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prohojiy [21]
3 years ago
11

Based on a sample survey, a principal claims that 7 out of 10 students like math. If there are 1300 students, how many would you

predict do NOT like math?
Mathematics
1 answer:
horsena [70]3 years ago
5 0

Answer:

390

Step-by-step explanation:

find the fraction of those that don't like math

10/10 - 7/10= 3/10

then do 3/10 x 1300 to get 390

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3 years ago
Use the Factor Theorem to determine whether x + 1 is a factor of P(x) = 2x³+4x²–2x−8.
Harman [31]

Answer: 2x^2+2x-4-\frac{4}{x+1}

Not a factor because there is a remainder.

Step-by-step explanation:

Let's use synthetic division to solve this..

-1  ║ 2 | 4 | -2 | -8

   ║    | -2| -2 |  4

   ║ 2 | 2|  -4 |  -4

2x^2+2x-4-\frac{4}{x+1}

PS: if anyone knows a better way to do a synthetic division chart please let me know.

5 0
1 year ago
Two fractions one positive one negative whose product is 5/8
Ray Of Light [21]

-10/8 and + 15/8. Those should work.

3 0
3 years ago
Escribe una expresión algebraica para la palabra frase: el producto de 636 y un número w
diamong [38]

Answer:

636w

Step-by-step explanation:

producto = ×

636 \times w\\\\= 636w

5 0
3 years ago
A carnival charges $6 for admission and $2.50 per ride. You have $50 to spend at the carnival. Which of the following inequaliti
Firdavs [7]

Answer:

6+2.5r\leq 50

Step-by-step explanation:

Hi!

The options regarding the inequalities are not listed, though we can still proceed to write the inequality.

From the problem statement you cannot spend more than $50

and you are charged admission fee of $6 flat

a ride cost $2.50 per ride

the number of rides is given as r

yet in all you must not go beyond your limit

Therefore the inequalities can be presented as

6+2.5r\leq 50

4 0
3 years ago
Read 2 more answers
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