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kipiarov [429]
3 years ago
5

The square of a number, decreased by 15, is equal to twice the number

Mathematics
1 answer:
STALIN [3.7K]3 years ago
6 0
the answer to this equation x^2-15=2x
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Need soome help on this homework question thanks
SOVA2 [1]

Answer:

See Below

Step-by-step explanation:

3 0
3 years ago
Write the equation for the line graphed below.
mrs_skeptik [129]

Answer:

y = 1/2x -1

Step-by-step explanation:

to find the y-intercept you find where the line crosses the y axis

for the slope you need to use the equation

change of y2 - change of y1

change of x2 - change of x1

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3 years ago
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Yx*2; use x=7,And y=2
Mars2501 [29]

Answer:

14*2

Step-by-step explanation:

x=7 and Y=2

2×7*2

14*2

7 0
3 years ago
In a fruit cocktail, for every 20 ml of orange juice you need 10 ml of apple juice and 15 ml of coconut milk. What proportion of
tresset_1 [31]
Since you have to mix all of it together, the whole cocktail is 20+10+15=45.
And the portion that is coconut milk is 15ml. So that means there is 15 out of 45 or 15/45 coconut milk in the cocktail. Then the simpelest form is 1/3.
6 0
3 years ago
Read 2 more answers
A circular mirror measures 24 cm in diameter.
Basile [38]

Answer:

The perimeter or circumference of a half mirror = 37.68 cm

Step-by-step explanation:

  • The diameter of circular measure = 24 cm

We know that the perimeter of a circular shape is called the 'circumference', with the formula

  • Circumference of a circle = C = 2πr

When the mirror is cut into half, the diameter gets half as well.

  • Thus, the diameter of a half mirror = 24/2 = 12 cm

We know that radius = r = diameter / 2 = 12/2 = 6 cm

Thus, the perimeter of half of the mirror  = C = 2πr

                                                                           = 2(3.14)6

                                                                            = 37.68 cm

Therefore, the perimeter or circumference of a half mirror = 37.68 cm

4 0
3 years ago
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