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3 years ago

SOS I NEED ANSWER RIGHT NOW SOMEONE PLEASE HELP ME :(

Mathematics

1 answer:

laila [671]3 years ago

3 0

Answer:

The functions share a y intercept of -1

Step-by-step explanation:

Both functions cross the y axis and y=-1 and x=0

They both have the same y intercept

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a triangle has a base that is 3 times longer than its height. it has a area of 486 sq cm. what is the base and height

saw5 [17]

B = 3h . . . . . . . .given by the problem statement
A = (1/2)bh . . . . formula for the area of a triangle

486 cm² = (1/2)*(3h)*h . . . substitute given information
(2/3)*486 cm² = h² . . . . . .multiply by 2/3
√324 cm = h . . . . . . . . . . . . . .take the square root

The height is 18 cm.
The base is 3*18 = 54 cm.

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2 years ago

Approximately how many degrees are in the measure of an interior angle of a regular eight sided polygon?

yan [13]

135° I think 1080( what the angles add up to) 1080÷8=135°

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3 years ago

Estimate the sums and difference of 38.12 + 12.24 and round to the nearest tenth

Alinara [238K]

Answer:

50.4

Step-by-step explanation:

38.12 + 12.24 = 50.36

6 is near 10

50.36 = 50.4

7 0

2 years ago

The graph of F(x), shown below, has the same shape as the graph of G(x) = x2, but it is shifted up 3 units. What is its equation

Aliun [14]

For this case, the parent function is given by:
$G (x) = x ^ 2
$
Applying the following transformation we have:
Vertical displacement
Assume k> 0,
To graph y = f (x) + k, move the graph k units up.
We have then:
$F (x) = G (x) + 3

F (x) = x ^ 2 + 3$
Answer:
the equation of F (x) is given by:
$F (x) = x ^ 2 + 3$

5 0

3 years ago

Write the point slope form of the equation of the line using the point (-4,-2)

Gre4nikov [31]

Answer:

$y + 2 = \frac{5}{4} (x + 4)$

Step-by-step explanation:

1) First, find the slope of the line. Take two points the line intersects and use them for the slope formula, $\frac{y_2-y_1}{x_2-x_1}$ . We already know the line intersects (-4, -2). Just choose any one of the points you can see the line intersecting (in this case, I chose (0,3)) and plug in its values, too. Then solve:

$\frac{(3)-(-2)}{(0)-(-4)} \\\frac{3+2}{0+4} \\\frac{5}{4}$

So, the slope is $\frac{5}{4}$ .

2) Now that you have the slope, plug in values for the point-slope formula, $y - y_1 = m (x - x_1)$ . In order to write a linear equation with it, the $x_1$ , $y_1$ , and $m$ have to be substituted for with real values. The $m$ represents the slope - which means that we should place $\frac{5}{4}$ there. The $x_1$ and $y_1$ represent the x and y values of a point - and the questions wants us to use (-4, -2), so substitute -4 for $x_1$ and -2 for $y_1$ :

$y-(-2) = \frac{5}{4} (x - (-4))\\y + 2 = \frac{5}{4} (x + 4)\\$

Thus, the answer is $y + 2 = \frac{5}{4} (x + 4)$ .

8 0

3 years ago