3 years ago

The sum of two numbers is 128. Their difference is 114. Find the numbers

Mathematics

1 answer:

gregori [183]3 years ago

8 0

Answer:

14?

Step-by-step explanation:

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F(1) = - 4

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1 . The ratio of 3 1/3 to 2 1/4 is equal to the ratio of? <br>

Nikitich [7]

Answer:

40 : 27

Step-by-step explanation:

$3\frac{1}{3} : 2\frac{1}{4}$

Turn into improper fractions:
$\frac{10}{3} : \frac{9}{4}$

Make them integers by multiplying them by 12:
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2 years ago

Please help with 1 and 2

ZanzabumX [31]

Answer:

1. B. a=14, b=2

2. D. a=1, b=1.4

Step-by-step explanation:

The exponential growth function can be represented as

$y=a\cdot b^x,$

where b is the growth factor.

1. When the function has equation

$g(x)=14\cdot 2^x,$

then

$a=14,\\ \\b=2$

The initial amount is the value of the function at x=0:

$g(0)=14\cdot 2^0=14\cdot 1=14$

The growth factor is b=2

2. When the function has equation

$f(t)=1.4^t,$

then

$a=1,\\ \\b=1.4$

The initial amount is the value of the function at t=0:

$f(0)=1.4^0=1$

The growth factor is b=1.4

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3 years ago

Wendy did a survey of four bird parks and wrote the following observations: bird park survey park number of blue birds total num

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23/96 = 24%
41/72 = 57%
40/78 = 51%
24/62 = 39%

park b has the greatest percentage with 41 blue birds out of 72 birds which equals 57%

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