3 years ago

What is the sum of 2.5 x 10^4 and 3.4 x 10^4

Mathematics

1 answer:

navik [9.2K]3 years ago

3 0

5.9 x 10^4

59000

That is the answer C

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nika2105 [10]

Answer:

b=-3

Step-by-step explanation:

9+3=-4b

12=-4b

b=12/-4

b=-3

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3 years ago

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9d + 10c how many terms are in this expression

bogdanovich [222]

Answer:

I think 2

Step-by-step explanation:

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3 years ago

In the equilateral triangle XYZ, X is located at (-5, -9) and Z is located at (1, -17). What is the perimeter of Triangle XYZ? a

mario62 [17]

Answer:

Option a. 30 units

Step-by-step explanation:

we know that

An equilateral triangle has three equal sides

XY=YZ=XZ

The perimeter of triangle XYZ is equal to

$P=XY+YZ+XZ$

$P=3XZ$

Find the distance XZ

the formula to calculate the distance between two points is equal to

$d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}$

we have

X is located at (-5, -9) and Z is located at (1, -17)

substitute the values in the formula

$XZ=\sqrt{(-17+9)^{2}+(1+5)^{2}}$

$XZ=\sqrt{(-8)^{2}+(6)^{2}}$

$XZ=\sqrt{100}$

$XZ=10\ units$

Find the perimeter

$P=3(10)=30\ units$

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3 years ago

(a) Use Euler's method with step size 0.2 to estimate y(1.4), where y(x) is the solution of the initial-value problem y' = 3x −

Archy [21]

Answer:

Step-by-step explanation:

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3 years ago

I need help with this:What is the value of y? Enter your answer in the box. y =

lina2011 [118]

Answer:

y=5 degrees

Step-by-step explanation:

It is an isosceles triangle so that means that there are two angles that equal 75, so that means the third side with 4y + 10 is equal to 30 degrees.

4y+10=30

4y=20

y=5 degrees

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4 years ago