3 years ago

I do not know how to solve this

Mathematics

1 answer:

Sav [38]3 years ago

6 0

I need more information to be able to answer

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Domino's offers the following “deals”:

tia_tia [17]

Answer: Deal one: 5x+10

Deal two: 6x

3 0

3 years ago

Please answer this question I need it i. Vertex and standard form.

Brums [2.3K]

Equation :

This parabola is facing downwards and highest point of the parabola is it's vertex.

Highest point is (-2,2)

so the vertex is (-2,2)

The graph is passing through (-1,0)

Equation in vertex form is

$y = a(x - h) {}^{2} + k$

$0 = a( - 1 + 2) {}^{2} + 2 \\ 0 =a (1) {}^{2} +2 \\ 0 = a + 2 \\ a = - 2$

Substitute back in Equation

$y = - 2(x + 2) {}^{2} + 2$

the graph has two x intercepts -1 and -3

that means (x+1) and (x+3) are the factors

multiply factors to get the equation in standard form

$-2(x + 1)(x + 3) = 0 \\ -2(x {}^{2} + x + 3x + 3) = 0 \\ -2( x {}^{2} + 4x + 3) = 0$

-2x^2-8x-6=0

4 0

2 years ago

What is the annual interest rate if $1600 is invested for 6 years and $456 in interest is earned

sergij07 [2.7K]

Use the formula i = p*r*t:
$456
$456 = $1600*r*6. Solving for r, r = ----------------- = 0.0475, or 4 3/4%
($1600)(6)

6 0

3 years ago

A principal of $4700 is invested at 3% interest, compounded annually. How many years will it take to accumulate $6000 or more in

mafiozo [28]

9 years because if you do 4700 * 1.03= 4831 now do that 9 times you get 6,132.43

4 0

2 years ago

The price of a car devaluated from 3500 to 2700 what is the percent of decrease of the car

Nata [24]

Answer:

The price of the car decrease 22.86 %

Step-by-step explanation:

(3500-2700) / 3500 = 0.22857 *100%

3 0

3 years ago

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