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jarptica [38.1K]
4 years ago
7

Simplify. (28mn2+34m2n)−(14mn2−16m2n+13)

Mathematics
1 answer:
Masja [62]4 years ago
6 0

Answer:

14mn^2+50m^2n-13

Step-by-step explanation:

I hope this helps you.

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Solve the system of equations using substitution.<br> y= -3x + 5 <br> 5x- 4y = -3
frutty [35]

Answer:

sorrie

Step-by-step explanation:

no answer here :)

7 0
3 years ago
Item<br> Price<br> Markup %<br> Markup<br> Retail Price<br> Shoes<br> $75.38<br> 39%<br> $
vodka [1.7K]
The answer is 104.7782 tell me if it’s right
7 0
3 years ago
If tñ=2ñ+3, find S10​
Allisa [31]

Answer:

S_{10}=280

Step-by-step explanation:

Given that,

t_n=2n+3 ...(1)

We need to find the value of S_{10}.

Put n = 1 to find the first term.

t_1=2(1)+3=5

Put n = 2 to find the second term.

t_2=2(2)+3=7

Put n = 3 to find the third term.

t_3=2(3)+3=9

Put n = 10 to find the tenth term.

t_{10}=2(10)+3=23

It means we need to find the sum of 5,7,9,.....,23.

The formula for the sum of n terms is given by :

S_=\dfrac{n}{2}(a+a_n)

We have, n = 10, a = 5 and a_n=23

So,

S=\dfrac{10}{2}(5+23)\\\\S_{10}=10\times 28\\\\=280

So, the value of S_{10} is equal to 280.

3 0
3 years ago
Which expression is NOT equivalent to 40 + 20​
Ber [7]
The correct answer is:
* drumroll please*
4(10+16)

I hope that helps mi amor! ❤️
4 0
3 years ago
Read 2 more answers
Cindy works at Jurassic Park and has been tasked to design a container in the shape of a
vichka [17]

The amount Cindy should increase for each dimension of the scaled model will be 12 meters.

<h3>What is the scale factor?</h3>

The scale factor is defined as the proportion of the new image's size to that of the previous image. decision-making.

Given that:-

  • The scaled model of the container has dimensions of 2m by 4m by 6m. Cindy has decided to increase each dimension of the scaled model by the same amount in order to produce a container with a volume of 84 times the volume of the scale model.

The scale model will be solved as follows:-

Present volume = 2 x 4 x 6 = 48 cubic meters

Let the lengths be increased by x meters now the new volume will be:-

( 2 + x ) ( 4 + x ) ( 6 + x ) = 48 x 84

( x² + 6x + 8 ) ( 6 + x ) = 48 x 84

( x³ + 44x + 12x² - 3984 ) = 0

By solving the cubic equation we will get the value of x = 12 meters.

Therefore the amount Cindy should increase for each dimension of the scaled model will be 12 meters.

To know more about scale factors follow

brainly.com/question/25722260

#SPJ1

8 0
3 years ago
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