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Jlenok [28]
2 years ago
13

Question 1

Mathematics
1 answer:
ad-work [718]2 years ago
3 0
The answer is 5680 :) thank me later
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Please help me sole this equation !!
tester [92]
(9x-15)/4=x /*4...... 9x-15=4x........ 5x=15........ x=3
6 0
3 years ago
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What is the area of this parallelogram? PLEASE HELP
zimovet [89]

Answer:

B

Step-by-step explanation:

the area of a parallelogram is the length of one of the sides multiplied with the length of the height on this side.

so, in this case it is

4×5 = 20 cm²

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2 years ago
Which equation could be used to solve problems involving the relationships between the angles?
Salsk061 [2.6K]

Answer:

B

Step-by-step explanation:

The answer is B I just had this question

8 0
3 years ago
Let a is in {−3, −1, 0}. Evaluate −a for each element of the set.
12345 [234]
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7 0
3 years ago
The diagram shows a track composed with a semicircle on each end. The area of the rectangle is 8,400 square meters. What is the
MrRa [10]

Answer:

468.4 meters

Step-by-step explanation:

Find the width of the rectangle.

The area of a rectangle is A=length*width. Substitute the values of length and area and solve for width.

A=length*width

8,400=140*width

60= width

Use the width of the rectangle to find the circumference of the semicircles. Since each semicircle is half of a​ circle, the perimeter of the two semicircles is equal to the circumference of one circle.

The circumference of a circle is equal to pi​d, where d is the diameter. The diameter of the semicircle is the same as  the width of the rectangle.

​So, the diameter is 60 meters. Substitute the diameter into the formula for the circumference and simplify using 3.14 for pi.

≈188.4

(2 times 140)+ 188.4

​So, the perimeter of the track is 468.4 meters.

7 0
3 years ago
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