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Tcecarenko [31]
3 years ago
6

HELP PLEASE WITH PART A AND B!!!!!

Mathematics
1 answer:
Elden [556K]3 years ago
8 0
<h2>a. Answer:</h2>

For this question we'll use the following method:

1. Let's subtract old value from new value

185$-160$ = -25$

The negative value implies that the price has decreased

2. Divide the result by the old value

25$/185$ = 0,1351

3. Convert this value to percentage:

0,1351 x 100 = 13,51%

Finally, by rounding to the nearest tenth:

13,5%

That means 13,5% decrease

<h2 /><h2>b. Answer:</h2>

1. Let's subtract old value from new value

77$-56$ = 21$

The positive value implies that the price has increased

2. Divide the result by the old value

21$/77$ = 0,2727

3. Convert this value to percentage:

0,2727 x 100 = 27,3%

Finally, by rounding to the nearest tenth:

27,3%

That means 27,3% increase

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1. Exercise 18, section 3.1. Let D be the set of all students at your school and let M(s) be "s is a math major", let C(s) be "s
quester [9]

Answer:

∀s ∈ D, C(s) - - - > E(s)

∀s ∈ D, C(s) - - - > ~ E(s)

∃s ∈ D such that M(s) ∧ C(s)

Step-by-step explanation:

D = set of all students

M(s) = s math major

C(s) = s Computer science major

E(s) = s Engineering major

Expressing the following using quantifies variables and predicates :

A.) Every computer science student is an engineering student

∀s ∈ D, C(s) - - - > E(s)

b. No computer science students are engineering students

∀s ∈ D, C(s) - - - > ~ E(s)

c. Some computer science students are also math majors

∃s ∈ D such that M(s) ∧ C(s)

∃s = Existential Domain

∀s = universal

∧ = connective and

~ = not

∈ = belongs to

3 0
3 years ago
Please help! Thank you!
anygoal [31]

Answer:

736 N

Step-by-step explanation:

Area of the rectangular tile=length*breadth

=1.6*2.3 sq. metres

=3.68 sq . metres

Given, Maximum pressure sustainable by the tile=200N/sq.metres

Thus, the maximum force that can safely be applied to the tile=Pressure*Area

=200*3.68 N

=736 N

6 0
3 years ago
Read 2 more answers
HELP ASAP
Damm [24]

Answer:

He can make it with Max's audio goods

44.575 miles < 45 miles

Step-by-step explanation:

The angle of the truck driver = 180 - (60 + 69) = 51°

By using sin Rule:

40/sin51 = Max's auto goods/sin60 = Jimmy's car supply/sin69

∴ Max's auto goods = 40(sin60)/sin51 = 44.575 miles

∴ Jimmy's car supply = 40sin(69)/sin51 = 48.052 miles

∵ The truck driver can travel another 45 miles

∴ He can make it with Max's audio goods because 44.575 < 45

8 0
3 years ago
#7-9 please help with an explanation,, will mark brainliest
Mandarinka [93]

Answers:

<h2>7. 12</h2><h2>8. -√18</h2><h2>9. √220</h2>

Step-by-step explanation:

To find out which is greater, we must eliminate the radical symbol.

#7

\sqrt{88} = 9.38083151965

9.4 < 12

#8

-\sqrt{18} = -4.24264068712

-4.2 > -6

#9

\sqrt{220} = 14.8323969742

14.5 < 14.8

I'm always happy to help :)

8 0
3 years ago
<img src="https://tex.z-dn.net/?f=4%5E%7B%5Cfrac%7B-5%7D%7B2%7D%20%7D" id="TexFormula1" title="4^{\frac{-5}{2} }" alt="4^{\frac{
photoshop1234 [79]

Answer:

Given expression is equal to  1/32

Step-by-step explanation:

Given that:

= 4^(-5/2)

To eliminate "-" sign we will invert the fraction as follows:

= (1/4)^ 5/2

Or it can be written as:

= =\sqrt{(1/4)^5} \\=\sqrt{1/1024} \\=1/32

This is the simplified expression.

i hope it will help you!

8 0
3 years ago
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