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Bess [88]
3 years ago
7

Simplify the expression -10n-2n

Mathematics
1 answer:
creativ13 [48]3 years ago
7 0
Subtract 2n from -10n to get -12n
-12n
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Find the exact value of each trigonometric function for the given angle θ.
irina [24]

Answer:

[rad] 2.41

Step-by-step explanation:

Since it gave you the point and the angle to find, you simply just have to solve for the inverse of cot. Remember cot is the opposite of tan, so cot is cos/sin. In that case, we plug into the calc (in radians):

cot^-1(-√5/2)

And we should get 2.41 as our answer!

3 0
3 years ago
Which numbers are necessary to solve this problem? Franklin brought 4 jump ropes to the park. Each jump rope can be used by 3 pe
Luda [366]

Answer:

  D. 4 jump ropes, 3 people, 15 friends

Step-by-step explanation:

In order to answer the question how many friends could play, you need to be able to determine the smaller of ...

  • (number of ropes) × (friends per rope)
  • number of friends

You can find the first of these numbers using the values of answer A, but if the number of Franklin's friends is smaller than 12, then you need to know that in order to properly answer the question. Hence, we believe you need to know ...

  • the number of jump ropes
  • the number of friends per rope
  • the number of friends
4 0
4 years ago
Find the equivalent expression for (x + 7)(x + 1)​
victus00 [196]

Answer:

x² + 8x + 7

General Formulas and Concepts:

<u>Algebra I</u>

  • Terms/Coefficients/Degrees
  • Expand by FOIL (First Outside Inside Last)

Step-by-step explanation:

<u>Step 1: Define</u>

(x + 7)(x + 1)

<u>Step 2: Expand</u>

  1. Expand [FOIL]:                    x² + x + 7x + 7
  2. Combine like terms:           x² + 8x + 7
3 0
3 years ago
Read 2 more answers
Abby has just started training for a marathon. She ran 15 miles in total during her first week of training. She wants to add an
dsp73

Answer:

204 miles i think

Step-by-step explanation:

7 0
3 years ago
How to solve this problem
PolarNik [594]
X- 6/4=7
x-6=7×4
x-6=28
x=28-6
x=22
4 0
3 years ago
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