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gregori [183]
3 years ago
11

How to write 7,777.7 in words and numbers? Plz help!!!

Mathematics
2 answers:
Fynjy0 [20]3 years ago
8 0
Seven thousand seven hundred seventy seven and seven tenths
likoan [24]3 years ago
4 0
Seven thousand, seven hundred seventy seven and seven tenths
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Given that the circles are congruent, can you conclude that YZ=BC?<br> Answer options: yes, no
Anastasy [175]

Answer:

Answer is yes

Step-by-step explanation:

Given in the picture are two circles which are congruent.

This suggests that the radii of the two circles are equal.

Also the central angle of the two circles are congruent (given)

Consider triangles ABC and XYZ,

AC =XY:  AB = YZ:

Angle A = Angle X

By SAS theorem, the two triangles are congruent.

Hence BC = YZ

So yes is answer.

4 0
3 years ago
Find the surface area
uysha [10]
If you notice, the figure has two hexagonal faces and 6 rectangles.

now the rectangles are just 4x9 each, so their area is just 6(4*9) for all 6.

the hexagons has a distance from the center perpendicular to a side of 7.8, namely the apothem is 7.8, and since each side is 9 km long, the perimeter is 9+9+9+9+9+9.

since the area of a regular polygon is (1/2)(apothem)(perimeter), we can simply get the area of those two hexagons and the area of the rectangles, sum them up, and that's the surface area of the hexagonal prism.

\bf \stackrel{\textit{6 rectangles}}{6(4\cdot 9)}~~~~+~~~~\stackrel{\textit{2 hexagons}}{2\left[ \cfrac{1}{2}(7.8)(54) \right]}
7 0
4 years ago
A triangle has a base of 15 feet and a height of 9 feet. What is the area of the triangle? Label the figure. Write the formula,
bazaltina [42]

Answer:

135...................

8 0
3 years ago
Which point is the best approximation of the relative maximum of the polynomial function graphed below?
GarryVolchara [31]

Answer:

The best approximation is the point (-1.4, 16.9)

Step-by-step explanation:

we know that

Observing the figure

The x-coordinate of the relative maximum belong to the interval ----> (-2, -1)

The y-coordinate of the relative maximum belong to the interval ----> (15, 20)

see the attached figure to better understand the problem

therefore

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8 0
3 years ago
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Why is it not reasonable to have a linear trinomial with only one type of letter?
Rus_ich [418]
Because you can just simplify to have 1-2 terms only. Eg:
13+2y+4y (this is a trinomial as it has 3 terms) can be simplified to just give 13+6y
5 0
4 years ago
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