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finlep [7]
3 years ago
10

The quotient of two negative integers results in an integer.How does the value of the quotient compare to the value of the origi

nal two integers?
Mathematics
1 answer:
Aleksandr-060686 [28]3 years ago
4 0
It is the inverse of the two added together
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A painting measure 40 cm by 35 cm how many squared cm does its surface cover
miskamm [114]

Answer: Its surface covers  1400 cm²

Explanation:

Since the length of painting = 40 cm

Breadth of painting = 35 cm

Since we know that area of rectangle is product of dimensions.

∴ Area of painting = length × breadth

= 40 cm × 35 cm

= 1400 cm²

∴ Its surface cover  1400 cm².

8 0
3 years ago
There are 38 students in a class. 13 of them like to play badminton, 22 of them like to play tennis while 5 of them are not inte
snow_lady [41]

Answer:

2

Step-by-step explanation:

38 total students

5 like neither one, so 38 - 5 = 33

22 plus 13 is 35, but only 33 students like one of them, so 35 - 33 = 2 extra votes, which means 2 like both.

3 0
2 years ago
Mary, a colleague of yours, wants to test the effectiveness of a new lesson plan on two different groups of students. She wants
____ [38]

Answer:

To use a paired t-test

Step-by-step explanation:

t-tests are essentially tests carried out to compare two different groups to check if there is a major difference in their performances or results which may be related in certain characteristics.

A paired (correlated) t-test is used when there are matched pair of similar units or instances of repeated measurements.

In this case, Mary has to use a paired t-test because the samples (students) have high similarity in characteristics. The students in question has to be from the same class to test her hypothesis (similar characteristics).

7 0
3 years ago
The rotor of an electric motor has rotational inertia Im = 7.17 x 10-3 kg·m2 about its central axis. The motor is used to change
DIA [1.3K]

Answer:

the number of revolutions of the rotor required to turn the probe through 44.1° about its central axis is approximately 117 revolution.

Step-by-step explanation:

From the conservation of angular momentum of the motor

Ip× theta p = Im × theta m

Where IP = 6.84 is the rotational inertia of the probe along it central axis

Theta p= 44.1°, Im = 7.17 ×10^-3 is the rotational inertia of the electric motor about it central axis.

Ip× theta p = Im × theta m

6.84 × 44.1 = 0.00717 × theta m

301.644 = 0.00717 × theta m

Theta m= 301.644 /0.00717

= 42,070.3°

Number of revolution =42,070.3°/360

= 117 revolution

5 0
3 years ago
Please help, I can't figure out how to set this up. There's supposed to be 2 equations.
jeka57 [31]
-6y-y = -4
2(x+y) = 15
6 0
3 years ago
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