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weeeeeb [17]
3 years ago
14

3х - 8y = 24 у = х - 8​

Mathematics
1 answer:
zaharov [31]3 years ago
8 0

Answer:

the answer is x= 8, y= 0

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Pam is taking a train from the town of Rome to the town of Florence. Rome is located 40 miles due west of the town of Paris. Flo
tankabanditka [31]

Answer:

Pan is closest to Paris when she gets to Florence when she is 35 miles away

Step-by-step explanation:

With Paris at (0,0), Rome is 40miles west which is on the negative x axis.

Florence is 35 miles closer (east to Paris) so we have -45 + 35 = -10

and 55 mikes north of Rome which is on the positive y-axis. So Florence is at point (-10,55)

The distance between the two points Florence and Paris is √(x2 - x1)^2 + (y2 - y1)^2

x1 = 0, y1 = 0

x2 = -10, y2 = 55

So we have

√(-10-0)^2 + (55-0)^2

= √(-10)^2 + (55)^2

= √ 100 + 3025

= √3125

= 55.9 mikes from Paris

Pam is closest to Paris when she gets to Florence when she is 35 miles away

3 0
3 years ago
Mrs. Dugan plans to serve 100 barbecue sandwiches at the campany picnic. How many packages of barbecue buns will she need if bun
wel

Answer:

For packages of 8 =

Each package of Buns contain 8 pieces.

Therefore 100 barbecue will be contained in 100/8 = 12.5 packages

For packages of 12 =

Each package of Buns contain 12 pieces.

Therefore 100 barbecue will be contained in 100/12 = 8.3 packages

4 0
3 years ago
If ABCD is a rectangle, calculate x as a function of α
Yanka [14]

Answer:

Step-by-step explanation:

The length of this triangle is 10 squares

and the width is 4 squares

The diagonals divide the rectangle into four triangles

These traingles are isoceles

Each two triangles facing each others are identical

<B = 90 degree

B = alpha + Beta

Let Beta be the angle next alpha

The segment that is crossing Beta is its bisector since it perpendicular to the diagonals wich means that:

Beta = 2x

Then B = alpha + 2x

90 = alpha +2x

90-alpha = 2x

x = (90-alpha)/2

4 0
3 years ago
Read 2 more answers
A rectangular park has an area of 250 square feet. The length of the park is 7 feet more then twice the width, w of the park. Wh
Andru [333]


Area = length * width

width = w

length = 2w+7

A = (2w+7) * w

250 =2w^2+7w

0 = 2w^2 +7w-250

5 0
3 years ago
Read 2 more answers
Please help me with this math problem!! Will give brainliest!! :)
aleksandrvk [35]

Answer:

-3

Step-by-step explanation:

(fg)(-1) is just f(-1) * g(-1). From the graph on the left, we can see that f(-1) is 1, since (-1,1) is on the graph. From the graph on the tight, we can see that g(-1) is -3, since (-1,-3) is on the graph. Now, we just have to multiply 1 and -3: 1*-3 = -3

8 0
2 years ago
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