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Tpy6a [65]
2 years ago
5

Find the area of the shaded region.

Mathematics
1 answer:
Mariana [72]2 years ago
6 0

Answer:

its C

Step-by-step explanation:

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Solve the inequality<br> 7x&lt;5x-8
Aleksandr [31]
Minust 5x both sides
7x-5x<5x-5x-8
2x<-8
divide by 2 both sides
x<-4
6 0
3 years ago
The equation 2x^2 + x - 1 = 0 has two solutions. Find an equation of the form ax^2 + bx + c = 0, which solutions....
leonid [27]

Answer:

Step-by-step explanation:

Let the solution to

2x^2 + x -1 =0

x^2+ (1/2)x -(1/2)

are a and b

Hence a + b = -(1/2) ( minus the coefficient of x )

ab = -1/2 (the constant)

A. We want to have an equation where the roots are a +5 and b+5.

Therefore the sum of the roots is (a+5) + (b+5) = a+ b +10 =(-1/2) + 10 =19/2.

The product is (a+5)(b+5) =ab + 5(a+b) + 25 = (-1/2) + 5(-1/2) + 25 = 22.

So the equation is

x^2-(19/2)x + 22 =0

2x^2-19x + 44 =0

B. We want the roots to be 3a and 3b.

Hence (3a) + (3b) = 3(a+b) = 3(-1/2) =-3/2 and

(3a)(3b) = 9(ab) =9(-1/2)=-9/2.

So the equation is

x^2 +(3/2) x -9/2 = 0

2x^2 + 3x -9 =0.

4 0
3 years ago
Desribe how to use a tens fact to find the difference for 15-8
Fittoniya [83]

Answer/explanation :

Step-by-step

subtract 15-8 you have 7 then take

10- ur answer is 7

10-7= 3

5 0
3 years ago
Seth traveled one mile in 57.1 seconds. About how fast does Seth travel in miles per hour?
ZanzabumX [31]
<span>Since we need to convert “miles per second” to “miles per hour,”  we first need to find out how many seconds there are in a hour.
We know that there are 60 seconds in a minute, and if we wanted to do an hour we would have to do 60 * 60 which is 3600 seconds, therefore, 
</span>1 mi/57.1 sec = (1 mi/ 57.1 sec)(3600 sec/1 hour)

                        = (3600/57.1) mi/hours

<span>                        = 63.047 mi/hours</span>
5 0
3 years ago
PLZ HELP I BEG YOU ITS URGENT
harkovskaia [24]

Answer:

$638.25

Step-by-step explanation:

The interest is 5.5% yearly and it is simple interest.

Now, if we consider a deposit of $575 into the bank account that earned 5.5% simple interest each year, then after 2 and half years James will get interest only for 2 years as the 3rd year's interest will be added after the 3rd year.

Therefore, if no money was deposited into or withdrawn from the account, then after 2.5 years the sum will be  

575(1 + \frac{5.5 \times 2}{100}) = 638.25 dollars. (Answer)

7 0
3 years ago
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