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Elden [556K]
2 years ago
10

Factor the expression below.

Mathematics
1 answer:
masya89 [10]2 years ago
7 0
The answer should be B
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Please answer the question, I think I have the answer but I'm not sure.
Georgia [21]

Answer:

20cm

Step-by-step explanation:

Frame L&W: 25×20

PictureL&W:20×16

25-20=5

Length of Picture frame=5

Length of Picture frame=4

5×4=20cm²

To find area you multiply length by width

8 0
2 years ago
What is the value of x if <br> 4x - 9 = 11?<br> A. 1/2<br> B.2<br> C.5<br> D.20
Maru [420]

Answer:

C

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Write an expression for this one <br> the sum of an odd integer and the next odd integer.
Sidana [21]
Let x is the odd integer
x +2 is the next odd integer
so sum of an odd integer and the next odd integer:
x + (x+2) 
8 0
3 years ago
A house wife forgot her bank'Atm pin'which is a four digit number,but luckily she remembered some hints on how to recall this 'p
Liono4ka [1.6K]

Answer:

4829

Step-by-step explanation:

If the first digit is half of the second, that means the second is 2 times the first

So let's solve this algebraically...

The first digit could be called <em>a</em>

The second digit would have to be 2 times a (2a)

We can call the 3rd digit b

Since the sum of the second and third digit is 10, the equation would be this..

2x + b = 10, which is the same as b = 10 - 2x

The fourth digit is this equation

2x + 1

So the four digits are...

x, 2x, 10-2x, 2x+1

They are all equal to 23, which means...

x + 2x + 10-2x + 2x +1 = 23

After simplifying...

3x + 11 = 23

3x = 23 - 11

Which means...

3x = 12, x = 4

After you plug all that back into the prior equation you should get

first digit = 4 second digit = 8 third digit = 2 fourth digit = 9

Thank me later :)

(or just mark brainliest)

6 0
3 years ago
The equation of a line is y = 4x + 15. what is the y-intercept of the line.
Stels [109]

Answer:

15

Step-by-step explanation:

y = 4x + 15 \\ equating \: it \: with \\ y = mx + b \\ we \: find \\ b = 15 \\  \implies \: y - intercept = 15

4 0
3 years ago
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