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seraphim [82]
2 years ago
5

Which are the solutions of x2 = -13x – 4?

Mathematics
1 answer:
dezoksy [38]2 years ago
7 0

Answer:

x=3.75

Step-by-step explanation:

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Brad says that if a second number is 125% of the first number than the second number must be 75% of the second number is he corr
elena-s [515]

Answer:

Incorrect.

Step-by-step explanation:

Let, the first number is x, and the second number is y. Given, the second number is 125% of the first number. So, the equation will be

y = 1.25 x

Or, y= 5/4x

Now, multiplying it with 4/5, we get, x= 4/5y

Or, x= 0.80 y

But, Brad is saying the first number must be 75% of the second number. But here we see that the first number is 80% of the second number. That's why Brad is incorrect.

5 0
2 years ago
Which is more 4,2227 milligrams or 4 grams
Harlamova29_29 [7]

Answer:

42,227miligrams is 42 grams approximatly way larger than tge 4 grams

Step-by-step explanation: google the question if not then set it up as 42,227 over 1 times 1 over 1000 to convet miligrams to grams

8 0
2 years ago
A store is selling a shirt for 1/4 off the original price of 28. what is the sale price of the shirt
Sedaia [141]
1/4 off means 0.25 * 28
7
Sale price = 28-7
= 21
3 0
3 years ago
Solve in 5 + in 2x = 3
faltersainse [42]

\ln5+\ln 2x=3\\\\\ln10x=3\\\\e^3=10x\\\\x=\dfrac{e^3}{10}

3 0
3 years ago
Brandon buys a radio for $44.57 in a state where the sales tax is 7%.
grigory [225]

Answer:

$3.12

Step-by-step explanation:

44.57 x 0.07 = 3.12

8 0
3 years ago
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