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3 years ago

Plot the value(s) on the number line where this function is equal to zero: f(x) = (x + 5)(x − 1).

Mathematics

1 answer:

Nadya [2.5K]3 years ago

8 0

Answer:

2x^2

Step-by-step explanation:

Plot the value(s) on the number line where this function is equal to zero: f(x) = (x + 5)(x − 1). you multiply by each side to get your answer

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Lina has a total of 72 blue and red marbles in a box. The probability of choosing a blue marble at random from the box is 4/9

blsea [12.9K]

Answer:

Step-by-step explanation:

probability of getting blue ball is 4/9

total cases = 72

i.e number of blue ball 32

number of red vall is 40

so extra 28 is added

3 0

4 years ago

You ride your bike at 9 miles per hour. To find how long it will take you to ride 26 miles, you solve the equation 9 • t = 26. W

Nikolay [14]

Answer:

The amount of time it takes to ride 26 miles is 2.89 hours.

Step-by-step explanation:

Given : You ride your bike at 9 miles per hour.

To find : How long it will take you to ride 26 miles ?

Solution :

The equation given is $9\times t=26$

Using distance formula,

$\text{Distance}=\text{Speed}\times \text{Time}$

According to formula t represent the time taken to cover the distance.

Your speed in miles per hour is 9 miles per hour.

The number of miles you've traveled so far is 26 miles.

Solving the equation,

$9\times t=26$

$t=\frac{26}{9}$

$t=2.89$ hours

The amount of time it takes to ride 26 miles is 2.89 hours.

7 0

4 years ago

Please help me with this math

IrinaVladis [17]

Answer:

C. 2144

Step-by-step explanation:

I searched it up

3 0

3 years ago

Read 2 more answers

6-7(x+1)= -3(2-x)<br> How do you solve this?

kicyunya [14]

<h3><u>Explanation</u></h3>

Given the equation.

$6 - 7(x + 1) = - 3(2 - x)$

Distribute/Simplify

$6 - 7x - 7 = - 6 + 3x \\ - 1 - 7x = - 6 + 3x$

Solve the equation for x-term by making x as the subject.

$- 1 + 6 = 7x + 3x \\ 5 = 10x \\ \frac{5}{10} = x \\ \frac{1}{2} = x$

Answer Check by substituting the value of x in the equation.

$6 - 7( \frac{1}{2} ) - 7 = - 6 + 3( \frac{1}{2} ) \\ 6 - \frac{7}{2} - 7 = - 6 + \frac{3}{2} \Longrightarrow \sf{You \: \: can \: \: change \: \: sides \: \: to \: \: make \: \: it \: \: easier} \\ 6 - 7 + 6 = \frac{7}{2} + \frac{3}{2} \\ 5 = \frac{10}{2} \\ 5 = 5 \: \green{ \checkmark}$