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inn [45]
2 years ago
13

Need help very urgent :)

Mathematics
1 answer:
iogann1982 [59]2 years ago
8 0

Answer:

A= 15 root 5 - 10 ÷ 41

Multiply (3 root 5 - 2) top and bottom. Simplify

B= - 2

Multiply (root 3 + root 5) top and bottom. Simplify

C= 6x - 3 root xy ÷ 4x - y

or

3x - 3 root xy ÷ 2x - y

(because 6 & 4 is Divisible by 2)

Multiply (2 root x - root y) top and bottom. Simplify

Root means a square root - so, replace the word root with a square root!

Hope this helps!

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Answer:

no

Step-by-step explanation:


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3 years ago
The sum of the three interior angles of a triangle is 180 degrees.
Sladkaya [172]
It can be b), c) and d).

b) because it says the sum of three angles — this one’s the most obvious, as we can look at x, y and z as three different angles that sum up to 180.

c) works because 3a is, in essence, a + a + a, which we can look at as the sum of 3 angles that adds up to 180.

d) because we already have 2 angles, and “a” is just an unknown angle. It all sums up to 180.

a) and e) dont work because they involve multiplying (x*y*z and x*x*x) and the problem says we need to look for the sum of angles, not the product. :)
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3 years ago
The pattern follows the "add one dot to the top of each column and one dot to the right of each row" rule. What will the 7th ter
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Answer:

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Step-by-step explanation:

i think

5 0
3 years ago
Read 2 more answers
Miguel needs 4 gallons of milk to make 12 milkshakes. How much milk does he need to
horrorfan [7]

Answer:

see the procedure

Step-by-step explanation:

Part 1) using proportion

we know that

Miguel needs 4 gallons of milk to make 12 milkshakes

so

Using proportion

Find out how much milk he needs to make 30 milkshakes

Let

x ----> gallons of milk needed

\frac{4}{12}\frac{gal}{milkshakes}=\frac{x}{30}\frac{gal}{milkshakes}\\\\x=30(4)/12\\\\x=10\ gal

Miguel needs 10 gallons of milk to make 30 milkshakes

Part 2) we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form y/x=k or y=kx

This problem represent a proportional relationship

Let

x ----> the number of gallons of milk

y ----> the number of milkshakes

we know that

Miguel needs 4 gallons of milk to make 12 milkshakes

so

For x=4, y=12

Find out the constant of proportionality k

k=y/x

substitute the values

k=12/4=3\ milkshakes/gallon

The linear equation is equal to

y=3x

For y=30

substitute in the equation and solve for x

30=3x

Divide by 3 both sides

x=10\ gal

6 0
3 years ago
Read 2 more answers
1,323 miles 443 miles and 409 Round to nearest ten
kodGreya [7K]

Answer:

470

Step-by-step explanation:

1323 rounds to 1320  

443 rounds to 440  

409 rounds to 410  

1320 - (440 + 410) =  

1320 - 850 =  

470 <===

3 0
3 years ago
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