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torisob [31]
2 years ago
12

Choose all the statements about the diagram that are true.

Mathematics
1 answer:
antoniya [11.8K]2 years ago
3 0

<u>Answer:</u>

  • Option A - True
  • Option B - True
  • Option C - False
  • Option D - False

<u>Explanation:</u>

  • Option A is true because if we add ∠4 and ∠6 together, we will get a straight line, which is 180°.
  • Option B is true because the angles stated are in the parallel lines and are supplementary.
  • Option C is false because they are not supplementary angles. Instead, they are equal due to alternate interior angles.
  • Option D is false because they are not supplementary angles.

Hence, <u>we can conclude that Option A and B are correct.</u>

Hoped this helped.

BrainiacUser1357

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topjm [15]

Answer: the current of the river is 3 mph.

Step-by-step explanation:

Let x represent the current of the river.

The boat travels 2.4 miles downstream. Assuming it travelled with the current of the river. If the boat travels at an average speed of 21 miles per hour in the still water, it means that the total speed at which the boat travelled downstream is

(21 + x) mph

Time = distance/speed

Time taken to travel downstream is

2.4/(21 + x)

it travels 1.8 miles upstream. Assuming it travelled against the current of the river. it means that the total speed at which the boat travelled upstream is

(21 - x) mph

Time taken to travel upstream is

1.8/(21 - x)

Since the time taken to travel upstream and downstream is the same, then

2.4/(21 + x) = 1.8/(21 - x)

Cross multiplying, it becomes

2.4(21 - x) = 1.8(21 + x)

50.4 - 2.4x = 37.8 + 1.8x

2.4x + 1.8x = 50.4 - 37.8

4.2x = 12.6

x = 12.6/4.2

x = 3 mph

7 0
3 years ago
Read 2 more answers
I’m confused wit this worksheet
m_a_m_a [10]

Okay so you see those dots located in the fist question right? locate the coordinates ( 1, 2)

Now that you have located them, look at what the question asks

"move 3 units left and 7 units up" and what you do is move vertices ( 1,2) (aka the dot) 3 units left and move it up 7 times.

And now your new location for (1,2) should be (-2,5) because you moved the (1,2) dot 3 units to the left and 7 units up.

( now do the same for the rest of the other dots)

8 0
3 years ago
Dhruv is 24 years older than Sanjay.10 years back Dhruv’s age was five times the age of Sanjay. Find their ages.
PolarNik [594]
5x-10=24. X=24+10/5 =6.8 Sanjay age =6.8 Dhruv age, X/5 =6.8=34 Dhruv age = 34
4 0
3 years ago
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When an article was sold for #14
posledela

Answer:

45.7%

Step-by-step explanation:

16/14*40%=45.7%

5 0
3 years ago
A cereal box is 9 1 2 inches long, 5 1 2 inches wide, and 12 inches high. What is the volume of the box?
lara31 [8.8K]

Answer

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Step by step explanation:

Hey! Rmemeber length x width x height!

Multiply: 9 1 2 x 5 1 2 x 12

Answer= 5603328

And thats it! If it is wrong you must have put the wrong numbers in, I dont get why their spaces though....

Have a good day!!

6 0
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