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Rus_ich [418]
3 years ago
5

Estimate 78 percent of 20 A. 14 B. 16 C. 19 D. 2

Mathematics
1 answer:
MrRa [10]3 years ago
4 0
B is the answer............
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By what percent will a fraction decrease if its numerator is increased by 20% and its denominator is increased by 50%?
lana [24]
-20% or a 20% decrease.
3 0
3 years ago
How to graph x plus y equals 6 and y equals x plus 4
IgorC [24]

Answer:

1) convert these words into 2 equations:

x+y=6

y=x+4

1) for the first equation graph by intercepts:

x intercept: x+0=6

x=6

y intercept: 0+y=6

y=6

hence put point (0,6) and (6,0) on the graph

2nd equation:

graph by slope intercept: go to (0,4) on the graph. go up one and over one to the right. You should end up at (1,5)

so graph (0,4) and (1,5)

hope this helps

6 0
3 years ago
Post Falls High School in Idaho has 1160 students and is growing by 22 students per year.  Richmond High School in Indiana has 1
lesantik [10]
You didn’t finish the question but this is the equation:
x = number of years;
1160 + 22x (post falls)
1900 - 15x (Richmond)
5 0
3 years ago
Bethanie's daily drive to work involves driving through some steep terrain. She came up with the following graph to model her el
shtirl [24]

Answer:

Option D.

Step-by-step explanation:

-If the attached graph shows the distance above sea level to which Bethanie's leads as a function of time, then we can observe that after having elapsed 8 minutes Bethanie's is a distance of 0 from sea level.

The graph shows that the value of B(t) is always less than 1 during the 8 minutes of travel.

-On the other hand, the function M(t) = t ^ 3-6t ^ 2 + 11t-6 that models the distance above sea level that Mike drives as a function of time, shows us that after 3 minutes the distance M(t) begins to increase rapidly until at t = 8 minutes:

M(t) = 8 ^ 3 -6 (8) ^ 2 +11 (t) -6 = 210.

Therefore the correct option is D

The person who leads to the highest elevation is Mike.

8 0
3 years ago
Read 2 more answers
determine the value of , if possible. If the triangles are congruent, state which triangle congruence condition you used. If the
PilotLPTM [1.2K]

Answer:

"Can't be determined"

Step-by-step explanation:

From the triangles given in the picture,

Given:

m∠A = m∠C

m∠B = m∠D

But for the congruence of these triangles third condition is not given.

Therefore, congruence of these triangles can not be determined.

So the answer is "Can't be determined"

4 0
2 years ago
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