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levacccp [35]
3 years ago
6

8th grade math question need an answer asap

Mathematics
2 answers:
timama [110]3 years ago
7 0

im pretty positive its the 3rd one


julsineya [31]3 years ago
4 0

4.9 x 10^8 = 490,000,000

Hope that helps.

--------------------------------------

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A teacher gave a test with 50 questions, each worth the same number of points donovan got 39 out of 50 questions right Marci's s
IrinaK [193]
To figure this out, you have to figure out what Donovan scored.
Just divide his score (39 ÷ 50) and get 0.78.

Since we already knew this, we can figure out Marci's score. Since she score 88%, we can assume she scored somewhere in the 40's.
Once you figure out what her score was out of 50, divide it.

Your equation should look like this: 44 ÷ 50 = 0.88

This means that Marci answered 44 questions out of 50 questions correctly. (44/50)
3 0
4 years ago
How do I do this, it is for geometry (ignore the answer it was a guess) thank you so much.
Evgesh-ka [11]

Answer:

AC is about 41. 095 miles long.

Step-by-step explanation:

You can use the Law of Cosines to solve this: c^2 = a^2 + b^2 – 2ab cos(C)

Substitute in your values, and you're good to go!

c^2=16^2+28^2-2(16)(28)(cos(117))

c^2 = 256 + 784 - 896(cos(117))

c = sqrt(1040 - 896(cos(117)))

c is about 41. 095 miles long.

4 0
3 years ago
Read 2 more answers
miranda says 30×26 is greater than 20×36.is she correct?draw a model to explain if miranda is correct.
Lana71 [14]

Answer:

Yes, Miranda is correct.

Step-by-step explanation:

30*26=780

20*36=720


Simply draw anything to depict that 30*26 is more than 2o*26.

5 0
3 years ago
Todd drives 60mph. How long will it take him to go 300 miles?
uysha [10]
The correct answer is 5 hours. Because 300 divided by 60 is 5
3 0
4 years ago
Solve 2(4 x + 3) < 5 x + 21. { x | x < 9} { x | x > -5} { x | x > -9} { x | x < 5}
Nesterboy [21]

Answer:

x <5

Step-by-step explanation:

2(4 x + 3) < 5 x + 21

Distribute

8x +6 < 5x +21

Subtract 5x from each side

8x -5x +6 < 5x-5x+21

3x +6 < 21

Subtract 6 from each side

3x+6-6 <21-6

3x <15

Divide each side by 3

3x/3 <15/3

x <5

5 0
3 years ago
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