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nata0808 [166]
2 years ago
14

If 4 candies cost 25 cents, how much does it cost t buy 20 candies?

Mathematics
2 answers:
Crank2 years ago
6 0

Answer: it would cost 5$

Step-by-step explanation:

20 candies multiplied by 0.25$

anastassius [24]2 years ago
3 0

Answer:

5.00

Step-by-step explanation:

answer

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I used elimination to solve this system of equations and found out that y = 1. What does x equal?
stepan [7]
5x + 4y = 24
Substitute y for 1
5x + 4 = 24
5x =20
x = 4
5 0
3 years ago
What’s the answer to this please? Thanks!
Serjik [45]

Answer:

70

  1. beacuse (2x-35)+75=180
  2. (2x-35)=105
  3. 2x=140
  4. x=70
3 0
3 years ago
What is the equation of the midline of the sinusoidal function?
Novosadov [1.4K]

Answer:

-3

Step-by-step explanation:

3 0
2 years ago
Six identical squares are cut from the corners and edges of an 80 cm by 50 cm cardboard rectangle. the remaining piece is folded
Anna11 [10]
Check the picture.

let the length of a side of each of the squares removed be x.

The box formed will have dimensions: 80-2x, 50-2x, x(the height)

So the volume can be expressed as a function of x as follows:

f(x)=(80-2x)(50-2x)x=[4000-160x-100x+4 x^{2} ]x=(4 x^{2}-260x+4000)x

so f(x)=4 x^{3}-260x^{2}+4000x

the solutions of f'(x)=0 gives the inflection points, so the candidates for maxima points,

f'(x)=12x^{2}-520 x +4000=0

solving the quadratic equation, either by a calculator, graphing software, or by other algebraic methods as the discriminant formula, we find the solutions

x=10 and x=33.333

plug in f(x) these values to see which greater:

f(10)=(80-20)(50-20)10=60*30*10=18000 cm cubed

f(33.333)=(80-66.666)(50-66.666)33.333= which is negative because (50-66.666)<0



Answer: 18000 cm cubed

5 0
2 years ago
Read 2 more answers
Solve for x.<br> 4x - 36<br> 3x + 10
Anestetic [448]

Answer:

x = 46

Step-by-step explanation:

Since the angles are equal to each other, make the equations equal to each other.

4x - 36 = 3x + 10 and simplify

x - 36 = 10

x = 46

Hope this helps!

7 0
2 years ago
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