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Gemiola [76]
3 years ago
9

Consider the quadratic expression t^2+4t-77. Factor using the box method model.

Mathematics
1 answer:
AnnZ [28]3 years ago
4 0

Answer:

(t−7)(t+11)

Step-by-step explanation:

Let's factor t2+4t−77

t2+4t−77

The middle number is 4 and the last number is -77.

Factoring means we want something like

(t+_)(t+_)

Which numbers go in the blanks?

We need two numbers that...

Add together to get 4

Multiply together to get -77

Can you think of the two numbers?

Try -7 and 11:

-7+11 = 4

-7*11 = -77

Fill in the blanks in

(t+_)(t+_)

with -7 and 11 to get...

(t-7)(t+11)

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Savatey [412]

Answer:

2

Step-by-step explanation:

hope this helps

5 0
3 years ago
Help pls
grigory [225]

Answer:

A.(26)X =1

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26x/1=1/26

x = 1/26

Step-by-step explanation:

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3 years ago
Ella conducted a survey to find out the amount of time high schoolers spend surfing the Internet. From the data collected, the r
Afina-wow [57]

Answer:

the answer is C

Step-by-step explanation:

The answer is C.

Because we do not have any tables graphs etc., we can only use the fact that the range is 1

The definition of range is the difference between the largest amount and the smallest amount. In equation form, it should look like this:  

Now lets move to the answer choices:

Answer A. is wrong

If everyone surfed for exactly an hour, the largest amount of time would be 1 hour and the smallest amount of time would also be 1 hour. Put this into the equation and the range would be 0 which is contradicted from the data present

Answer B. is wrong because the range is not the average, the mean is the average. We are looking for the range, not the mean so Answer B. is incorrect.

Answer C. is correct. The range is the difference between the largest and the smallest. In this answer, it tells us that the range is the difference between the greatest amount of time and the least amount of time spent surfing the Internet is 1 hour. This follows the term of "Range" and therefore, Answer C. is correct.

Answer D. is incorrect because the range does not have anything to do with quotients.(By the way, a quotient is the result of dividing a dividend with a divisor.) The range is only obtainable with subtraction, not division, so answer D. is incorrect.

please mark as brainliest. l need it to be an ace. please give me if you like it.

5 0
3 years ago
Read 2 more answers
Which expression is equivalent to 5 (w + 4) when w = 9?
larisa [96]

Answer:

I think it's 5(9)+20

Step-by-step explanation:

5(9+4) can be expanded to get 5(9)+5(4). And 5(4)=20

4 0
3 years ago
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Your younger sibling runs up to you and excitedly exclaims, "I'm thinking of a number. If I add it to the number 2 ten times, th
erik [133]

Answer:

x = 0

Step-by-step explanation:

Given

Represent the number with x.

So:

2 + x + x + x + x + x + x  + x + x + x + x = 2

or

2 + 10x = 2

We want to solve for x

Subtract both sides by 2

2 - 2 + 10x = 2 - 2

10x = 0

Solve for x

x = \frac{0}{10}

x = 0

No other number aside 0, satisfy the property.

4 0
3 years ago
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