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3 years ago

Reflection on cordinate planes

Mathematics

1 answer:

trapecia [35]3 years ago

7 0

(Problems 1b and 2b are cut off in the photo)

1a Problem:

(-3,1)
(-3,5)
(-7,1)

2a Problem:

(6,2)
(3,5)
(10,7)

*Psst, I need one more brainliest answer to rank up, so if you gave that to me, it would be very appreciated, thanks :)*

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A bag of sweets contains mints and toffees only.There are 21 mints in the bag.One quarter of the sweets are toffees.Calculate th

Vedmedyk [2.9K]

Answer:

Total number of sweets in the bag is 28

Step-by-step explanation:

let the total number of sweets in the bag be x :

${ \tt{for \: toffees : }} \\ \frac{1}{4} \: of \: x$

therefore fraction of mints = 1 - fraction of toffees :

$= \frac{4}{4} - \frac{1}{4} \\ \\ = \frac{3}{4}$

therefore:

$= > \frac{3}{4} \: of \: x = 21 \: mints \\ \\ \frac{3}{4} \times x = 21 \\ 3x = 21 \times 4 \\ x = \frac{21 \times 4}{3} \\ x = 28$

total sweets number is 28

5 0

3 years ago

A steel cargo container is shaped like a cube measuring 5.2 ft on each edge how much steel is needed to make this container? Sho

bearhunter [10]

Answer:

162.24 ft

Step-by-step explanation:

So you first find the area of one side.

5.2 x 5.2 = 27.4

Then you times it by 6, because a cube has 6 sides.

27.4 x 6 = 162.24 ft

6 0

4 years ago

Eric traveled to two cities on a single highway. The total distance one way was 200 miles. The distance from his original locati

drek231 [11]

Equation (1) x + y = 200

Eauation (2) x = y - 40

x represents the distance from the original location to the firstt city

y represents the distance from the first city to the second city.

Solution:

(1) x + y = 200

(2) x - y = - 40
----------------------

2x = 200 - 40

2x = 160

x = 160 / 2

x = 80

x + y = 200 => y = 200 - x = 200 - 80 = 120

Therefore the solution (x,y) is (80,120)

Answer: the pair of coordinates that represents the solution (in miles) to this system of equations is (80, 120)

6 0

4 years ago

ian invested $2500 in an investment vehical that would guarantee to earn 4% intrest yearly. the function for this is A(t)=2500(1

BartSMP [9]

A ( t ) = 2500 * (1.04) ^t
A ( t ) = 5000
5000 = 2500 * (1.04)^t
( 1.04 ) ^t = 5000 : 2500
(1.04)^t = 2
t = 17.68 ≈ 18
The value of t is 18 years.

7 0

3 years ago

Peyton has 5/8 of pumpkin pie left over from thanksgiving. She eats 1/8 of the pie and her friend joy eats 1/6 of the pie. How m

neonofarm [45]

Answer:

1/3

Step-by-step explanation:

Left over pie=5/8

Payton eats=1/8 of the left over pie

Joy eats =1/6 of the left over pie

Total pie eaten by Payton and joy= 1/8+1/6

To add the fraction,

Find the lowest common multiple of 6 and 8 which is 48

Then,

divide 48 by 8 multiplied by 1 which is 6,

divide 48 by 6 multiplied by 1 which is 8

We have,

=6+8/48

=14/48

=7/24

Total pie eaten by Peyton and joy=7/24

Total pie left(after Peyton and joy share)= Total left over- total pie eaten by Peyton and joy

=5/8-7/24

=15-7/24

=8/24

=1/3

8 0

3 years ago