3 years ago

What is 345 times 276

Mathematics

2 answers:

andreev551 [17]3 years ago

7 0

345 times 276 = 95220

joja [24]3 years ago

4 0

Calculator said 95220

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The sum of two numbers is 40 and their difference is 6.5 what is their product

Klio2033 [76]

Let x = first number, and y = second number.
x + y = 40 (1)
x - y = 6.5 (2)

Rearrange (2)
y = x - 6.5 (3)

Sub (3) in (1)
x + (x - 6.5) = 40
2x - 6.5 = 40
2x = 33.5
x = 16.75 (4)

Sub (4) in (1)
16.75 + y =40
y = 23.25

x * y = 16.75 * 13.25 = 221.9375

The product is 221.9375

3 0

3 years ago

What is the range for the following function? y=1/(x+2)+3

LUCKY_DIMON [66]

Answer:

$\large \boxed{\text{C) }\{y: y \in \mathbb{R}, y \ne 3\} }$

Step-by-step explanation:

The range is the spread of the y-values (minimum to maximum distance travelled).

The graph of your function is a hyperbola shifted two units left and three units up from the origin.

There is a vertical asymptote at x = -2, so y does not exist when x = -2. However,

$\displaystyle \lim_{x \rightarrow -{2}^{+}}f(x) = \lim_{x \rightarrow -{2}^{+}}\left (\dfrac{1}{x+2}+3 \right ) = 0 + 3 = 3\\\\\lim_{x \rightarrow -{2}^{-}}f(x) = \lim_{x \rightarrow -{2}^{-}}\left (\dfrac{1}{x+2}+3 \right ) = 0 + 3 = 3$