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DiKsa [7]
3 years ago
15

Write this into a equation

Mathematics
1 answer:
solniwko [45]3 years ago
4 0
Let the number be 'x'.

Three times a number will then give 3x
Therefore the equation will be:
3x - 4 = 5
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How do you simplify -3 1/2- -12 1/4
astraxan [27]

To make the problem simpler, turn it to an improper fraction.

-7/2--49/48

-7/2+49/48

They have to have same dnominator to add.

-168/48+49/48

-119/48

8 0
4 years ago
-10(1 - 9x) + 6(x - 10) <br> Pics pls
Galina-37 [17]

Answer:

  • \boxed{\sf{96x-70}}}

Step-by-step explanation:

Use the distributive property.

<h3>What is a distributive property?</h3>

Distributive property is a serving to distribute or allot or disperse.

<u>Distributive property:</u>

A(B+C)=AB+AC

A(B-C)=AB-AC

-10(1-9x)+6(x-10)

<u>Expand.</u>

-10(1-9x)

-10*1=-10

-10*9x=90x

\longrightarrow \sf{=-10+90x+6\left(x-10\right)}}

6(x-10)

6*x=6x

6*10=60

6x-60

<u>Rewrite the problem down.</u>

= -10+90x+6x-60

<u>Combine like terms.</u>

90x+6x-10-60

<u>Add the numbers from left to right.</u>

90x+6x=96x

96x-10-60

<u>Finally, subtract the numbers from left to right.</u>

-10-60=-70

\Longrightarrow \boxed{\sf{96x-70}}

Therefore, the final answer is<u> 96x-70.</u>

I hope this helps, let me know if you have any questions.

To learn more about distributive property:

brainly.com/question/2807928

#SPJ1

3 0
2 years ago
Read 2 more answers
If the ratio of the radii of two spheres is 6 : 5, what is the ratio of the surface areas of the two spheres?
Veseljchak [2.6K]
Answer: Choice C) 36:25

To get this answer, we simply square each piece of the original ratio 6:5
6^2 = 36
5^2 = 25

Think of two squares where one has a side length of 6 and the other of 5. The ratio of the sides is 6:5. The areas of the two squares are 36 and 25 as mentioned above. So the ratio is 36:25. This idea can be applied to any surface area or area in general. It doesn't have to be two squares. The reason why we can apply this to any general shape is because we can break up the shape into small squares to get a rough approximation. The more squares we use, the better the approximation.
7 0
3 years ago
-3-5x-5y+8x+7y+8<br> PLEASE ANSWE ASAP
Strike441 [17]

Answer:

3x+2y+11

Step-by-step explanation:

I hope this helps

your welcome

7 0
3 years ago
Read 2 more answers
Please help me with this
Vika [28.1K]

Answer:

- 7/4

Step-by-step explanation:

4 0
3 years ago
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