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nirvana33 [79]
3 years ago
14

11 more than 2 times a number, n, has a result

Mathematics
1 answer:
Alenkasestr [34]3 years ago
3 0

Answer:

2n+11

Step-by-step explanation:

since n is 2 times the number it would be 2n and since you add 11 because it's 11 more than 2n it would be 2n+11

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Dessie is training for a triathlon she runs 4 miles for every 9 miles she bikes at the end of her training she has run a total o
gayaneshka [121]

Step-by-step explanation:

Dessie has biked and run a total of 299 miles

6 0
3 years ago
4. When Megan solved this system using the elimination method, she added the equations together and got the equation 4y = 16. Th
Ede4ka [16]
Hi there!

So, our two equations are:
2x + 3y = 20 and
-2x + y = 4

We can see that the x's will cancel out because they're the same number, opposite signs. Then we're left with 4y = 24.

Divide 24 by 4, which is 6.

y = 6, then we plug that in to the first equation for y:
2x + 3(6) = 20
2x + 18 = 20
2x = 2
x = 1

So, she made her first mistake when adding the equations, adding 20 and 4, she somehow got 16. 

The solution to the system is (1,6).

I hope I helped!
6 0
3 years ago
∠WXY and ∠ZXY are adjacent angles. What equation must always be TRUE? m∠WXY=m∠ZXY
Hitman42 [59]

Answer:

m∠WXY+m∠ZXY=m∠WXZ

Step-by-step explanation:

You don't know the angles to be congruent (equal measures), complementary (measures add to 90 deg), or supplementary (measures add to 180 deg); all you know is that they are adjacent, so the sum of the measures of the two smaller angles equals the measure of the larger outer angle.

Answer: m∠WXY+m∠ZXY=m∠WXZ

3 0
4 years ago
Malaya is making a collage of her birthday party photos and she wants to add an 8 x 10 inch. photo. Since there is not enough sp
sergij07 [2.7K]

Answer:

The answer is C. 6.4 X 8 in

Step-by-step explanation:

If the scale factor from the original to the trimmed photo is 5:4

The statement above just means the scale of the old dimension is 5 while the scale of the new dimension is 4.

To get the new dimensions, multiply each of the old dimensions by 4/5

4/5 X 10 = 8

4/5 X 8 = 6.4

Therefore the new dimension is 6.4 X 8 in

3 0
4 years ago
Compare 5.7145 and √29 Show work
Ostrovityanka [42]
The square root of 29 is 5.3851

Compare the first number. In this case, both are five, so move on to the next number.

7 is greater than 3, so the answer would be 5.7145 > The square root of 29.
8 0
4 years ago
Read 2 more answers
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