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ella [17]
3 years ago
11

Help me on dis please

Mathematics
2 answers:
goldfiish [28.3K]3 years ago
7 0

Answer:

3 * 10^-3

Step-by-step explanation:

It is to the negative third power because the decimal needs to move in front of the 3.

gayaneshka [121]3 years ago
5 0

Answer:

3x10-³

Step-by-step explanation:

3 time 10 to the negative 3 power

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Solve the inequality <br> -40 &gt; -10k
Anvisha [2.4K]
Hi! 

-40>-10k

Divide both sides by -10, and flip the inequality sign since we are dividing by a negative.

4<k

Have a nice day! 
4 0
3 years ago
Solve for angle S ? Please help
BARSIC [14]

Answer:

s= 96

Step-by-step explanation:

s°= 48° +48° (ext. ∠ of triangle)

s°= 96°

s= 96

☆ Exterior angle of a triangle

- The exterior angle of a triangle is equal to the sum of the 2 opposite interior angles.

3 0
2 years ago
Read 2 more answers
an observer on a cliff 1200 feet above sea level sights two ships due East. The angle of depression to the shops are 48° and 33°
ziro4ka [17]
See the attached figure to better understand the problem

we know that
in the triangle ABC
tan 48°=AB/AC--------> AC=AB/tan48°------> 1200/tan 48°------> 1080.48 ft

in the triangle ABD
tan 33°=AB/AD---------> AD=AB/tan 33°-----> 1200/tan 33°------> 1847.88 ft

<span>the distance between the ships is AD-AC---> 1847.88-1080.48----> 767.4 ft

the answer is 
</span>the distance between the ships is 767.4 ft<span>

</span>

4 0
3 years ago
What are the vertex, axis of symmetry, maximum or minimum value, and range of y = 3x^2 + 6x − 1?
Bess [88]
The vertex is when x=-b/2a, which is also the line of symmetry. 
in this case, b=6, a=3, so x=-6/6=-1
when x=-1. y=3-6-1=-4

another way to do it is to write the equation into vertex form by making a square:
3x²+6x-1
3(x²+2x-1/3)
3(x²+2x+1-1-1/3))
3(x²+2x+1-4/3))
notice the bold part makes a square:
3(x+1)²-4

Either way, 
the vertex is (-1, -4)
the axis of symmetry is x=-1
the coefficient of x² is 3, a positive number, so this parabola opens upward. the function has a minimum value of y=-4
the range is all real number larger than -4
6 0
3 years ago
HELP ME PLEASE! 30 POINTS
bazaltina [42]

Answer:

C=14

Step-by-step explanation:

To find the minimum value, graph each of the inequalities. After graphing each inequality, test a point and shade the region that satisfies the inequality. Once all inequalities have been shaded, find the region where they all overlap. The region will be bounded by intersection points. Test each of these points into C=x+3y. The least value for C is the minimum.

(14,0)                  (0,17.5)                   (3.08,3.64)

C=14+3(0)           C=0+3(17.5)           C=3.08 + 3(3.64)

C=14                   C=52.5                   C=14

8 0
3 years ago
Read 2 more answers
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