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Aleksandr-060686 [28]
3 years ago
5

Name the property illustrated by this equation. -5 x 1 = -5

Mathematics
1 answer:
Shkiper50 [21]3 years ago
6 0
The identity property of multiplication is the product of one and any number or variable is the number or variable.

-5 x 1 = -5

This is the identity property.
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All 231 students in math club went on a field trip some rode in vans that held 7 people and some rode on buses that held 25 peop
MariettaO [177]

Answer:

8 vans

7 buses

Step-by-step explanation:

Let there be "b" buses

and "v" vans

Since 7 people is the capacity of vans, the total capacity is

7v

Also, since 25 people is the capacity of 1 bus, the total capacity is

25b

In total 231 people, so we can write our first equation as:

7v + 25b = 231

Now, we know there are 15 vehicles (bus + vans) in total, so we can write our 2nd equation as:

v + b = 15

Now, we solve for v and b. Let's solve the 2nd equation for v and substitute that into 1st and solve for b first:

v + b = 15

v = 15 - b

Now,

7v + 25b = 231\\7(15-b) + 25b = 231\\105-7b+25b=231\\18b=126\\b=7

Hence, there are 7 buses

Since 15 vehicles in total, the number of vans is:

15 - 7 = 8 vans

So,

8 vans

7 buses

8 0
4 years ago
Did I do this correctly?
Rina8888 [55]
Yes!
- you applied the distributive property
- combined like terms
- and answered the rest right!
8 0
3 years ago
What is the square root of 600
dmitriy555 [2]

Answer:

24.495 if they want it as a radical, it would be positive or negative radical 600.

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Charlie is at a small airfield watching for the approach of a small plane with engine trouble. He sees the plane at a angle of e
liubo4ka [24]
First find the vertical distance from Charlie to the plane by subtracting the altitude of Charlie's eyes from the altitude of the plane: 1700-5.2=1694.8 ft. Let d be the distance from Charlie to the plane. Use the trignometric relationship in the right triangle: sin32=1694.8/d. d=3198 ft.
5 0
3 years ago
What is the perimeter of the parallelogram
vfiekz [6]

Answer:

34

Step-by-step explanation:

p= l+l+w+w

5+5+12+12=

10+24=

34

5 0
3 years ago
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