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dybincka [34]
1 year ago
14

F(x) =4x2 + 8x -5 factor completely

Mathematics
1 answer:
Burka [1]1 year ago
8 0

The factors of 4x^2 +8x-5 are (2x-1) and (2x+5)

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345mi +3hr+ 15 mph the slowest car traveled
Ksju [112]

Answer:

15mph

Step-by-step explanation:

it is going slow

7 0
3 years ago
Samantha sends her son, Barry, to a preschool center on certain days. The cost of preschool is $45 per day along with a fixed mo
MAXImum [283]

Answer:

<h3><em>D. 880 = 45d + 70; 18 days.</em></h3>

Step-by-step explanation:

We are given fixed monthly charge = $70.

The cost of preschool per day = $45.

Number of days = d.

Total cost of d days = cost per day × number of days + fixed monthly charge.

Therefore, we get equation

880 = 45×d+70

<h3>880 = 45d +70.</h3>

Now, we need to solve the equation for d.

Subtracting 70 from both sides, we get

880-70 = 45d +70-70

810=45d

Dividing both sides by 45, we get

\frac{810}{45} =\frac{45d}{45}

18=d.

Therefore,<em> 18 days Barry attended preschool last month.</em>

<em>Therefore, correct option is D option.</em>

<h3><em>D. 880 = 45d + 70; 18 days.</em></h3>
4 0
2 years ago
What's the next number? 5, 3, 2, 6, 7, 9, 1, 15, 4, 2, 3, 3, 9, 5, 1, (?)​
tino4ka555 [31]

Answer:

Maybe 7?

Sorry if it incorrect

3 0
2 years ago
Read 2 more answers
In a survey, 30% of those questioned chose autumn as their favorite season. If 27 people chose autumn, then how many people were
makkiz [27]
90 people!

27/90=0.3

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Hope that helped! :)
3 0
3 years ago
Read 2 more answers
Simplify completely: 8x+4/x^3+23÷4x^2-10x-6/9-x^2
Helen [10]

Answer:

The simplified form is: -x^2-2x+\frac{4}{x^3}+\frac{23}{4x^2}-\frac{2}{3}

Step-by-step explanation:

To simplify the expression given we, need to open the brackets, and if there is power term. Then we need to group all the like terms and then arrange in the descending order of powers of the given expression.

Now the expression that is given to us is:

8x+\frac{4}{x^3}+\frac{23}{4x^2}-10x-\frac{6}{9}-x^2

Here we will simplify it by grouping the like terms, as follows:

8x+\frac{4}{x^3}+\frac{23}{4x^2}-10x-\frac{6}{9}-x^2\\=-x^2+8x-10x+\frac{4}{x^3}+\frac{23}{4x^2}-\frac{6}{9}=-x^2-2x+\frac{4}{x^3}+\frac{23}{4x^2}-\frac{2}{3}

So this is the required simplified form.

7 0
2 years ago
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