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Greeley [361]
3 years ago
5

Do alien raviolis exist?

Mathematics
1 answer:
emmasim [6.3K]3 years ago
4 0

I would assume not. Is this related to school or no? I'm a little lost here lol

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7cm<br>10cm<br>4cm<br>The area of the compound shape is 106cm.<br>work out the size of x.​
uranmaximum [27]

Answer: 9cm

Step-by-step explanation:

7x10=70cmx^{2}

4(x)=4x

1.) 70+4x=106 (subtract 70 on both sides)

2.)4x=36 (divide 4 on both sides)

3.)x=9

5 0
3 years ago
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PLS PLS PLS PLS PLS PLS PLS HELP MEH WITH THIS MATH PROBLEM I NEED TO GET IT RIGHT!
kozerog [31]

Answer:

A

Step-by-step explanation:

Any number that have the | | symbol will automatically be positive

For example

| -5.8 | = 5.8

6 0
3 years ago
Never mind. No question. Can’t delete.
Evgen [1.6K]
Oof it be like that
4 0
3 years ago
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GEOMETRY PLZZZZZ HELPPPPP
USPshnik [31]

Answer:

(x,y) becomes (-y,x) so (3,2) would become (-2,3)

3 0
2 years ago
A container is filled with 100 grams of bird feed that is 80% seed. Tom and Sally want to mix the 100 grams with bird feed that
marta [7]

Answer:

Initially, we had:

100 grams of a mixture that is 80% seed, (or 0.8 in decimal form)

This means that the quotient between the mass of seeds and the total mass of the mixture is equal to 0.8

Then the mass of seeds, x, can be calculated as:

x/100g = 0.8

x = 0.8*100g

x = 80g

We also have another mixture, that is 5% seed (or 0.05 in decimal form)

This means that in X grams of this mixture, there will be y grams of seeds, such that:

y/X = 0.05

y = 0.05*X grams

Now, we want to create a mixture that is 40% seeds (or 0.4 in decimal form).

Let's do this.

If we add X grams of the 5% mixture, the total mass will be:

M = 100g + X.

The total mass of seeds will be:

m = 80g + X*0.05

and we want that the quotient between the mass of seeds and the total mass to be exactly 0.4

m/M = 0.4

(80g + X*0.05)/(100g + X) = 0.4

Let's solve this for X.

(80g + X*0.05) =  0.4*(100g + X)

80g + X*0.05 = 40g + X*0.4

80g - 40g = X*0.4 - X*0.05

40g = X*0.35

40g/0.35 = X = 114.2g

If we want the mixture to be exactly 40% seeds, we need to add 114.2g of the 5% mixture. (We already can see that Tom is closer to the exact result than Sally)

If we add 114g, like Tom wants, we will have:

M = 100g + 114g = 214g

m = 80g + 0.05*114g = 85.7g

m/M = 85.7g/214g = 0.4005

This is a really good aproximation, if we write this in percentage form this would be:

0.4005*100% = 40.05%

8 0
3 years ago
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