All categories

3 years ago

Need help on these math questions. please and thank u

Mathematics

1 answer:

Svetach [21]3 years ago

4 0

9514 1404 393

Answer:

a) x = -3

b) y = (28/27)x -27

Step-by-step explanation:

a) College street has a slope of 0, so is a horizontal line. 2nd Ave is perpendicular, so is a vertical line, described by an equation of the form ...

x = constant

For 2nd Ave to intersect the point (-3, 1), the constant must match that x-coordinate. The equation is ...

x = -3

b) Since Ace Rd is perpendicular to Davidson St, its slope will be the opposite reciprocal of the slope of Davidson St. The slope of Ace Rd is ...

m = -1/(-27/28) = 28/27

Using the point-slope equation for a line, we can model Ace Rd as ...

y -y1 = m(x -x1)

y -1 = (28/27)(x -27)

y = (28/27)x -27

You might be interested in

Consider the point (x,y) lying on the graph of the line 6x + 4y = 7. Let L be the distance from the point (x,y) to the origin

alukav5142 [94]

Try this solution, note, the shown way is not the shortest one.

The answer is marked with red colour.

5 0

4 years ago

8.4 × 10^31 write in expanded form how many 0’s are there

777dan777 [17]

Answer:

31 0's

Step-by-step explanation:

8.4×10000000000000000000000000000000

4 0

3 years ago

Martina has a circle with a diameter

klasskru [66]

Answer:

The ratio of the circumference to its diameter remains the same.

Step-by-step explanation:

Given,

diameter of circle = 6 inch

diameter is doubled.

New diameter of circle = 2 x 6 = 12 inch

We know that,

The Circumference of a circle is 2 π r or π d where r is the radius of the circle and d is the diameter of the circle.

Circumference of the circle when the diameter is 6 inches.

C₁ = 6π

Ratio of circumference to diameter

Ratio = $\dfrac{6\pi}{6}$

Ratio = π

When the diameter is 12 inches

C₂ = 12 π

Ratio of circumference to diameter

Ratio = $\dfrac{12\pi}{12}$

Ratio = π

Now, the correct statement is the ratio of the circumference to its diameter remains the same if the diameter is doubled.

4 0

3 years ago

Find what x is: 1/2x+4=-12

Tcecarenko [31]

Answer:

-32

Step-by-step explanation:

7 0

2 years ago

Which equation represents a line which is parallel to the line y=1/5x-5

notsponge [240]

Answer:

x+5y =30

this is random because it wont let me submit the answer unless I write 20 characters lol

7 0

3 years ago

Read 2 more answers