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3 years ago

Pls help asap no wrong answers------------

Mathematics

1 answer:

miv72 [106K]3 years ago

6 0

Answer:

0.75, 1.25

Step-by-step explanation:

first we bring the line equation into the same format as the parabola equation (y = ...)

3x - y = 1

y = 3x - 1

now we can say for the intersection points both equations must have the same result.

4x² - 1 = 3x - 1

4x² - 3x = 0

x(4x - 3) = 0

there are only 2 possible cases to make this true :

x = 0

and 4x - 3 = 0

4x = 3

x = 3/4 = 0.75

for the y value let's use the easier equation (line) :

y = 3×3/4 - 1 = 9/4 - 4/4 = 5/4 = 1.25

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3 years ago

A lies on a bearing of 040° from B. Calculate the bearing of B from A.

Nimfa-mama [501]

Answer:

220°

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4 0

3 years ago

Can someone help me with this please

larisa86 [58]

The correct answer is: [D]: " 576π cm³ " .

____________________________________________________

Explanation:

____________________________________________________

Use the formula for the volume, "V", of a cylinder, to find the volume of the given cylinder:

____________________________________________________

V = π r² h ;

in which:

V = volume (for which we shall solve).

π = π ; All the answer choices given are in terms of 'π' ;

r = radius = 6 cm (given);

h = height = 16 cm (given);

__________________________________________________________

Plug in these values into the formula to solve for the volume, "V" :

V = π r² h

= π * (6 cm)² * (16 cm) ;

= π * (6²) * (cm²) * (16 cm) ;

= π * (6*6) * 16 * cm³ ;

= π * (36) * 16 * cm³ ;

= π * (36 * 16) * cm³

___________________________________________________________

V = 576 π cm³ ; which is: Answer choice: [D]: " 576π cm³ " .

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4 0

3 years ago

Lily use the equation 9 × 3 equals 27 to solve a problem which problem could Lily have salt

Svetlanka [38]

That would be C

A is 9 - 3 = 6

B is 9 / 3 = 3

D is 9 + 3 = 12

So remaining option would be C.

Hope this helps.

6 0

3 years ago

8 t-shirts and 5 pairs of pants cost $220 how much does each t-shirt and pair of pants cost

Yakvenalex [24]

Hey, It looks like you're in Algebra and I'm here to give the best solution I can!

To write the equation, you are going to use the Standard Form. Standard Form is one way of solving this problem, and it is used to find the x,and y-intercepts of a problem.
Standard Form can be written using the equation ax+by=c

In your problem, you will write the equation like so, with 'x' representing T-Shirts, and 'y' representing pants:

8x+5y=220
Now, in order to find the x-intercept you need to substitute a 0 for the 'y' variable and solve the new equation, 8x=220.
I'm sure you know you need to divide both sides by 8 which will give you the answer x=27.5.

Now, in order to find 'y' you would substitute a 0 for the 'x' variable which will give you an equation that should look like 5y=220.
Then, divided both sides by 5 to get your y-intercept.
y=44

Finally,you know that each T-Shirt (x) is $27.50, and each pair of pants(y)costs $44

-I hope this helped you, Sincerely, Auhrevo!

6 0

4 years ago