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Greeley [361]
2 years ago
6

The solution to 4.2x = 19.32 is x = ___. 0.28 0.45 4.6 15.12

Mathematics
2 answers:
AVprozaik [17]2 years ago
8 0
The solution to this equation is x=4.6 because 19.32/4.2=4.6
egoroff_w [7]2 years ago
5 0

i agree with Flibety's answer: " the solution to this equation is x=4.6 because 19.32/4.2=4.6 "

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Please Help Me!!!!!! I have a big test tomorrow!!!!!!!! I will give 30 points!!!!!!!!! The expression represents the number of m
il63 [147K]

Answer:

For this expression I guessed I would use subtraction because when you subtract Kimiko's miles to Celeste's miles you could see how much faster Kimiko was than Celeste.

Step-by-step explanation:

4 0
2 years ago
The Turtle and Achilles compete. They start at the same time from the same place. Achilles runs at a speed of 13 mph while the T
spayn [35]

Answer:

The competition took 12.5 minutes.

Step-by-step explanation:

Let the time taken by Achilles to complete the competition is h hours.

Now, Achilles runs at a speed of 13 mph while the Turtle moves at a speed of 1 mph.

So, the competition was 13h miles long.

Now, Turtle will take h hours to complete h miles of the competition.

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Therefore, the competition took 12.5 minutes. (Answer)

3 0
3 years ago
in a parking lot there are motocycles and cars. you count 98 wheels, and your friend counts 30 vehicles. how many cars are there
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There are 22 card and 8 motorcycles
6 0
2 years ago
Given: △ABC, m∠A=60°
kakasveta [241]

Answer:

perimeter = 28.68 cm

area = 15.48 cm^2

Step-by-step explanation:

1. complete the angles in the triangle. sum of all the angles in a triangle is 180 degrees.

therefore 180 - (60 +45) = 75

angle at B is 75 degrees

2. find the sides of the triangle using the sine formula for triangle

sin A/a = sin B/b = sin C/c

we have the angle at C and the side opposite C is also give, we can use that with any other

3. sin A/a = sin C/c

sin 60/a = sin 45/8

make a subject

a = 9.78 cm

4. sin A/a = sin B/b

sin 60/9.78 = sin 75/b

make b subject

b = 10.90 cm

with the three sides, we know that perimeter is the length around an object

adding all the lengths together will give the perimeter

perimeter = 10.90 + 8 + 9.78

= 28.68 cm

5. to find the area we need to find the high of the triangle since the expression for the area of a triangle is area =\frac{1}{2} bh

6. bisecting the side BC will give have as 4.89 cm

7. using Pythagoras theorem we can find the height of the traingle

c^2 = a^2 + b^2

8^2=(4.89)^2 + b^2

64 - 23.9121 = b^2

b= \sqrt{40.0879}

b =6.33 cm

insert this into the formula above will give the value for area

which is 15.48 cm^2

area = 1/2 (4.89)(6.33)

7 0
3 years ago
Need help with some questions please
iVinArrow [24]
This is the answer I think

4 0
3 years ago
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