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3 years ago

Given that a = 2,5= 2 and C = -1 work out 2b – 3ac

Mathematics

1 answer:

poizon [28]3 years ago

6 0

Step-by-step explanation:

2b-3ac

=2×2-3×2×(-1)

= 4+6

=10

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Sean and sarah spend $70 a month eating out how much money would they have after 15 years if they invested the money instead at

SpyIntel [72]

Answer:

Future Value= $17,170.12

Step-by-step explanation:

Giving the following information:

Monthly deposit (A)= $70

Interest rate (i)= 0.04/12= 0.0033

Number of periods (n)= 15*12= 180 months

<u>To calculate the future value (amount saved), we need to use the following formula:</u>

FV= {A*[(1+i)^n-1]}/i

A= monthly deposit

FV= {70*[(1.0033^180) - 1]} / 0.0033

FV= $17,170.12

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3 years ago

Que es un variable? (De matemáticas)

dsp73

Answer:

$\huge\boxed{Que \ es \ un \ variable \ ?\hookleftarrow}$

✐ En matemáticas, una variable es un símbolo que funciona como marcador de posición para expresiones o cantidades que pueden variar o cambiar; se utiliza a menudo para representar el argumento de una función o un elemento arbitrario de un conjunto. Además de los números, las variables se utilizan comúnmente para representar vectores, matrices y funciones.

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2 years ago

Graph the image of square CDEF after a dilation with a scale factor of 2, centered at the

Likurg_2 [28]

Answer:

Image attached

Step-by-step explanation:

Origin looks to be (0, -1), so move each point out by 2

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3 years ago

Draw a 6 × 6 grid. Colour 1

attashe74 [19]

Answer:

Step-by-step explanation:

there are 36 squares

red takes 1 of 4 so red has 9

blue takes 1 of 3 so blue has 12

5 of 12 of the grid is yellow

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3 years ago

The parabola below is a graph of the equation, -y+x=-4. Which of the points satisfy the inequality, -y+x ≤ -4 ? Check all that a

Bad White [126]

POINTED 6 CAYUSE ISV VERTICVAL

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3 years ago