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2 years ago

9

When dividing 878 by 31 a student finds a quotient of 28 with a remainder of 11 check the students work and use the check to fin

d the error in the solution

1 answer:

sveticcg [70]2 years ago

7 0

878 ÷ 31 = 28 with a remainder of 10

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A quadratic equation of the from 0=ax2+bx +c has discriminated value of -16 .how many real number solutions does the equation ha

drek231 [11]

+ discriminant => 2 real, unequal roots
0 discriminant => 2 real, equal roots
- discriminant => 2 imaginary or complex roots which are conjugates

Here the discriminant is -16. How many real number solutions does this equation have? Think before you make your choice!

3 0

3 years ago

Part A: Solve –vp + 30 < 45 for p. Show your work.

Butoxors [25]

Part A: subtract 30 from both sides to get -vp<45. Then divide both sides by -v and flip the signs to get p>45/-v

Part B: subtract 3w from both sides to get -6r=30. Then divide -6 by both sides to get 3w/-6-5=r

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3 years ago

Compete in the Bottle Flip Challenge 3 times. Each time, you will have 1 minute to “cap” the water bottle as many times as possi

Debora [2.8K]

Dududyxydyx566643335677

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2 years ago

Find the simplified product:<img src="https://tex.z-dn.net/?f=%5Csqrt%7B2x%5E%7B3%7D%20%7D-%5Csqrt%7B18x%5E%7B5%7D%20%7D" id="Te

mash [69]

Correct Question: Find the simplified product: $\sqrt{2x^3}*\sqrt{18x^5}$

Answer:

$6x^4$

Step-by-step explanation:

Based on the rules of radicals, since $\sqrt{2x^3}$ and $\sqrt{18x^5}$ has the same index (square root), therefore:

$\sqrt{2x^3}*\sqrt{18x^5} = \sqrt{2x^3 * 18x^5}$

To simplify this, multiply their bases together, and add their exponents.

$= \sqrt{2*18x^{3+5}$

$= \sqrt{36x^{8}$

Simplify further

$= \sqrt{36}*\sqrt{x^8}$

$= \sqrt{6*6}*\sqrt{x^4*x^4}$

$= 6x^4$

7 0

2 years ago

a woman spent two thirds of her money. she lost two thirds of the remiander and then had $4(aus money) left. how much money did

antiseptic1488 [7]

Step-by-step explanation:

2/3 lost is 1/3 kept

2/3 of the 1/3 kept is 2/9 lost

1/3 x - 2/9 x = 4

3/9 x - 2/9 x = 4

1/9 x = 4

x = 36

First she lost 2/3 of 36, which is 24. She had 12 left. Then she lost 2/3 of 12 which is 8. She had 4 left.

8 0

2 years ago