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Goryan [66]
3 years ago
10

I don’t know what todo someone help me

Mathematics
1 answer:
lilavasa [31]3 years ago
8 0
Try this solution (this is one way):
1. The area of the shaded region is the area of the shaded triangle.
2. SΔ=0.5*(14-8)*8=0.5*6*8=24 m².
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What is the common difference of an arithmetic sequence defined by the formula an=2n−4?
Ainat [17]

Answer:

d = 2

Step-by-step explanation:

Generate the first few terms

a₁ = (2 × 1) - 4 = 2 - 4 = -2

a₂ = (2 × 2) - 4 = 4 - 4 = 0

a₃ = (2 × 3) - 4 = 6 - 4 = 2

a₄ = (2 × 4) - 4 = 8 - 4 = 4

d = 0 - (- 2) = 2 - 0 = 4 - 2 = 2

5 0
3 years ago
Read 2 more answers
Six less than 4 times a number​
Darina [25.2K]

Answer:

4x-6

Step-by-step explanation:

Six less than four times a number is four times x because times is multiplying and then subtracting six because less means minus (subtraction)

6 0
3 years ago
4x −3/3 =7 what is x
ratelena [41]

Answer:

x = 6

Step-by-step explanation:

4x - 3 = 7×3

4x - 3 = 21

4x = 21 + 3

4x = 24

x = 6

I hope you understood the explanation!

4 0
3 years ago
How does $100 gift card affect the measure of center of the data?<br> Attachment
Zinaida [17]
It increases the mean value of the prizes.
4 0
3 years ago
How many times does the graph of 4x = 32 - x2 cross the x-axis?
garik1379 [7]

Answer:

The graph crosses the x-axis 2 times

The solutions are  x = -8  &  x = 4

Step-by-step explanation:

Qaudratics are in the form ax^2 + bx+ c

Where a, b, c are constants

Now, let's arrange this equation in this form:

4x=32-x^2\\x^2+4x-32=0

Where

a = 1

b = 4

c = -32

We need to know the discriminant to know nature of roots. The discriminant is:

D=b^2-4ac

If

  • D = 0 , we have 2 similar root and there is 2 solutions and that touches the x-axis
  • D > 0,  we have 2 distinct roots/solutions and both cut the x-axis
  • D < 0,  we have imaginary roots and it never cuts the x-axis

Let's find value of Discriminant:

D=b^2-4ac\\D=(4)^2 -4(1)(-32)\\D=144

Certainly D > 0, so there are 2 distinct roots and cuts the x-axis twice.

We get the roots/solutions by factoring:

x^2+4x-32=0\\(x+8)(x-4)=0\\x=4,-8

Thus,

The graph crosses the x-axis 2 times

The solutions are  x = -8  &  x = 4

6 0
3 years ago
Read 2 more answers
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