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3 years ago

What is the answer to 29b to the 2power+23b to the 2power -b to the 2power -8b to the 2power + 47 b =

Mathematics

1 answer:

algol [13]3 years ago

7 0

Answer:

43b yo the second power+47b

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Fay has a lemonade stand. She spends £35 on ingredients. She sells each glass of lemonade for £2.10. If she sells 50 glasses of

Zarrin [17]

Answer:

£70.00

Step-by-step explanation:

You basically want to find what she spent in total, then subtract the amount she spent on ingredients.

50 glasses of lemonade at £2.10 each would be £105. (50*2.1)

Subtract the cost of ingredients, which is £35, with the total she made, £105, to get £70 (105-35)

6 0

3 years ago

A $310 suit is marked down by 20%. Find the sale price.

loris [4]

Answer:

the answer is 62!

Step-by-step explanation:

multiply

5 0

2 years ago

Read 2 more answers

Evaluate 6+2•3-1 A) 23 B)16 C)10 D)11

Ratling [72]

6 + 2 * 3 - 1

2 * 3 = 6

6 + 6 - 1

6 + 6 = 12

12 - 1 = 11

D) 11

7 0

3 years ago

Read 2 more answers

X+3menor que 8 qual o resultado

elixir [45]

x+3<8

8-3 =5

X<5

any number less than 5 will work

7 0

3 years ago

For fun question

ZanzabumX [31]

Consider the function $f(x)=x^{1/3}$ , which has derivative $f'(x)=\dfrac13x^{-2/3}$ .

The linear approximation of $f(x)$ for some value $x$ within a neighborhood of $x=c$ is given by

$f(x)\approx f'(c)(x-c)+f(c)$

Let $c=64$ . Then $(63.97)^{1/3}$ can be estimated to be

$f(63.97)\approxf'(64)(63.97-64)+f(64)$
$\sqrt[3]{63.97}\approx4-\dfrac{0.03}{48}=3.999375$

Since $f'(x)>0$ for $x>0$ , it follows that $f(x)$ must be strictly increasing over that part of its domain, which means the linear approximation lies strictly above the function $f(x)$ . This means the estimated value is an overestimation.

Indeed, the actual value is closer to the number 3.999374902...

4 0

3 years ago