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Alja [10]
3 years ago
11

One integer is 5 less than another and their product is 84. Find the integers.

Mathematics
1 answer:
andrezito [222]3 years ago
5 0

The first integer is going to be x and the second one is going to be y.

We now turn the clues into equations:

x = y - 5

xy = 84

The substitution method:

(y - 5)y = 84

y^2 - 5y - 84 = 0

(y+7)(y-12) = 0

y = -7, 12.

If y = -7, then x = -12.

If y = 12, then x = 7

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Should not be rejected.

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3 years ago
11 th term of the following geometric sequence.<br> 10,50,250,1250
Natasha2012 [34]

Answer:

97,656,250

Step-by-step explanation:

The first term, a(1), is 10.  The next is 5 times greater.  And so on.  Thus, the common ratio is 5, and the general formula for this sequence is

a(n) = a(1)*5^(n -1).

Therefore,

a(11) = 10*5^(11 - 1) = 10*5^10  =  97,656,250

6 0
3 years ago
What is the width of heng’s area model??
nadya68 [22]

Answer:

2x + 1

Step-by-step explanation:

Well you can get side for the left shape is 2x

And the side for the right one is 1

Add them together: 2x + 1

3 0
3 years ago
I’ll fail if I don’t get this right pls help
son4ous [18]

Step-by-step explanation:

In order to find the number of solutions, we have to expand both sides out first.

3(x - 2) + 7x =  \frac{1}{2} (6x - 2)

First, expand 3(x-2), which will obtain 3x-6.

Next, expand (1/2)(6x-2), which gives 3x - 1.

The result at this point should be as shown below:

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

Now, we would shift all x terms to the left and all number terms to the right.

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

After simplifying, the final equation would be:

7x = 5

This is a linear equation and it has one solution.

x =  \frac{5}{7}

7 0
3 years ago
Read 2 more answers
How do I do this can someone help me
Anvisha [2.4K]

What kind of question is this ?

6 0
4 years ago
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