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kirill115 [55]
3 years ago
15

For what value of x is the rational expression below equal to zero?​

Mathematics
1 answer:
Alekssandra [29.7K]3 years ago
8 0

Answer:

x=4

Step-by-step explanation:

We want to find the the expression

(x-4)

------------------  = 0

(x+5) (x-1)

This occurs when the numerator is equal to zero

x-4 =0

Add 4 to each side

x-4+4 = 0+4

x = 4

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Bill is trying to plan a meal to meet specific nutritional goals. He wants to prepare a meal containing rice, tofu, and peanuts
Novay_Z [31]

Answer:

11.33 cups

Step-by-step explanation:

240 grams of carbohydrates: x

40 x + 4 x + 26 x = 240

X = 240/70

X = 3 3/7 cups

332 grams of fats = y

0y + 13y + 70y = 332

Y = 332/83

Y = 4 cups

207 grams of proteins = z

5z + 21z + 27z = 207

Z = 207/53

Z = 3 48/53 cups

3 3/7 + 4 + 3 48/53 = 11.33 cups

3 0
3 years ago
Chloe collected 4 times as many bags of cans as her friend. If her friend collected 1/6 of a bag , how much did Chloe collect?
lana66690 [7]
Since Chloe collected 4 times as much as her friend, who collected 1/6 a bag, you will have to multiply 4 by 1/6 to find how much Chloe collected.

To multiply fractions, you multiply the numerators and multiply the denominators. Then you put the product you got from multiplying the numerators over the product you got from multiplying the denominators. Remember that 4 is the same as 4/1. Simplify the product if needed.:
\frac{4}{1}  \times \frac{1}{6}  =  \frac{4}{6} =  \frac{2}{3}

Chloe collected 2/3 of a bag.
8 0
4 years ago
Can someone help me please and thank you
Kay [80]
Up, you add the number to the given equation; down, you subtract. To change the steepness, multiply x by the factor involved.

A) y = 3x -10

B) y = (1/2)x +4

C) y = x -1
6 0
4 years ago
If f(x) = 6x2+2, then what is the slope of f(x) at x = 4?
lesya [120]
6(4)^2 + 2
= 6(16) + 2
= 96 + 2
= 98
4 0
3 years ago
X<br> 5x – 3y = -20<br> 4x + 5y = -2
bazaltina [42]

Answer:

x=-106/37

y=70/37

Step-by-step explanation:

I chose to set up the problem as a matrix to solve here.

(Another way to do this would be to isolate one variable in one of the equations, substitute it into the other equation, solve for that, and then plug it back in to get the final variable.)

My work is in the attachment. Lmk if you have any questions.

6 0
4 years ago
Read 2 more answers
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