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faltersainse [42]
4 years ago
15

PLEASE HELP WITH EXPLAINATON THANK YOUUU

Mathematics
2 answers:
katrin [286]4 years ago
7 0
You have to show a problem for people to answer it.
True [87]4 years ago
4 0
What do you want me to explain
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Solve for n.<br> 19n+20≥1
MrRissso [65]

19n + 20 \geqslant 1

19n + 20 - 20 \geqslant 1 - 20

19n \geqslant  - 19

\frac{19n}{19} \geqslant  \frac{ - 19}{19}

n =  - 1

4 0
3 years ago
Read 2 more answers
Calculate the area of the regular pentagon below: A regular pentagon with side length of 11.8 inches and dotted line from center
vlada-n [284]

Answer:

Area of regular pentagon is 238.95 square inches.

Step-by-step explanation:

Given a regular pentagon with side length of 11.8 inches and dotted line from center to middle of side of 8.1 inches.

we know a regular polygon divides into 5 congruent triangles.

Side of pentagon i.e base of one triangle is 11.8 inches.

Also, distance from center to middle of side which is height of triangle is 8.1 inches.

Area of 1 triangle= \frac{1}{2}\times base\times height

                           =  \frac{1}{2}\times 11.8\times 8.1

                           = 47.79 sq inches.

Area of regular pentagon=area of 5 congruent triangles= 5\times 47.79=238.95 sq inches.

5 0
3 years ago
Carys is checking her tax bill for the last year.
AfilCa [17]

Answer:

$7,440.

Step-by-step explanation:

$0-$11,000 = no tax.

$11,000-$43,000 = 20%.

$43,000-$150,000 = 40%.

The earnings over $150,000 = 45%.  etc....

$45,600, = Revenue

Tax is 11000-43000  is = 0.20 * (32000)

= 11000-43000 = 6400

Tax  is 43000-45,600 is  = 0.40 *(2600)

=  45,600-43000 = 1040

=6400+1040 =7440

3 0
4 years ago
What is the solution set to 6x – 12 &gt; 30?
Ad libitum [116K]

Answer:

Inequality Form:

x > 7

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

x can be anything bigger then 7 to make this true.

7 0
3 years ago
What some things that apply to quadratics
Marina CMI [18]

Quadratic equations are also used when gravity is involved, such as the path of a ball or the shape of cables in a suspension bridge. A very common and easy-to-understand application of a quadratic function is the trajectory followed by objects thrown upward at an angle.

4 0
4 years ago
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