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Katyanochek1 [597]
3 years ago
13

Show all work 14 +18 - 2 x 18 -7

Mathematics
1 answer:
djverab [1.8K]3 years ago
5 0

Answer:

-11

Step-by-step explanation:

BIDMAS

(BRACKETS, INDICES, DIVISION, MULTIPLICATION, ADDITION, SUBTRACTION)

14 + 18 - 2 x 18 -7

the first thing we do is the multiplication (since there is no division in this question)

14 +18 − (2)(18) −7

14 + 18 - (36) - 7

32 - 36 - 7 = -11

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Can someone please help me with number 15?
igor_vitrenko [27]

the answer is 2. because you need to subtract the fractions once you do that you’ll get -2 • (-1) then multiple you’ll have 2 .

6 0
3 years ago
Kevin cuts lawns during the summer months. He charges $10 plus $5 per hour. The algebraic model is C = 5h + 10, where C represen
Dafna1 [17]

Answer:

We have;

Hours (h),                            Total cost C

1,                                           5*1 + 10 =  $15

2,                                          5*2 + 10 = $20

3,                                          5*3 + 10 =  $25

4,                                          5*4 + 10 =  $30

5,                                          5*5 + 10 =  $35

Step-by-step explanation:

The given parameters are;

Kevin's fixed charge for lawn cutting = $10

Kevin's charge for lawn cutting per hour = $5

The total cost, C, for cutting lawn cutting by Kevin is C = 5h + 10

7 0
4 years ago
Statements 1 and 2 are true conditional statements.
WARRIOR [948]

The valid conclusion about statement A and statement B is "If Figure A is a parallelogram, then Figure A’s angles sum to 360°".

The correct answer option is option D.

<h3>What is conditional statement?</h3>

A conditional statement can be defined a statement that is written in the form “If A then B,” where A and B are sentences.

For this conditional statement:

Sentence A is called the hypothesis

Sentence B is called the conclusion.

Hypothesis: This is an assumption taken to be true for the purpose of argument or investigation.

Conclusion: This is the proposition that follows as a necessary consequence of the premises in an argument or syllogism.

Hence, “If A then B” means that B must be true whenever A is true.

Therefore, if a figure is a parallelogram, then it is a quadrilateral; If a figure is a quadrilateral, then its angles sum to 360°.

It can be concluded that if a figure is a parallelogram, then it's angles must sum to 360°.

Read more on conditional statement:

brainly.com/question/11073037

#SPJ1

3 0
1 year ago
PLEASE HELP. like NOW i have no clue how to do this. you have to set it up using a proportion method.
ExtremeBDS [4]
The answer to number 16 is 20%.
5 0
4 years ago
What is -5x - 3y = 21 in slope-intercept form?
djyliett [7]

Answer:

\displaystyle y = -1\frac{2}{3}x -7

Step-by-step explanation:

−5x - 3y = 21

+ 5x + 5x

__________

\displaystyle \frac{-3y}{-3} = \frac{5x + 21}{-3} \\ \\ y = -1\frac{2}{3}x - 7

I am joyous to assist you anytime.

7 0
4 years ago
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