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emmasim [6.3K]
2 years ago
9

Answer these two questions pleaseeee

Mathematics
1 answer:
Leya [2.2K]2 years ago
3 0

Answer:

1. 2/5

2.no

Step-by-step explanation:

thank you come again

You might be interested in
Simplify (-2x)^4<br> a.) -16x^4<br> b.) -8x^4<br> c.) -2x^4<br> d.) 8x^4<br> e.) 16x^4
kozerog [31]

answer

c.)

Step-by-step explanation:

(-2x)^4 = -2x^4

which is the same as answer c.)

4 0
3 years ago
When visiting his parents, Tyler drives at an average speed of 42 km/h through urban areas and at an average speed of 105 km/h o
MaRussiya [10]

Answer:

  168 km

Step-by-step explanation:

Let x represent the distance Tyler drives at the slower speed, and let y represent the distance at the higher speed. Using time = distance/speed, we can write equations for the total travel time:

  x/42 +y/105 = 2.5

  x/28 +y/60 = 4.0 . . . . . 1.5 hours more than the usual 2.5 hours

Multiplying the first equation by 210, we have ...

  5x +2y = 525

Multiplying the second equation by 420, we get ...

  15x +7y = 1680

Subtracting 3 times the first of these equations from the second, we have ...

  (15x +7y) -3(5x +2y) = (1680) -3(525)

  y = 105

Putting this into the very first equation, we get ...

  x/42 + 105/105 = 2.5

  x/42 = 1.5 . . . . . . subtract 1

  x = 63 . . . . . . . . .multiply by 42.

The total distance to Tyler's parents' house is ...

  63 km + 105 km = 168 km

4 0
3 years ago
How many significant digits are in thus number 74.30
goblinko [34]

Answer:

3

Step-by-step explanation:

all numbers except from zero

that would mean 7 4 and 3

so there would be 3 significant figures

I hope it goes well

7 0
3 years ago
Find (fxg)(a)?thanks !!
Ghella [55]

Answer:

12a^2+13a+3

explanation:

multiply:

(3a+1)(4a+3)=(fxg)

12a^2+13a+3

5 0
2 years ago
the space suit Neil Armstrong when he stepped on the ball for the first time with about 8 and 180 pounds on Earth how much do th
BigorU [14]
The weight would be converted to 30 pounds on the moon
8 0
3 years ago
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