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2 years ago

-2+(-7)= What is the answer? HELP!!!!!!!!!

Mathematics

1 answer:

Elodia [21]2 years ago

6 0

Answer:

-9

Step-by-step explanation:

- 2 + ( - 7 )

- 2 - 7 = -9 ( Answer)

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A rocket travels 2.8x10^4 km h^-1. find how far it travels in 5 hours

mixas84 [53]

It is given in the question that, a rocket travels 2.8x10^4 km h^-1.

It means in one hour, the rocket travels

$2.8* 10^4km.$

And we have to find how much the rocket travels in 5 hours, and for that we have to do multiplication, that is

$2.8*10^4 *5 = 14*10^4 = 1.4* 10^5 km$

8 0

3 years ago

The letter b represents a nonzero constant. Solve bx= -7 for x

zalisa [80]

You would divide b on both side so you can get x=-7/b

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3 years ago

100 points!!!! To whoever helps me with this!

netineya [11]

Answer:

#1: Josue's dogs

#2: see images

#3: Am group median: 25.5 Pm group median: 19

#4: Am group first Quartile = 16 Pm group first Quartile = 10

#5: Am group third Quartile = 30 Pm group third Quartile = 37

#6: see images

#7: Am group Interquartile Range = 14 Pm group Interquartile Range = 27

#8: Am group because its Interquartile gruop is smaller than the Pm group

Step-by-step explanation:

Mark as Brainliest

5 0

3 years ago

Read 2 more answers

Simplify 4(b-6)+19 ?

Digiron [165]

Answer:

4b -5

Step-by-step explanation:

Perform the indicated multiplication first: 4b - 24 + 19. Next, combine like terms, obtaining 4b -5 (answer)

4 0

3 years ago

Trapezoid ABCD has an area of 525 cm squared. If height AB = 21 cm and BC = 37 cm, what is the measure of AD?

Annette [7]

Answer:

AD = 13

Step-by-step explanation:

Area of trapezoid ABCD

$= \frac{1}{2} (AB + AD) \times AB \\ \\ 525= \frac{1}{2} (37+ AD) \times21\\ \\ 525 \times 2= (37+ AD) \times21 \\ \\ 1050 = 21 \times 37 + 21AD \\ \\ 1050 = 777+ 21AD \\ \\ 21AD = 1050 - 777 \\ \\ 21AD = 273 \\ \\ AD = \frac{273}{21} \\ \\ AD = 13$

8 0

2 years ago