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neonofarm [45]
2 years ago
14

Sam bought lunch everyday for 5 days with his debit card. each day he spent $8. if these were his only transactions for this wee

k what was the change in his account balance (working with integers)​
Mathematics
2 answers:
cupoosta [38]2 years ago
5 0

Answer:

-40$

Step-by-step explanation:

Just do 5 x 8, and then since the money is being taken out, put a negative sign

jek_recluse [69]2 years ago
4 0
-$40 you just multiply 5 x $8 and that gives you -$40 taken away from his debit card account
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Use the trend line to predict what the value of variable N will be when variable M equals 50.
ahrayia [7]

Answer:

N = 10

Step-by-step explanation:

Normally the coordinate system goes:

x axis (horizontal)

y axis (vertical)

Here, we have:

Horizontal axis as "M", and

Vertical axis as "N"

We want to know what N will be when M equals 50.

So, we look at the x-axis and go to M equals 50.

Then we move up until the "trend line". The intersection.

If we move directly left to vertical axis (N variable), we see that it is at the point:

N = 10

So,

When M = 50, N = 10

8 0
4 years ago
If she has 184 pages left to read,how many total pages are olives book
Kryger [21]

Answer:T=263

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
12 - x = 20 - 5x<br> I don't know how to solve this, please explain
jeyben [28]
12 - x = 20 - 5x

You see that -x and -5x both have an 'x' variable? This means they are 'like' terms. To get -x to the other side, we must add (if like terms are on opposite sides, do the opposite of what the sign says, e.g. - will be +)

12 = 20 - 4x

Now move 20 to the other side. Remember, do the opposite! Since 20 is positive, we must minus 20 to the other side.

-8 = -4x

To get x by itself, you will need to get rid of the coefficient of -4. -4x basically means -4 times x, so the opposite of that would be divide! Divide by -4

2 = x (Since both sides have a negative, they cancel out to give a positive)
x = 2
8 0
3 years ago
Only the correct answer please
11111nata11111 [884]
A. because he had ridden less than 140 so 5s >140
3 0
3 years ago
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Help pleaseeee NO LINKSSSS
Rainbow [258]

Answer:

Step-by-step explanation:

Radius=r. Diameter=d. C=circumference. A=area

Starting from the center of the circle any line drawn to any point on the circumference of the circle is the radius, if the line is drawn from one point on the circumference to another point on the circumference through the centre of the circle that is the diameter. The circumference of the circle is the perimeter of the circle.

Formulas;

r=d÷2

C=2πr

A=πr²

π=\frac{22}{7} or 3.142

4).

a.)r=d÷2

=4.8cm÷2

=2.4cm

b.)d=4.8cm

c.)C=2πr

=2×3.142×2.4cm

=15.08cm

d.) A=πr²

=3.142×(2.4)²

=3.142×5.76

=18.09cm² or 18.1cm²

5.

a.)r=d÷2

=7÷2

=3.5cm

b.)d=7cm

c.)C=2πr

=2×3.142×3.5

=21.99cm or 21.1cm

d.)A=πr²

=3.142×(3.5)²

=3.142×12.25

=38.49cm²

6.)

a.)r=d÷2

=14÷2

=7cm

b.)d=14cm

c.)C=2πr

=2×3.142×7

=43.99cm

d.)A=πr²

=3.142×(7)²

=3.142×49

=153.96cm²

7 0
3 years ago
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