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Alona [7]
3 years ago
12

What is an equation that models the sequence 400, 200, 100, 50, ?

Mathematics
1 answer:
katrin [286]3 years ago
4 0
N / 2

400 / 2 = 200
200 / 2 = 100
100 / 2 = 50
50 / 2 = 25
25 / 2 = 12.5
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What is 2/28=7/8 cross multiplied
siniylev [52]

Answer:

see the explanation

Step-by-step explanation:

we have

\frac{2}{28}=\frac{7}{8}

we know that

To cross multiply, start by multiplying the numerator of the left-hand fraction by the denominator of the right-hand fraction.

2(8)

Then, multiply the numerator of the right-hand fraction by the denominator of the left-hand fraction.

7(28)

Next, set the 2 products equal to each other.

2(8)=7(28)

5 0
4 years ago
Please help me idk this
tatiyna

Answer:

2.25

Step-by-step explanation:

The question gives us one hint. That side of the square is 1.5"

Because it gives us that, we can use that to find the area. Because it is a square, all of the sides are the same length.

To find the area it is basexheight

So that is why the answer is 2.25 because 1.5x1.5=the area of the square

8 0
3 years ago
Read 2 more answers
The product of some negative number and 4 less than twice that number is 286 find the number
Naya [18.7K]
Let's say that number is hmmm "a"

now.. twice "a" is 2*a or 2a
4 less than that is " 2a - 4"

now, the product of those two fellows is 286, well ok

a( 2a - 4) = 286

thus    

\bf a(2a-4)=286\implies 2a^2-4a^2=286\implies a^2-2a^2=143
\\\\\\
a^2-2a^2-143=0\implies (a-13)(a+11)=0
\\\\\\
\begin{cases}
a-13=0\implies &a=13\\
a+11=0\implies &\boxed{a=-11}
\end{cases}
5 0
3 years ago
Hello can you please help me out on this question posted picture
Rom4ik [11]
The correct Option is (A) True

Explanation: Given polynomial:
x^2 + 5x + 6

To find the factors do following steps:

Step 1:
x^2 + 2x + 3x + 6

Step 2:
x(x + 2) + 3(x+2)

Step 3: Take the common out!
(x+2) (x+3) (True)


8 0
3 years ago
The difference of sixteen and four is greater than ten
garri49 [273]

16-4>10

Difference means subtracting

4 0
3 years ago
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