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3 years ago

NEED HELP ASAP !!!!!

Mathematics

2 answers:

scoundrel [369]3 years ago

7 0

Answer:

Step-by-step explanation:

The solutions are at the points of intersection of the straight line and the circle.

Since the line intersects the circle at 2 points

Then there are 2 solutions → D

Gwar [14]3 years ago

4 0

Answer:

Step-by-step explanation:

It would have zero because the circle and line never interesect the x-axis together.

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3 years ago

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Consider the line y = 4x + 9. If a second line is perpendicular to this one, what is its slope?

mart [117]

Answer:

Step-by-step explanation:

slope of line perpendicular to y=mx+c is -1/m

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3 years ago

I need help please I need help right now ????

katrin [286]

Answer:

x ≈ 36.1

Step-by-step explanation:

Using the tangent ratio in the right triangle

tan61° = $\frac{opposite}{adjacent}$ = $\frac{x}{20}$ ( multiply both sides by 20 )

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3 years ago

Plot and connect the following points: P(1, −4), Q(5, −2), R(9, −4), S(7, −8), and T(3, −8). Give the best name for the polygon,

Citrus2011 [14]

Answer:

The area of the pentagon is = 31.5

Step-by-step explanation:

First, we determine the perimeter of the "Pentagon" drawn in the attachment:

$p=4+4+4+4.5+4.5=21$

Now, we'll check the formula for pentagons:

$a=\frac{perimeter x apothem}{2}$

we calculate the apothem by placing a 90° angle in one of the sides of the shape. It is equal to:

apothem=3

then, we can substitute the values in the formula

$a=\frac{21(perimeter) x 3(apothem)}{2} =\frac{63}{2} =31 \frac{1}{2} or 31.5$

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3 years ago

Banners at the school store were on sale for $3 off the rugular price. Louis brought 4 banners on sale and paid a total of $18.

Naddik [55]

Answer:

$7.50

Step-by-step explanation:

4 x 3.00 = $12.00 3.00 off the regular price makes it 12.00 for all the banners

12.00 + 18.00 = 30.00 you add the sale price with the 12.00 to get the total of each banner before the store gave the sale price.

30.00 divide by 4 = 7.50 to find out what the regular price of the banner you divide by the total of banners you bought to get the price of each banner before the sale.

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3 years ago