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Stels [109]
2 years ago
10

Can you do it step by step for me

Mathematics
2 answers:
noname [10]2 years ago
8 0
Answer: 10
step one: replace r with 7 and a with 2
this will bring you to the equation 7+(2+1)^2 ÷3. (if you don’t know “^2” means squared or to the power of 2)
step 2: do what’s in the parenthesis first following PEMDAS which would be (2+1) and 2+1 is 3. now your equation is 7+3^2 ÷3

step 3: do the exponent, 3^2 is 3*3 which equals 9 so the new equation is 7+9 ÷3

step 4: now you have to do division, 9 ÷3 = 3 so our new equation is 7+3

step 5: addition is last and we have to do 7+3 which is 10 so your answer is 10!


hope this was a good explanation!
liraira [26]2 years ago
7 0

Answer:

= 10

Step-by-step explanation:

r + (s+1)^{2} ÷ 3

if, r = 7 and s = 2

SO..

7 + (2+1)^{2} ÷ 3

..

Add 2 and 1 to get 3.

7 + \frac{3^{2} }{3}

Calculate 3 to the power of 2 and get 9.

7 + \frac{9}{3}

Divide 9 by 3 to get 3.

7 + 3 = 10

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A car travels at 60 miles per hour. If d is the distance traveled and t is the time in hours:
erastovalidia [21]

Answer:

Step-by-step explanation:

first we will break the parts of the question down:

d= distance

t= time

function: d=t(60)

the <em>independent </em>variable is t, time, because the (distance) that the car travels <u>depends  </u> on how long the car has been traveling for (time) meaning that the dependent value is distance.

A table we can create with 5 coordinate pairs is:

(time)        (distance)

1 hr            60miles

2 hr           120 miles

3 hr          180 miles

4 hr            240 miles

5 hr           300 miles

(to graph the coordinate pairs, you can graph the points listed in the table. the time value represents the x value since it is the independent variable, and the y value will be the distance values since it is dependent.)

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8 0
3 years ago
Juana gana $4.00 la hora. En un día en el que ella trabaja de 9:30am a 3:00pm ¿Cuanto ganará?
EleoNora [17]

Answer:$26

Step-by-step explanation:

3 0
2 years ago
What’s the answer????
Bond [772]
First option. The inequality can be split into two separate inequalities.
6 0
3 years ago
The label on the car's antifreeze container claims to protect the car between −40°C and 125°C. To covert Celsius temperature to
Solnce55 [7]

Answer:

see below

Step-by-step explanation:

The label on the car's antifreeze container claims to protect the car between -40°C and 125°C.

So inequality which models this situation will be -40°C < T < 125°C

Now we have to show this inequality in Fahrenheit temperature with the help of C=\frac{5}{9} (F-32)

So the compound inequality in Fahrenheit temperature will be

-40 < \frac{5}{9} (F-32) < 125

7 0
2 years ago
Look at Attachment, giving a lot of points for the answer to questions.
tatiyna

Answer:

see below

Step-by-step explanation:

1.

m = (y2-y1)/(x2-x1)

    = (90-80)/(0-1)

     = 10/-1

   =-10

The slope is -10 ft/s

This means the height decreases 10 ft for every second that passes

This is not proportional because it has to go through the point (0,0)

4.

m = (y2-y1)/(x2-x1)

    = (1000-0)/(3-0)

     = 1000/3

   =1000/3

The slope is $1000/3

This means the 1000 dollars is sold every 3 days

This is proportional because it goes through the point (0,0) and has a constant slope

7 0
2 years ago
Read 2 more answers
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