intervals to be disjoint. The number line graph is below.

8 0
3 years ago
Determine the y-intercept and the equation for the horizontal asymptote of the function.
makkiz [27]
K(x) = (1/2)ˣ
Since a (=1/2) is < 1, this exponential function is decreasing .
 y-intercept for x = 0
 k(x) =(1/2)⁰  → k(x) =1, then y-intercept = 1

Horizontal Asymptote:

lim k(x) = (1/2)ˣ = 0
x→∞

Horizontal asymptote x = 0

8 0
3 years ago
A piece of hot metal is cooling at a linear rate. Its Temp. After 4 minutes is 310 deg. Its Temp. After 7 minutes is 205 deg. Wh
rodikova [14]

Answer:

It'll take 12 minutes to be at 30 degrees.

Step-by-step explanation:

Since the metal is cooling at a linear rate then the rate of degrees per minute should be the through the cooling process. From 4 minutes to 7 minutes there was a span of 3 minutes and in that time the metal cooled 105 degrees. So the metal is cooling at a rate of

rate = 105/3 degrees/minute = 35 degrees/min

To reach 30 degrees from 205 it should cool down an additional 175 degrees so it'll take:

minutes = deegrees/rate = 175/(35) = 5 minutes

Since the metal had a temperature of 205 degrees in 7 minutes, then it'll take 12 minutes to be at 30 degrees.

7 0
3 years ago
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