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3 years ago

A stretch by a factor of 2 for the exponential growth function f(x)= a(9/4)^x occurs when a=????

2 answers:

3 0

Its A
<span>A stretch by a factor of 2 for the exponential growth function f(x)= a(9/4)^x occurs when a=????
A.1/2</span>

SpyIntel [72]3 years ago

3 0

The correct answer is going to be A. Hoped this helped. (:

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Sales rise from £400 a week to £504 a week. Calculate a percentage increase

soldier1979 [14.2K]

Step-by-step explanation:

previous =£400

present=£504

percentage=(£504-£400)/£504*100

=104/£504*100

=20.63%

3 0

3 years ago

Online sales result in 35% of sales being returned to their local brick-and-mortar store. what is 35% of 2,000 purchases?

Reika [66]

Answer:

Step-by-step explanation:

5 0

3 years ago

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Given the following triangle, if c = sqrt 5 and a = 2, find the measure of B to the nearest degree.

matrenka [14]

The measure of B will be given by:
cos θ= adjacent/hypotenuse
θ=B
adjacent=a=2
hypotenuse=c=√5
thus;
cos B=2/√5
thus
B=arccos 2/√5
B=26.565°~26°

6 0

3 years ago

Read 2 more answers

A theater has 22 rows of seats. The first row has 18 seats, the second row has 20 seats, the third row has 22 seats, and so o

morpeh [17]

Answer:

1078

Step-by-step explanation:

Total no of rows (n) = 22

Since, 18, 20, 22 ..... forms an arithmetic sequence with first term (a) = 18 and common difference (d) = 2.

We need to find: Total no of seats in the theatre $(S_{22}).$

Formula to be used:

$S_{n}= \frac{n}{2}\bigg[2a+(n-1)d\bigg]$

Plug the values of a, d and n in the above formula, we find:

$\implies S_{22}= \frac{22}{2}\bigg[2(28)+(22-1)(2)\bigg]$

$\implies S_{22}=11[56+(21)(2)]$

$\implies S_{22}=11[56+42]$

$\implies S_{22}=11[98]$

$\implies S_{22}=1078$

Thus, there are total 1078 seats in the theatre.

3 0

2 years ago

Veronika [31]

Answer:

40 cents.

Step-by-step explanation:

If he has enough money to buy 6 markers ate $3 for 6 then he must have 30/6 * 3

= $15.

So 30 pencils cost 15 - 3 = $12.

Each pencil costs 12/30

= $0.4

= 40 cents.

4 0

3 years ago