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iragen [17]
3 years ago
15

Multiplicative inverse of 21/49​

Mathematics
1 answer:
Komok [63]3 years ago
5 0

Answer:

49/21

Step-by-step explanation:

You just have to switch the numerator and denominator so you can cancel out the number from one side of the equation in a normal problem

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Factor 5v^2 - 23v - 10​
AfilCa [17]

Answer:

(5v + 2)(v - 5)

Step-by-step explanation:

Hello!

The expression is written in the form of ax^2 + bx + c

Let's factor by grouping:

ac  = -50

The sum of the factors of -50 should add up to -23.

-25 and 2 work for this.

Expand and factor:

  • 5v^2 - 23v - 10
  • 5v^2 - 25v + 2v - 10
  • 5v(v - 5) +2(v -5 )
  • (5v + 2)(v - 5)

The factored expression is (5v + 2)(v - 5)

7 0
2 years ago
14.603 rounded to the nearest hundred is
stira [4]
If you mean to the nearest HUNDREDTH the answer is 14.60.
3 0
3 years ago
Read 2 more answers
Irene tiene una colección de 50 dvd de películas de 90 minutos de duración cada una .Si el precio de cada uno era de 11€ , ¿cuan
Rainbow [258]

To solve this problem you must apply the proccedure shown below:

1. She has a total of 50 DVDs of 90 minutes each one of them. The cost of each DVD was 11€.

2. Therefore, to calculate the total cost of the collection, you must multiply the cost of each DVD by the total number of them:

total=(11)(50)=550€

3. To calculate the total minutes of the collection, you must multiply 90 minutes by the total number of DVDs:

(90min)(50)=4500min

Therefore, the answer is: 550€ and 4500 minutes.

3 0
3 years ago
Mr. Morris is going to save money and replace his sailboat's mainsail himself. He must determine the area of the mainsail in ord
Readme [11.4K]

Answer:

Area of parallelogram is 150 square ft

Step-by-step explanation:

Given the parallelogram in the figure whose height is 10 ft and base length is 15 ft.

Area of parallelogram is base \times height

                                       = 15\times 10ft^2

                                       = 150 square ft

now we have to decompose this parallelogram into rectangles and triangles and then to determine the shape.

The given parallelogram KLMN can be decomposed into 2 triangles and one rectangle.

2 right angled triangles KPL and NOM by construction

KL^{2}=KP^{2}+PL^{2}=10^{2}+2^{2}                                          =100+4=104

⇒ KL=\sqrt104=10.2 ft=MN         (∵ KLMN is a parallelogram)

Hence, dimension of triangles are 10 ft, 2 ft and 10.2 ft

Now rectangle KPON with dimension 15 ft and 10 ft because KP and NO are perpendiculars on LM.



5 0
3 years ago
How do I work this out and what's the answer?​
rodikova [14]

Answer:

66 degrees! Hope it Helps!!!!

Step-by-step explanation:

So the total angle amount of a square is 360

lets first figure out what x is...

angle B and angle D is equal, forming a equation.

6x-96=3x

simplify that...

x=32

Now pluggin x into the equation (6x-96)&(3x)

96 and 96

Now add all the angles forming this equation: (?+102+96+96=360)

?=66

4 0
2 years ago
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