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zysi [14]
3 years ago
15

Match them!

Mathematics
2 answers:
ASHA 777 [7]3 years ago
8 0

Answer: a - 4

b - 1

c - 2

d - 3

e - 5

Step-by-step explanation:

ella [17]3 years ago
5 0

Answer:

1b

2c

3d

4a

5e

Hope this helps ^-^

You might be interested in
Compare Look at these equations. Do you think they are all linear equations? Can they
Georgia [21]

Answer:

Yes they can all be written in y = mx + b. You just have to move the terms around.

Step-by-step explanation:

y = 2x -3, this is already in slope-intercept form

Now, y - 2 = x + 2: We can add 2 on both sides to cancel out the one on the left side:

y - 2 = x + 2

y - 2 + 2 = x + + 2

y = x + 4 <-- This is in y = mx + b form

Now the last one, 3x = 9 + 3y

We can first divide all terms by 3,

3x = 9 + 3y

/3     /3   /3

x = 3 + y: Then we can subtract 3 from both sides:

x - 3 = 3 + y - 3

x - 3 = y

These are all linear equations because none of the x's have bigger powers than 1. x^2 is a quadratic equation and x^3 is cubic equation.

6 0
2 years ago
A scientist running an experiment starts with 100 bacteria cells. These bacteria double their population every 15 hours. Find ho
emmasim [6.3K]

Answer

It will take (t) = 24 hours to reach 300 .

Step by step explanation

It doubles every 15 hours.  initial bacteria = 100

We need to find how long it take for the bacteria cells to increase to 300.

300 = 100(2)^t/15

300/100 = 2^t/15

3 = 2^t/5

Taking "ln" both sides, we get

ln(3) = t/15 ln(2)

t/15 = ln(3)/ln(2)

t/15 = 1.585

t = 1.585 * 15

t = 23.78 hours

t = 24 hours to nearest whole hours.

Thank you.


6 0
3 years ago
Help me with this question please!!!
Deffense [45]
It would be c because you subtract the last two runs
3 0
3 years ago
Solve x + 3y = 9<br> 3x – 3y = -13 (1 point)
Mariana [72]

Answer:

The values of x and y to the given equations are x=-1 and y=\frac{10}{3}

The solution is (-1,\frac{10}{3})

Step-by-step explanation:

Given equations are x+3y=9\hfill (1)

and 3x-3y=-13\hfill (2)

to solve the given equations by elimination method :

Adding the given two equations (1) and (2) we get

x+3y=9

3x-3y=-13

_______________

4x=-4

x=-\frac{4}{4}

Therefore x=-1

Now substitute the value x=-1 in equation(1) we get

(-1)+3y=9

3y=9+1

y=\frac{10}{3}

Therefore the values of x and y to the given equations are x=-1 and y=\frac{10}{3}

The solution is (-1,\frac{10}{3})

8 0
3 years ago
You have a pan with a radius of 16 centimeters. if the cooking instructions say to cover the entire bottom of the pan with butte
Leno4ka [110]
Radius of the pan = 16cm

Formula for area of circle:
           
                   \boxed { \boxed { \text {Area of a circle =}  \pi r^2}}

Find the area of the pan:

                   \text {Area of the pan =} \pi (16)^2 = 804.25 \ cm^2

\boxed { \boxed {\text {Answer : The butter must cover 804.25 cm}^2}}


4 0
3 years ago
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