Consider posting each question separately, please.
Given <span>-2.8k-4.31=-15.79 :
1) Isolate the "k" term on the left by adding 4.31 to both sides of this equation.
2) Simplify the right side.
3) Divide both sides by -2.8 and you'll have the answer: k = ?</span>
The answer is 19.5
You add all the numbers to get 273 and divide by the amount of dots which is 14 to get 19.5
Answer:
74.2899408284 meters
Step-by-step explanation:
2.7 : 1.69
x : 46.5
46.5/1.69=27.5147928994
27.5147928994*2.7=74.2899408284
Answer:
∠DSE = 24°
Step-by-step explanation:
The ∠ASE = 168° is the sum of the angles
∠ASB + ∠BSC + ∠CSD + ∠DSE, thus
13° + 85° + 46° +∠DSE = 168°, that is
144° + ∠DSE = 168° ( subtract 144° from both sides )
∠DSE = 24°
Answer:
7, 4, 3
Step-by-step explanation:
Using Descartes' rule of signs, you can determine there are zero negative real roots. The above answer choice is the only one with no negative zeros listed.
_____
The count of negative real roots is based on the number of sign changes when the signs of odd-degree terms are reversed. Doing that gives the signs of the terms as - - - -, so there are no changes. That means there are no negative real roots.
A graphing calculator confirms this choice.
