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2 years ago

Easy percentages question but im stuck

Mathematics

2 answers:

Rina8888 [55]2 years ago

7 0

15 x 1.59 = 23.85

Her order is between 20 euros and 34.99 euros. Therefore, she gets 2.5% discount.

2.5 x 23.85/ 100 = 0.60

That means she gets approximately 60 cents off her order.

Tresset [83]2 years ago

7 0

Answer:

Nadia ordered 15 packs so without the discount she will spend 23.85 pound so she will have a discount of 2.5% of the total and you have to do 23.85:100=0,2385

0,2385x2,5=0,596

So she gets a discount of 0,596

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Which quadratic equation defines the function that has zeros at − 1/12 and 1/4 ?

Cerrena [4.2K]

$\bf \begin{cases}
x=-\frac{1}{2}\implies &x+\frac{1}{2}=0\\\\
x=\frac{1}{4}\implies &x-\frac{1}{4}=0
\end{cases}
\\\\\\
\left( x+\frac{1}{2} \right)\left( x-\frac{1}{4} \right)=\stackrel{y}{0}\implies \stackrel{FOIL}{x^2+\frac{1}{4}x-\frac{1}{8}}=y$

7 0

3 years ago

Use the picture for the question and the answer choices:)

soldi70 [24.7K]

Answer:

the answer is A. 3 and 8

Step-by-step explanation:

if you search up the definition of coefficient this is what you get:

co·ef·fi·cient

/ˌkōəˈfiSHənt/Submit

noun

plural noun: coefficients

MATHEMATICS

a numerical or constant quantity placed before and multiplying the variable in an algebraic expression (e.g., 4 in 4x y).

so the answer would be the 3 and the 8

i hope i helped bye!

3 0

3 years ago

Mrs.Stone is three times older than her younger daughter, Joyce, but only two times older than her older daughter, Alex. How old

olchik [2.2K]

Answer:

54 years

Step-by-step explanation:

Joyce age = x

Alex age = y

3x = 2y - - - (1)

y - 9 = 2(x - 9)

y - 9 = 2x - 18

-9 + 18 = 2x - y

9 = 2x - y

y = 2x - 9 - - (2)

3x = 2y

3x = 2(2x - 9)

3x = 4x - 18

18 = 4x - 3x

18 = x

Hence,

Mrs stone is 3 * 18 = 54 years

5 0

2 years ago

Find two numbers whos diffrence is 16 and the product is 720

antiseptic1488 [7]

Answer:

the numbers who's difference is 16 and the product is 720 is

36 &20

Explanation:

to finding numbers you have to express the equation in a quadratic equation then Factor it.

since the two numbers have a difference of 16 you can say that the first number is x and the second number is x -16 then their product is 720.

x(x-16)=720

x²-16x=720

x²-16x-720=0

(x-36)(x+20)

there are two possible value of x but since you are looking for the positive value of x, choose the positive value of x the first number is 20.

To find the second number

x-16=20

x=20+16

x=36

the second number is 36

Now to check

36-20=16

20*36=720

8 0

2 years ago

Which statement is true about the equation 2(4x + 10) = 8x + 12? A. The equation has only one solution, x = 8. B. The equation h

Amiraneli [1.4K]

Answer:

Please view this i think that is C

Step-by-step explanation:

3 0

2 years ago

Read 2 more answers

Easy percentages question but im stuck ​

Easy percentages question but im stuck