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EastWind [94]
3 years ago
5

Needing help with this very confusing!

Mathematics
2 answers:
Wittaler [7]3 years ago
6 0

Answer:

The answer is part C

Step-by-step explanation:

AveGali [126]3 years ago
3 0

Answer:

its c

Step-by-step explanation:

Ive had this question before

please give me brainliest  if this helps

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A dress normally costs £35.
dem82 [27]

Answer:

£29.75.

Step-by-step explanation:

15% = 0.15 as a decimal fraction.

Sale price = 35 - 0.15*35

= £29.75.

8 0
2 years ago
Given ƒ(x) = 9x + 54, find x when ƒ(x) = 18. <br> A)−6 B)−4 C)3 D)8
Katen [24]

Answer:

B. -4

Step-by-step explanation:

We want to find x such that f(x)=18.

We need to therefore solve 9x+54=18 forx.

9x+54=18

Divide both sides by 9:

(9x+54)/9=18/9

9x/9+54/9=18/9

Simplify:

x+6=2

Subtract 6 on both sides:

x=2-6

Simplify

x=-4.

So f(-4) should have value 18.

Let's check.

f(x)=9x+54

f(-4)=9(-4)+54

f(-4)=-36+54

f(-4)=18

So the answer is B.

7 0
4 years ago
Read 2 more answers
Solving systems of equations has been used consistently throughout this course in order to shed light on all kinds of different
Margarita [4]

Answer:

Types of problems that require solving a system of linear equations are:

Calculation of mileage rate

Calculations of ages of children born to a family

Calculation of income over a range of period.

Step-by-step explanation:

Solving a system of linear equations have many real life applications. Many real life problems can be used to set up a system of linear equations.

The following are the steps:

Understand the problem

Break the problem down into parts and represent each part with unknown variables such as: X1, X2, X3,...

Combine the unknown variables mathematically, from the statements of the problem(That is, 2X1 + X2 - 6X3, X1 + 2X2 + 4X3,....)

The results of the solved linear equation system (after solving) will give the solution to the problem. The solutions to the real life problems can be learned by the nature, analysis, and relationship of the solutions of the system of the formed linear equation

3 0
3 years ago
Daniel, Jim and David share £80 in the ratio 3:6:7 respectively. David gets the biggest share,
shutvik [7]

Answer:

Got my points deducted by a loser name PoeticAesthetics

Step-by-step explanation:

6 0
3 years ago
HELP PLEASE 23 POINTS I NEED U RN I NEED U GORL
artcher [175]

Answer:

No

Step-by-step explanation:

He is not correct because paper is a one-denominational surface, and volume only comes from 3 denominational objects.  

6 0
3 years ago
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