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Tanzania [10]
3 years ago
7

Which two lakes are they?

Mathematics
1 answer:
Marizza181 [45]3 years ago
8 0
Lake A : 4/5
Lake B : 21/35 (simplifying by 7) = 3/5
Lake C : 3/9 (simplifying by 3) = 1/3
Lake D : 6/16 (simplifying by 2) = 3/8
Lake E : 24/30 (simplifying by 6) = 4/5

Alternative C, Lake A and Lake E
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From the top of a tower that is 300 ft high, a person observes the base of a tree at an angle of depression of 45. identify the
Alexeev081 [22]

Answer:

A

Step-by-step explanation:

Connect the top of the tower (assuming the person's height can be ignored), the bottom of the tower, and the tree to form a right triangle.

Since the person is looking down at a 45 degree, it means the triangle is a equilateral triangle, so the length from the base of the tower to the base of the tree is also 300ft.

5 0
3 years ago
Douglas said he can find 240÷10 by taking the 0 off 240 to get 24.
julia-pushkina [17]

Answer:

  • a. incorrect
  • A. equal to
  • 59.20 ÷ 10 = 5.920

Step-by-step explanation:

What Douglas doesn't seem to realize is that it is not the act of removing the trailing zero that gives division by 10. It is the act of moving the decimal point left one place that divides the number by 10.

8 0
3 years ago
When point E (-9, 3) is rotated 180� about the origin, its coordinate becomes (3, 9).
bearhunter [10]
The statement "<span>When point E (-9, 3) is rotated 180� about the origin, its coordinate becomes (3, 9)." is FALSE.

The answer should be (9,-3) because when a point is rotated 180 degrees about the origin, its coordinates change signs.

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
</span>
5 0
3 years ago
Help pleas, i’m fr lost
Serggg [28]

Answer:

x = 6°

Step-by-step explanation:

We know that all the interior angles of a triangle sum up to 180°.

(7x+3)°+(80°)+(55°) = 180°

(7x+3)°+(135°) = 180°

(7x+3)°= 45°

7x = 42°

x = 6°

8 0
4 years ago
A construction worker is building a rectangular wall that is 16 feet high and 23 feet longhe needs to leave space for a window t
irakobra [83]

Answer:

344 square feet

Step-by-step explanation:

Given:

Dimensions of the rectangular wall including the space for window are 16 feet by 23 feet.

Area of the window = 24 square feet.

Now, total area of the wall and window is equal to the area of the rectangular wall including the space for window. So,

Total area = Length × Height

Total area = 23 ft × 16 ft = 368 square feet

Also, total area is equal to the area of wall excluding the window plus the area of window. So,

Total area = Area of wall + Area of window

⇒ 368 = Area of wall + 24

⇒ Area of wall = 368 - 24

⇒ Area of wall = 344 square feet

Therefore, the area of the wall excluding the space for window is 344 square feet.

5 0
3 years ago
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