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slavikrds [6]
2 years ago
11

Can someone please please please help me? I need this to be correct or else I’m gonna be grounded for the rest of the summer…

Mathematics
2 answers:
mixas84 [53]2 years ago
6 0

Answer:

A

Step-by-step explanation:

42-14=28

iogann1982 [59]2 years ago
6 0

Answer:

A. 42 and 14

Step-by-step explanation:

first number = x

second number = y

x - y = 28

3x - x = 28

(y is now x because it says the second number is whatever x was, but three times less)

x = 14

3(14) - (14) = the original number, 28

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3241004551 [841]
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6 0
3 years ago
Which graph represents exponential decay? On a coordinate plane, a straight line has a negative slope. On a coordinate plane, a
RoseWind [281]

Answer:

The correct option is (C).

Step-by-step explanation:

The exponential function representing decay is as follows:

y=y_{0}\cdot e^{kt};\ k

Here,

<em>y</em> = final value  

<em>y</em>₀ = initial value  

<em>k</em> = growth rate  

<em>t</em> = time passed

The graph represents exponential decay is:

"On a coordinate plane, a graph approaches y = 0 in quadrant 1 and curves up into quadrant 2."

Thus, the correct option is (C).

3 0
3 years ago
Read 2 more answers
Add:
dezoksy [38]
   (4-3n-5n2)

+( -2+n-3n2)
____________________
    -2-2n-8n2

8 0
3 years ago
Read 2 more answers
what is the volume of a triangular pyramid that is 10 inches tall and has a base area of 9 square inches please help
andreyandreev [35.5K]

Answer:

90 but since its a triangle but im

pretty sure you have to divide by 2 so 45 i think

3 0
3 years ago
Just runs 11 miles in 67 minutes how many miles does he run per minute<br>​
alina1380 [7]

Answer

Just runs 7 minutes per mile

Step by Step explanation

Divide 11 by both numbers which leaves you with

1/6

Because you have to divide 11 by 11 and 67 by 11

when you calculate it you get 6.090909091

so you can round it to 7.

8 0
3 years ago
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