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Ivan
3 years ago
6

Write an equivalent expression by distributing the "−" sign outside the parentheses: 9.8w-(7x-1)

Mathematics
1 answer:
Crazy boy [7]3 years ago
7 0

Answer:

9.8w-7x+1

Step-by-step explanation:

9.8w-(7x-1)

Distribute the minus sign to each term in the parenthesis

9.8w-7x - -1

A negative negative is a positive

9.8w-7x+1

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A city grid of Anytown, USA is shown on the grid below. The fire department is represented by quadrilateral RSTU. Another fire d
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Hella easy, the answer would be C(-2,3) D(-2,5)
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4 years ago
How do u find percent of change?
Ksju [112]

Answer:

You find percent of change

by finding the differences between the numbers given

and by setting up a fraction to find the change because percentages deals with fractions

Then you simplify ur fraction by multiplying by 100

Step-by-step explanation:

e.g

find the percent of change from 20 to 80

find their differences

80-20= 60

set up a fraction

60/20

simplify your fraction by multiplying over 100

60/20*100

3*100=300%. answer

7 0
3 years ago
Zahra runs a 500-meter race at a constant speed. Which graph shows her distance from the finish line during the race?
makkiz [27]

Answer: The answer is the third figure. Attached the image.

Step-by-step explanation: Given that Zahra runs a 500-meter race at a constant speed. We are to select the correct graph from the four options that will show her distance from the finish line during the race.

We can see in graph 2, the distance covered by Zahra in metres increases at the same rate as the time increases in minutes.

But, since we are considering from the finish line, so option (#) will be right, because Zahra starts at 500 metres, decreases in the same manner as the increase of time and goes down to 0 on the positive X-axis.

Also,

Thus, the attached graph, which is the third option is the correct graph.

6 0
3 years ago
Read 2 more answers
-64+ x = -90.3<br><br><br> PLEASE HELP ASAP!!:))
ludmilkaskok [199]

Answer:

add 64 to both sides

Step-by-step explanation:

x = -26.3

7 0
3 years ago
I need to know how to solve this equation?
cestrela7 [59]
Your picture shows the first step: use the distributive property to eliminate parentheses.
  5*7 -5*x = 2*x -3
Now, you have an equation with a constant and an x-term on each side. I like to pick the x-term with the smallest (most-negative) coefficient and add its opposite to the equation.

Adding 5x, we have
  35 = 7x -3
Adding 3 will get the x-term on one side and the constant on the other
  38 = 7x
Now, we divide by the coefficient of x
  38/7 = x = 5 3/7

This is the correct answer, even though it is not an integer.

_____
Check
  5(7 -(5 3/7)) = 2(5 3/7) -3 . . . . substitute for x in the original equation
  5(1 4/7) = 10 6/7 -3 . . . . . . . . . evaluate the parentheses on the left, do the multiplication on the right
  5 20/7 = 7 6/7 . . . . . . . . . . . . do the multiplicaton on the left, the subtraction on the right
  5 +2 6/7 = 7 6/7 . . . . . . . . . . . rewrite 20/7, realize 5+2=7. true
8 0
4 years ago
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