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Dimas [21]
3 years ago
6

Briana bought a total of 8 notebooks and got 16 free pens

Mathematics
1 answer:
loris [4]3 years ago
8 0
The question isn't clear enough :)
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1. Consider the system of equations below. What could be the first step in solving by elimination?
leva [86]

Answer:

Multiple the first equation by -1

Step-by-step explanation:

After doing this you add the two equations together and follow the systems of equations as normal

-3x+-5y=-16\\3x+2y=10\\-3y=-6\\\frac{-3y}{-3} =\frac{-6}{-3} \\y=2

Therefore y = 2

7 0
3 years ago
What is the length of the shorter base of the Little Trapezoid trail?
valentina_108 [34]

Answer:

The length of the shorter base of the little trapezoid trail is 1 mi.

Step-by-step explanation:

Let the shorter base of the large trapezoid is S and the larger base of the large trapezoid is L.

Similarly, assume that the shorter base of the small trapezoid is s and the larger base of the small trapezoid is l.

Since, the trapezoids are similar, so

\frac{L}{l} = \frac{S}{s}

Now, given that S = 2 mi, L = 8 mi and l = 4 mi and we have to find s.

So, s = \frac{S \times l}{L} = \frac{4 \times 2}{8} = 1 mi. (Answer)

3 0
3 years ago
Evaluate -a -8b when a = 9 and b = -3<br> someone please help quick!!
ollegr [7]

Answer:

15

Step-by-step explanation:

-a -8b = -9 + 24 = 15

4 0
3 years ago
Read 2 more answers
C.J can shoot 36 shots in 3 minutes enter the number of shots C.J can shoot in 1 minute
Anna007 [38]

Answer:

he can shoot 12 shots in 1minute

Step-by-step explanation:

3minutes = 36 shots

1 minute= 36 divided by 3 which is equal to 12

4 0
3 years ago
Caden removed the label of a soup can like the one shown. What is the approximate area of the label if the can is 4 inches high
Dominik [7]

EXPLANATION

If the height of the can is 4 inches and the diameter is 3--> radius=1.5 inches, the area is given by the following relationhip:

\text{Area}_{\text{label}}=2\pi rh

Replacing terms:

\text{Area}_{\text{label}}=2\pi\cdot1.5\cdot4=12\pi=37.7in^2

The approximate area is 37.7 in^2

5 0
1 year ago
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