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wlad13 [49]
2 years ago
6

2m+1 _2m÷2m:simplify​

Mathematics
1 answer:
denis-greek [22]2 years ago
4 0

Simplify the <u>expression</u>.

2m

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Sally is driving at 30 miles an hour on the Freeway. The next town Sally will reach is 20 miles away. How long will it take Sall
lilavasa [31]

Sally to get to the next town in 2/3 hour.

According to the statement

The distance covered by sally to get next town is 20 miles

Speed at which sally drive is 30 miles per hour

We know that the

TIME = DISTANCE / SPEED

Substitute the values in it and

TIME = 20 / 30

TIME = 2/3 hour

So, Sally to get to the next town in 2/3 hour.

Learn more about SPEED here brainly.com/question/4931057

#SPJ4

5 0
2 years ago
Let F be the function given by f(x)= 2xe^x. Determine the interval(s) on which the graph is concave down.
Vika [28.1K]
Hello,

y=2xe^x
y'=2(e^x+xe^x)=2(x+1)e^x
y''=2(e^x+(x+1)e^x)=2(x+2)e^x

x     |-infinite   -2  0    +infinite
e^x | ++++++++++++++++++
x+2 |------------0 +++++++++++
y''    | -----------0 +++++++++++

y''<0 if x<-2
<span>The interval on which the graph is concave down is (-infinite -2[</span>

7 0
3 years ago
The designer sketched a model of the pond. The model drawing had a circumference of 24 inches. What is the AREA of the model she
Delicious77 [7]

Answer:

Area of model pond = 45.6 inch² (Approx.)

Step-by-step explanation:

Given:

Circumference of circular pond = 24 inches

Find:

Area of model pond

Computation:

Circumference of circle = 2πr

Circumference of circular pond = 2πr

24 = 2[22/7][r]

Radius r = [24 x 7] / [2 x 22]

Radius r = 3.81 inch (Approx.)

Area of circle = πr²

Area of model pond = πr²

Area of model pond = (22/7)(3.81)²

Area of model pond = [3.1428][14.5161]

Area of model pond = 45.6 inch² (Approx.)

6 0
3 years ago
<img src="https://tex.z-dn.net/?f=9x%20%7B%7D%5E%7B2%7D%20y%20%7B%7D%5E%7B3%7D%20z%20%7B%7D%5E%7B5%7D%20%20%5Cdiv%206x%20%7B%7D%
dexar [7]

Answer:

3y²z³ / 2x

Step-by-step explanation:

we can take one term at a time:

9/6 can be simplified to 3/2

x²÷x³ = x^-1 which equals \frac{1}{x}

y³÷y = y²

z⁵÷z² = z³

put it all together:

3·\frac{1}{x}·y²·z³ / 2  or

3y²z³ / 2x

8 0
3 years ago
Help me, please ;-; no links :))
pishuonlain [190]

Answer:

the answer is b good luck

8 0
3 years ago
Read 2 more answers
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