The distances (y), in miles, of two cars from their starting points at certain times (x), in hours, are shown by the equations below:Car A
y = 45x + 20

Car B
y = 35x + 60

WILL UPVOTE
After how many hours will the two cars be at the same distance from their starting point and what will that distance be?

3 hours, 200 miles

3 hours, 180 miles

4 hours, 200 miles

4 hours, 180 miles

Answers

Answer 1

Answer: If you would like to find the amount of hours and the distance, you can calculate this using the following steps:

y = y
45x + 20 = 35x + 60
45x - 35x = 60 - 20
10x = 40
x = 40 / 10
x = 4 hours

y = 45x + 20 = 45 * 4 + 20 = 200 miles
y = 35x + 60 = 35 * 4 + 60 = 200 miles

The correct result would be 4 hours, 200 miles.

Answer 2

Answer:

Answer:

4 hours, 200 miles

Step-by-step explanation:

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I did too know 5678 and 9

Answers

ok so
quadrilateral-4 sides
1. not a paralellogram
A. trapezoid (1 pair of paralell sides)
2. paralellogram (2 pairs of paralell sides)
A. rectangle-4 right angles
B. rhombus-4 equal sides
C. squaer - 4 equal sides and 4 right angles (both a rhombus and rectangle)
D. kite. 2 pairs of paralell sides that are next to each other (looks like a kite)

5. 4 equal sides, no right angle: rhombus
6. 4 right angles, all sides equal legnth:squaer
7. 1 pair of paralel sides:trapezoid
8. 4 right angles:rectangle
9. if a rectangle has 4 equal sides it is technically a squaer and a rhombus
all squares are recangles and rhombuses, but not all rhombuses and rectangles are squaers

5. rhombus
6. square
7. trapezoid
8. rectangle
9. it is has 4 equal sides, then yes

A pole 3 m high has a shadow 5 m long when the shadow of a nearby building is 110 m long. How tall is the building? Which of the following proportions could be used to solve the problem? 3/110 = x/5 3/x = 110/5 x/3 = 110/5

Answers

You can use corresponding parts of the proportion as any of
(pole:building) = (pole shadow:building shadow)
(pole:pole shadow) = (building:building shadow)
or the reverse of these.

The appropriate choice is ...
x/3 = 110/5 . . . . (building:pole) = (building shadow:pole shadow)

Answer:

$(110)/(5)=(x)/(3)$

Step-by-step explanation:

Given : A pole 3 m high has a shadow 5 m long

The shadow of a nearby building is 110 m long.

To Find: How tall is the building?

Solution:

Let the height of building be x

A pole 3 m high has a shadow 5 m long

The shadow of a nearby building is 110 m long.

Height of pole and length of shadow has direct variation

So, A.T.Q

$(3)/(5)=(x)/(110)$

$(110)/(5)=(x)/(3)$

Hence Option C is correct

$(110)/(5)=(x)/(3)$

What is the perimeter of parallelogram LMNO?

Answers

Answer

80 cm

Explanation

For all parallelogram the opposites sides are parallel and equal in length.

∴ LO = 18 cm

ON = 22 cm

Perimeter is the distance all round a figure.

∴ Perimeter = 22 + 18 + 22 + 18

= 80 cm

80 cm should be your answer

A car has a maximum speed of 341.7 feet/second. Convert this speed to miles/hours.

Answers

341.7 feet per second = 232.98 miles per hour (rounded)

Just multiply measure in ft/s by 0.6818 to get mi/h

341.7 x 0.6818 = 232.97 mi/h

A juice pitcher holds 1.5 gallons of liquid. How many 8-ounce glasses of juice can be poured from a full pitcher? (1 gallon = 128 ounces) explain by describing the steps you uses to solve the problem.

Answers

$1gallon=128ounces\nTo\ receive\ volume\ of\ pitcher\ in\ onces\ we\ need\ to\ multiply\ its\nvolume\ in\ gallons\ by\ ounces\ in\ 1\ gallon.\n1,5g=1,5*128=192o\nNow\ to\ receive\ answer\ we\ need\ to\ divide\ volume\ of\ pitcher\ in\nounces\ by\ volume\ of\ glass.\n192:8=24\n\nWe\ need\ to\ 24\ glasses.$

The price of a flight was increased by 2% to £700. What was the price before the increase? Give your answer to the nearest penny.

Answers

Answer:

$686.27

Step-by-step explanation:

700$=102% so the price before the increase was 100%

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