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3 years ago

Anyone mind helping!?

Mathematics

1 answer:

kondaur [170]3 years ago

5 0

Answer:

50h(5h-2)

Step-by-step explanation:

Factor out 50h from the expression

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How would i find the volume ?

____ [38]

Answer:

4900

Step-by-step explanation:

You multiply lengthxwidthxheight, all the given dimensions to get (25x14x14) 4900

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2 years ago

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3 years ago

If the cost of 10 pens is rupees 144.40, then find the cost of 7 pens

VikaD [51]

Answer: 101.08

Step-by-step explanation:

10 pens cost 144.40

1 pen will cost 144.40 /10

7 pens will therefore cost 144.40 / 10 x 7

= 101.08

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3 years ago

find the value of "a" and "b" for which the limit exists both as x approaches 1 and as x approaches 2:

lbvjy [14]

Answer:

a = 4

b = -2

Step-by-step explanation:

If the given function is continuous at x = 1

$\lim_{x \to 1^{-}} f(x)=(x+1)$

$=2$

$\lim_{x \to 1^{+}} f(x)=ax+b$

$=a+b$

$\lim_{x \to 1} f(x)=ax+b$

$=a+b$

And for the continuity of the function at x = 1,

$\lim_{x \to 1^{-}} f(x)=\lim_{x \to 1^{+}} f(x)=\lim_{x \to 1} f(x)$

Therefore, (a + b) = 2 -------(1)

If the function 'f' is continuous at x = 2,

$\lim_{x \to 2^{-}} f(x)=ax+b$

$=2a+b$

$\lim_{x \to 2^{+}} f(x)=3x$

$=6$

$\lim_{x \to 2} f(x)=3x$

$=6$

Therefore, $\lim_{x \to 2^{-}} f(x)=\lim_{x \to 2^{+}} f(x)=\lim_{x \to 2} f(x)$

2a + b = 6 -----(2)

Subtract equation (1) from (2),

(2a + b) - (a + b) = 6 - 2

a = 4

From equation (1),

4 + b = 2

b = -2

3 0

3 years ago

What is the value of f(−1) when f(x)=2x+2 ?

Andreyy89

X=-3/2. The value of f(-1). All you do is plug the numbers In.

6 0

4 years ago

Read 2 more answers