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malfutka [58]
3 years ago
12

(01.01 MC)Why is 3 + (−5) equal to −2?

Mathematics
1 answer:
Vesnalui [34]3 years ago
7 0

Answer:

C) Because it is 5 units to the left of 3 on a horizontal number line

Step-by-step explanation:

You have to go 5 steps back to the left of 3 to get to -2.

See attached drawing for visual assistance on this problem:

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A rock is dropped from a height of 88.6 m and falls toward Earth in a straight line. In t seconds the rock falls 4.9t2 meters.
Allushta [10]

Answer:

The average speed is 9.8 meter per second in the first two seconds

Step-by-step explanation:

Complete Question

What is the average velocity of the rock in first 2 secs?

Solution

Distance travelled in first two seconds  

4.9 t^2 = 4.9*2*2 = 19.6 m

Average speed = S2-S1/2 = 19.6-0/2 = 9.8 meter per second  

8 0
3 years ago
Find the midpoint M of the line segment joining the points A = (-5, 7) and B = (-1, -5).
11111nata11111 [884]

Answer:

M = (-3,1)

Step-by-step explanation:

We need to find the midpoint M of the line segment joining the points

A = (-5,7) and B = (-1, -5)

The mid point of the line segment joining the points (x₁,y₁) and (x₂,y₂) is given by :

M=(\dfrac{x_1+x_2}{2},\dfrac{y_1+y_2}{2})\\\\M=(\dfrac{-5+(-1)}{2},\dfrac{7+(-5)}{2})\\\\M=(-3,1)

Hence, the required point is (-3,1).

6 0
3 years ago
There are 24 students in a science class .Mr Sato will give each pair of students 3 magnets .so far,Mr Sato has given 9 pair of
BartSMP [9]
9 pairs = 18 people
24 - 18 = 6
6 divided by 2 = 3 pairs
3 magnets for 3 pairs is 9 magnets.
5 0
3 years ago
230 calories in a 48 g packet ñ how many calories in a9.6g bag
Elden [556K]

Answer:

46

Step-by-step explanation:

230 divided by 5

3 0
3 years ago
It costs $3.55 to make a sandwich at the local deli shop. To make a profit, the deli sells it at a price that is 160% of the cos
ivann1987 [24]
5.68 is what I got but double check
7 0
3 years ago
Read 2 more answers
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