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3 years ago

Choose the correct written expression for: 25 – (3 x 4).

Mathematics

2 answers:

netineya [11]3 years ago

8 0

Answer:

Step-by-step explanation:

Andrew [12]3 years ago

3 0

Answer:

=13

Step-by-step explanation:

25 –(3 x 4)=13

simple math

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Find the 90 th derivative of the function ƒ(x)=cos(x)

Inessa [10]

F(x) = cos x
f'(x) = -sin x
f''(x) = -cos x
f'''(x) = sin x
f''''(x) = cos x

90/4 = 22 Remainder 2
Therefore, 90th derivative of f(x) = cos x is -cos x.

5 0

3 years ago

Over a four-week period, Gail earned the following commissions: Week 1 $250.00 Week 2 310.00 Week 3 275.00 Week 4 195.00 What wa

s2008m [1.1K]

To find the average: the sum of the values/number of values
=250+310+275+195/4
=257.5

8 0

3 years ago

Help due by 11 it 10 :55

belka [17]

Answer: 0.11

Step-by-step explanation: (2/3) / 6 = 0.11

4 0

3 years ago

Read 2 more answers

A group of friends wants to go to the amusement

Zepler [3.9K]

Answer:

The maximum amount of people that can go to the amusement park is 15.

Step-by-step explanation:

First you create an equation to represent the question

8.75+25.75x≤420

You put the less than or equal to sign because 420 is the maximum amount of money.

Now you just solve the equation.

25.75x≤420-8.75

25.75x≤411.25

x≤411.25/25.75

x≤15.9708738

Then you have to round down because you cant have .9 of a person.

So x≤15

Then, Check your solution

8.75+(25.75 x 15)≤420

8.75+386.25≤420

395≤420

That is true. But to make sure that is the maximum add another 25.75

395+25.75≤420

420.75≤420

This is equation is false so, our answer is correct.

The maximum amount of people that can go to the amusement park is 15.

5 0

2 years ago

What values of a and b make the equation true? sqrt(648)=sqrt(2^a•3^b)

Anuta_ua [19.1K]

ANSWER

The value of a and b are:

$a=3,b=4$

EXPLANATION

The expression given to us is

$\sqrt{648} = \sqrt{ {2}^{a} \times {3}^{b} }$

We square both sides of the equation to obtain

$648= {2}^{a} \times {3}^{b}$

We now find the prime factorization of 648 to obtain,

${2}^{3} \times {3}^{4} = {2}^{a} \times {3}^{b}$

We now compare the exponents on both sides of the equation to obtain,

$a=3,b=4$

Therefore the correct option is C

3 0

3 years ago