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Serhud [2]
2 years ago
13

If the sum of squares roots of the equation x2+ x -k=0 is 10

Mathematics
1 answer:
OlgaM077 [116]2 years ago
8 0

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When a number is tripled and 8 is subtracted from the result, the answer is 16. What is the number?
ivann1987 [24]

N(3)-8=16

add 8 to both sides

3n=24

Divide each side by three

n=8


6 0
3 years ago
A car drove at a rate of 32 miles every minute. If the speed per minute remains the same, which method could be used to determin
Radda [10]

Step-by-step explanation:

if the car speeds at a constant rate of 32mi/m

the number of miles travelled in the next 25 min

= 32 mi/m ×25m

800 miles in the next 25 min

5 0
3 years ago
Is anyone good with this? I need help finding the answer.
dybincka [34]
To solve this problem, we have to find the perimeter of the shape.
we already know that two of the sides are 82m, all we need to do is find the circumference of the semicircles.
to find circumference, you multiply the diameter of a circle by pi. since we have two identical semicircles, we have one full circle. 66•3.14=207.24
207.24+82+82=371.24
the answer is 371.24m
3 0
3 years ago
Solve the system of equations using subtraction. Equation 1: 3x-2y= -2 Equation 2: 3x + y = 10 The solution is (? ,?) HURRY PLEA
Art [367]

Answer:

the solution is x = 2 and y = 4 OR (2,4)

Step-by-step explanation:

From the question

Equation 1: 3x-2y= -2

Equation 2: 3x + y = 10

Subtract equation 1 from equation 2, that is

3x + y = 10 - (3x -2y = -2)

You get

3x - 3x + y - (-2y) = 10 - (-2)

0 + y + 2y = 10 + 2

3y = 12

Divide both sides by 3

∴ y = 12/3

y = 4

Substitute the value of y into equation 2 to get x

3x + y = 10

3x + 4 = 10

Then,

3x = 10 - 4

3x = 6

Divide both sides by 3

∴ x = 6/3

x = 2

Hence, the solution is x = 2 and y = 4

5 0
3 years ago
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Oliga [24]
Slope = (2+6)/(2+2) = 8/4 = 2

answer:

slope = 2
8 0
3 years ago
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