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3 years ago

5

Factor the following: 5∙(a+3)^2-(a+3)

1 answer:

Zanzabum3 years ago

3 0

Answer:

(a+3)(5a+14)

Step-by-step explanation:

Factor the polynomial.

(a+3)(5a+14)

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Solve using substitution y = -4x + 10 y = -x + 1. <br>will give brainleist if correct<br>

gayaneshka [121]

Answer:

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Step-by-step explanation:

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2 years ago

Estimates show that there are 1.4*10^8 pet fish and 9.4*10^6 pet reptiles in the United States.

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$\bf \stackrel{fish}{1.4\times 10^8}~~+~~\stackrel{reptiles}{9.4\times 10^6}
\\\\\\
\stackrel{fish}{140000000}~~+~~\stackrel{reptiles}{9400000}\implies 
\begin{array}{rrrrllll}
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5 0

3 years ago

It is recommended that an adult drink 64 fluid ounces of water everyday Josie has already consumed 700 mL of water how many more

katen-ka-za [31]

Answer:

1.2 litres more water should Josie drink.

Step-by-step explanation:

As given

It is recommended that an adult drink 64 fluid ounces of water everyday .

As given

1 ounce = 0.0296 litre .

Now convert 64 ounces into litre.

64 ounce = 64 × 0.0296

= 1.9 litres (Approx)

As

1 litre = 1000 ml

$1\ ml= \frac{1}{1000}\ litre$

Now convert 700 ml into litre.

$700\ ml= \frac{700}{1000}\ litre$

$700\ ml= \frac{7}{10}\ litre$

700 ml = 0 .7 litre

Thus

Recommended amount of water a adult should drink = Amount of water Josie already consumed + More water should Josie drink.

Putting the value

1.9 litres = 0 .7 litres + More water should Josie drink.

More water should Josie drink = 1.9 - 0.7

More water should Josie drink = 1.2 litres .

Therefore 1.2 litres more water should Josie drink.

8 0

3 years ago

A line passes through the points (-6, 4) and (-2, 2). Which is the equation of the line?

cupoosta [38]

Answer:

$\displaystyle y=-\frac{1}{2}x+1$

Step-by-step explanation:

The equation of any line in slope-intercept form is:

y=mx+b

Being m the slope and b the y-intercept.

Assume we know the line passes through points A(x1,y1) and B(x2,y2). The slope can be calculated with the equation:

$\displaystyle m=\frac{y_2-y_1}{x_2-x_1}$

Two points are given: (-6,4) and (-2,2). Calculating the slope:

$\displaystyle m=\frac{2-4}{-2+6}=\frac{-2}{4}=-\frac{1}{2}$

The equation of the line is, so far:

$\displaystyle y=-\frac{1}{2}x+b$

To calculate the value of b, we use any of the given points, for example (-6,4):

$\displaystyle 4=-\frac{1}{2}(-6)+b$

$\displaystyle 4=3+b$

Solving:

b = 1

The equation of the line is:

$\boxed{\displaystyle y=-\frac{1}{2}x+1}$

We can see none of the choices is correct.

8 0

3 years ago