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11111nata11111 [884]
3 years ago
11

Write a word phrase can you use to represent and algebraic expression 3m

Mathematics
1 answer:
Andreas93 [3]3 years ago
3 0
Three times two because when there is no space in a algebric expression itś called multiplication
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Omar had 7 goldfish in his tank. He has 3 fewer redfish than goldfish in his tank. Omar also has 8 more black fish than goldfish
IgorC [24]
Answer, 26 fish in all
3 0
4 years ago
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You were given 10 math problems for homework you completed 3/10 of them at school show many problems do you still have?
Lilit [14]

Answer: 7/10 Problems left to do

Step-by-step explanation: If you have 10 Problems to do on your homework (10/10) and you complete 3/10 of them, then you take 10-3 to get 7, so your answer is 7/10.

7 0
3 years ago
Joanne has 20 books on crafts and cooking. she has 6 more cookbooks than craft books. how many of each does she have?​
marin [14]

Answer:

Crafts books: 7

Cookbooks: 13

Step-by-step explanation:

Let x be the crafts book

Let y be the cookbooks

Solve for x:

  1. Plug x and y in: x + y = 20
  2. Re-write: y = x + 6
  3. Plug in x + 6 instead of y: x + x + 6 = 20
  4. Combine like terms: 2x + 6 = 20
  5. Subtract 6 from each side, so it now looks like this: 2x = 14
  6. Divide each side by 2 to cancel out the 2 next to x. It should now look like this: x = 7

Solve for y:

  1. Re-use an equation from above: y = x + 6
  2. Plug in the value of x: y = 7 + 6
  3. 7 + 6 = 13
  4. So, y = 13

I hope this helps!

5 0
4 years ago
Use a common denominator to determine whether the ratios form a proportion.
scoray [572]
B is the correct answer. you can not multiply the first ratio be anything to make it equal the 2nd. 


6 0
3 years ago
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PLEASE HELP WILL GIVE BRAINLIEST AND 20 POINTS
klio [65]
15 inches.

The side length of the base is 4. Find the surface area of the base only by squaring the side length - 4² - which is 16. The surface area of the base is 16 in². 

The surface area of the entire pyramid can be found using this equation:

SA = B +  \frac{1}{2} nbl 

Where:
- SA is the surface area (136 square inches)
- B is the area of the base (16 square inches)
- n is the number of triangles (4, because it's a square pyramid)
- b is the base length (4 inches)
- l is the slant length

Note that we have many parts of this equation, and all we need is the slant length. So, let's format the equation with what we have:

136 = 16 + \frac{1}{2} * 4 * 4 * l

So then we want to solve for l, the slant height. So, start by subtracting 16 from each side. This would give us: 

120 =  \frac{1}{2} * 4 * 4 * l

Now, multiply both sides by 2 to get rid of the fraction:

240 = 4 * 4 * l

Finally, divide both sides by four, twice (divide by 16):

15 =  l

So, we know that the slant height of this pyramid is 15 inches.

4 0
4 years ago
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