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2 years ago

11

HELP WITH THIS PLEASE I DONR UNDERSTAND AND PROVIDE EXPLANATIONS IF YOU CAN!!

1 answer:

marin [14]2 years ago

8 0

Answer:

x-int = (1,0)

y-int = (0,4)

Step-by-step explanation:

For the x-intercept, you see that there is a dot indicating that x = 1. So, since the dot is on the line, the y-axis is 0, (1,0).
Then for the y-intercept, you see that there is a dot on the y-axis which means y = 4. So, since the dot is on the line, the x-axis is 0 instead of the y-axis, (0,4).

Hope this helped you and you get it right. I really care about your understanding of it ^^

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Calculate the unknown sides and angles of the triangle ABC given.

creativ13 [48]

<h3>Answer:</h3><h3>See below</h3>

Step-by-step explanation:

<h3>to understand this</h3><h3>you need to know about:</h3>

law of sine
law of cosine
PEMDAS

<h3>let's solve:</h3>

there are 3 ways to solve SAS triangle

use The Law of Cosines to calculate the unknown side,
then use The Law of Sines to find the smaller of the other two angles
and then use the three angles add to 180° to find the last angle.

first figure out $\angle C$

to do so we will use the formula of law of cosine of C angle

${c}^{2} = {a}^{2} + {b}^{2} - 2ab.\cos(C)$

substitute the given values of a,b and $\angle C$

$\sf{c}^{2} = {6 }^{2} + {3.5}^{2} - 2.6.(3.5). \cos( {25.7}^{ \circ} )$

simplify squares:

$c^{2}=36+12.25-42.\cos(25.7^{\circ})$

simplify addition:

$c^{2}=48.25-42.\cos(25.7^{\circ})$

square root both sides

$\sf \: \sqrt{ {c}^{2} } = \sqrt{ 48.25-42. \cos(25.7^{\circ})}$

simplify:

therefore

$\bold{c=3.23}$

use law of sine to figure out angle A

$\dfrac{6}{\sin( \angle \: A) } = \dfrac{3.23}{\sin(25.7)}$

therefore

$\bold{\angle A=53.66°}$ (use calculater to simplify it)

therefore

$\angle B\: is\: 180^{o}-25.70^{o}-53.66^{o}$

$\bold{= 100.64}$

4 0

3 years ago

Y=4x-3; A(5,17) Use substitution to determine whether the point is on the line.

almond37 [142]

Answer:

the point is on the line

Step-by-step explanation:

The ordered pair gives the values of (x, y). Put those values in the equation and see if it is true:

y = 4x -3

17 = 4(5) -3 = 20 -3 . . . . . . for (x, y) = (5, 17)

17 = 17 . . . . true, the point is on the line

6 0

3 years ago

if Leah makes $9.50 per hour and she works 36 hours this week, how much will her paycheck be before taxes?

Dafna11 [192]

Answer:

Leah makes $342 before tax.

Step-by-step explanation:

9.50 x 36 = 342

Leah makes $342 before tax.

I hope this helped and if it did I would appreciate it if you marked me Brainliest. Thank you and have a nice day!

3 0

3 years ago

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A car dealership is having a sale where all cars have a 12% discount. What is the discounted price of a car that originally cost

Yuliya22 [10]

Answer:

show us a photo

Step-by-step explanation:

3 0

3 years ago

I nEED HELP HIRRY WITH EXPLANATION PLS PLS

RSB [31]

The missing angle would be 35 degrees. The straight line adds up to 180 and the right angle would be 90 degrees. 180-90-55 would be 35.

5 0

3 years ago