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NeX [460]
3 years ago
14

5+(−4)+(−7)+2 jijujuijuijuijujijuijuijuijiji

Mathematics
2 answers:
Maurinko [17]3 years ago
8 0

Combine the terms. Note that: one positive and one negative sign results in a negative sign.

Simplify: 5 + (-4) = 5 - 4 = 1

1 + (-7) = 1 - 7 = -6

-6 + 2 = -4

-4 is your answer

~

valentina_108 [34]3 years ago
8 0

5+(-4)+(-7)+2

1+(-7)+2

-6+2

-4

that is the answer

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Can plz help iam new
Lena [83]
184 cubes difference

Explanation:

First guy made a 2x2x2 (L x W x H)
L: 2 x 2 = 4 ( twice as long)
W: 2 x 3 = 6 ( three times as wide)
H: 2 x 4 = 8 ( four times as high)

New block:

4 x 6 x 8 = 192

192 - 8 = 184 cubes different
3 0
3 years ago
If = 20, then p=<br> O A) 20-5 5<br> OB) 20 x 5<br> O'C) 20 + 5<br> OD) 20/5
nikklg [1K]
It’s A, 20-5 5

P=20-5 5
3 0
3 years ago
A conductor is mapping a trip and records the distance the train travels over certain time intervals. time (hours) distance (mil
Alex73 [517]

Given:

Table of values.

The train travels at a constant speed.

To find:

The speed of train in miles per hour.

Solution:

From the given table consider any two points, i.e., (0.5,22.5) and (1,45).

The train travels at a constant speed. It means, there is a linear relationship between time and distance.

The average rate of change (Slope) of a linear relationship is

m=\dfrac{y_2-y_1}{x_2-x_1}

m=\dfrac{45-22.5}{1-0.5}

m=\dfrac{22.5}{0.5}

m=\dfrac{225}{5}

m=45

So, average rate of change in distance with respect to time is 45.

Therefore, the speed of the train is 45 miles per hour.

8 0
2 years ago
HELP ASAP!!! 99 ASSIGNMENTS TO GO!!!! 25 POINTS!!!!
marin [14]
1: Ratio
2: Unit Rate
3: Scale Drawing
4: Similar Figures
5: US Customary System
6: Rate
7: Scale

I hope this helps! :)
5 0
1 year ago
Read 2 more answers
Help me with this question ​
enot [183]

Answer:

37.2

Step-by-step explanation:

when you turn the small triangle LMN to its right angle to cover the right angle of KLM, you find that they are similar triangles.

therefore the corresponding side lengths are at the same ratio.

LM/KM = MN/LN

LM = 24

MN = 13

we can get LN via Pythagoras of the small triangle

LN² + MN² = LM²

LN² + 13² = 24²

LN² = 24² - 13² = 576 - 169 = 407

LN = sqrt(407) = 20.174241

now back to our main problem

24/KM = 13/sqrt(407)

24×sqrt(407)/13 = KM = 37.2

4 0
2 years ago
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