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seropon [69]
3 years ago
14

Plssssss help meee...

Mathematics
1 answer:
pogonyaev3 years ago
3 0

Answer: PQR=32

Step-by-step explanation:

RQS+PQR=PQS

(4x+4)+(3x-1)=80

7x+3=80

7x=77

x=11

PQR=(3x-1)=> (3(11)-1) => 33-1=32

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The cost of a student ticket is $7 write a equation that correctly relates the total cost
daser333 [38]
X=$7  |  1 Ticket= x  |  1 Ticket = $7
6 0
4 years ago
In an aquarium, there are 10 large fish and 5 small fish. Half of the large fish are red. One fish is selected at random. Find t
valkas [14]
Large fish:10
Small fish: 5
Total: 15
Large fish with red: 5
Probability: 5/15 or 1/3 or 33.333333%

Please mark brainliest if this helped
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6 0
3 years ago
Maria Addai has been offered a future payment of $990 two years from now. If she can earn 8.2 percent compounded annually on her
IgorLugansk [536]

Answer:

845.6306

Step-by-step explanation:

Firstly this is annuity based

Let, investment at beginning of year = <em>x</em>

Then value at year 1 end = x + (8.2% \times x)

Value at end of year 2 = (x + 0.082x) + (8.2% \times (x + 0.082x))

Now this value = $990

Therefore,

990 =  (x + 0.082x) + ((x + 0.082x) \times 8.2%)

990 = x + 0.082x + 0.082x + 0.006724x = 1.170724x

x = 990/1.170724 = 845.6306

3 0
3 years ago
Read 2 more answers
Please help me! I am very confused
Sphinxa [80]

Answer:

1) 22.5  A

2) 112    B

3) 430   L

4) 576   P

5) 486   L

6) 624  S

Code is A B L P L S

Step-by-step explanation:

1) Area of a triangle = 1/2 * base * height = 1/2 *5*9 = 22.5

2) Area of a parallelogram = base x height = 14 x 8 = 112

3) Area of a rectangular prism = 2(length * width) + 2*(length + height) + 2 *(length *height)

= 2(15x7 + 15*5 + 7*5)

= 2(105 + 75 + 35)

= 2 * 215

= 430

4) Volume of a triangular prism = 1/2 * base * length * height

= 1/2 * 8 * 16 * 9

= 576

5) A cube has six surfaces. Each surface has an area of s x s where s is the length of each side. In this case, each side has area of 9x9 = 81. Total surface area = 6 x 81 = 486 and that is the paper required

6) The trailer is a rectangular prism so its volume = length x width x height = 13 6 x 8 = 624

Now you have to look at each value and see which letter it corresponds to. For example answer 1) is 22.5 which lies between 0-100 so it gets letter A, answer (2) is 112 which lies in the range 101-200 so it gets the letter B and so on

4 0
2 years ago
(2a-4a2+8)+(5a2 -5a+6)
lana [24]
A^2-3a+14 is the answer :)
8 0
3 years ago
Read 2 more answers
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