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zavuch27 [327]
3 years ago
7

What is the product of 3x(x + 4) cOf

Mathematics
1 answer:
Lyrx [107]3 years ago
6 0

Answer:

3x²+12x

Step-by-step explanation:

Expand the brackets

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The number of measles cases has increased by 14% since 2000. Express your answer rounded correctly to the nearest hundredth. Sta
Dmitry [639]

Answer:

1.14x = 2x

x = (0.12)(1.14)x

Step-by-step explanation:

We are going to express the data in an equation form:

If <em>x </em>was the number of cases there was in 2000 ⇒<em>currently there are 1.14x </em>cases of measles.

But the question also tells us that the number of cases now is also 2 times what it was in 2000.

So we have that <u>1.14x = 2x</u>

<u />

It also tells us that the number of measles back in 2000 was 12% of what it is now.

<u>x = (.12) 1.14x</u>

<u />

We can't really solve these equations since the problem doesn't give us any more information (I am assuming there was another part of the problem before this one that wasn't written here).

8 0
3 years ago
Each leg of the race from part a is the same distance. Calculate the team’s average time for each leg of the race. Show your wor
a_sh-v [17]

Answer:

58

Step-by-step explanation:

Add all of them up and divide them by 4 because there is 4 number

mark as brainliest also done this in edgenuity.

3 0
4 years ago
ACD is a triangle and B is a point on AC. AB = 8cm and BC is 6cm. Angle BCD = 48° and angle BDC = 50°. (a) Find the length of BD
FromTheMoon [43]

Answer:

  • 5.8206 cm
  • 10.528 cm
  • 23.056 cm^2

Step-by-step explanation:

(a) The Law of Sines can be used to find BD.

  BD/sin(48°) = BD/sin(50°)

  BD = (6 cm)(sin(48°)/sin(60°)) ≈ 5.82064 cm

__

(b) We can use the Law of Cosines to find AD.

  AD^2 = AB^2 +BD^2 -2·AB·BD·cos(98°) . . . . . angle ABD = 48°+50°

  AD^2 ≈ 110.841

  AD ≈ √110.841 ≈ 10.5281 . . . cm

__

(c) The area of ∆ABD can be found using the formula ...

  A = ab·sin(θ)/2 . . . . . where a=AB, b=BD, θ = 98°

  A = (8 cm)(5.82064 cm)sin(98°)/2 ≈ 23.0560 cm^2

_____

Angle ABD is the external angle of ∆BCD that is the sum of the remote interior angles BCD and BDC. Hence ∠ABD = 48° +50° = 98°.

5 0
3 years ago
Can someone please help me with this?
podryga [215]

9514 1404 393

Answer:

  x = 3

Step-by-step explanation:

Tangents to a circle from the same point are the same length.

  43 -2x = 12x +1

  42 = 14x . . . . . . . add 2x-1

  3 = x  . . . . . . . divide by 14

4 0
3 years ago
Simplify<br>Pls help......​
never [62]

Answer:

5

Step-by-step explanation:

(0.000064)^5/6 divided by (0.00032)^6/5

(0.00032)^6/5=(0.000064)

and

(0.000064)^6/5=(0.00032)

so now we have (0.00032) divided by (0.000064)

which is 5!

hope this helps!

6 0
3 years ago
Read 2 more answers
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