3 years ago

Picture BELOW thanks in advance

Mathematics

1 answer:

Scilla [17]3 years ago

4 0

Uhhhhhhhh wutttttttt

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Delaney is saving money in an account that offers 9% simple interest. She deposits 2000 from her grandmother into the account an

Brrunno [24]

Answer:

15years

Step-by-step explanation:

Given data

Rate= 9%

Principal= $2000

Final amount= $4700

The simple interest formula is given as

A= P(1+rt)

Substitute

4700=2000(1+0.09*t)

4700= 2000+ 180t

4700-2000= 180t

2700=180t

t= 2700/180

t= 15 years

Hence the time is 15years

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3 years ago

Quadratic equation. Find the value of m so that the roots of the equation (4 - m) x^2 + (2m + 4)x + (8m + 1) = 0 may be equal.

nikitadnepr [17]

The quadratic has one root with multiplicity 2 if the discriminant is 0, which is

$(2m+4)^2-4(4-m)(8m+1)$

(That is, for a quadratic $ax^2+bx+c$ , the discriminant is $b^2-4ac$ .)

Set the discriminant equal to 0 and solve for $m$ :

$(2m+4)^2-4(4-m)(8m+1)=0$

$4m^2+16m+16+32m^2-124m-16=0$

$36m^2-108=0$

$36m(m-3)=0$

$\implies m=0\text{ or }m=3$

8 0

3 years ago

The cost to make a path connecting all four landmarks is based on the proposal shown. The cost of path A is $29. The cost of pat

Alik [6]

Answer:

158

Step-by-step explanation:

8 0

2 years ago

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Percent between 230.59 and 243.24

yaroslaw [1]

All we have to do here is subtract 243.24 from 230.59 to get our percentage.
243.24 - 230.59 = 12.65%

3 0

3 years ago

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I need help please help

Bumek [7]

Answer:

:) good day mate

Step-by-step explanation:

:) indeed

6 0

3 years ago