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Vaselesa [24]
3 years ago
13

PLEASE HELP - QUIZ

Mathematics
1 answer:
Fittoniya [83]3 years ago
5 0

Answer:

257.24 yd^2

Step-by-step explanation:

I made a video explaining, I promise it’s not anything unrelated to the question. Here it is: https://youtu.be/jHVtTCYzmzI

You might be interested in
5-2(9) +9²÷3 please help me ​
vlada-n [284]

Answer:

5 - 2 x 9 + 9^2 divided by 3

5 - 2 x 9 + 81 divided by 3

5 - 18 + 81 divided by 3

5 - 18 + 27

-13  + 27

14

Using PEMDAS:

Parenthesis First

Exponents

Divide or Multiply

Add or subtract

7 0
3 years ago
Please help me with this
Alex787 [66]
Im srry i cant help with that because K12 will not let me look up answers i bet
6 0
3 years ago
What are the solutions to the following system of equations?
belka [17]

Answer:

D. no real answer

Step-by-step explanation:

8x-y=10 then y=8x-10

y = {x}^{2}  + 12x + 30 = 8x - 10

{x}^{2}  + 4x + 40 = 0

it's a grade 2 equation, it has no real answer

because

{4}^{2}  - 4(1)(40) =  - 144 < 0

3 0
3 years ago
Read 2 more answers
A rod 123.75 cm long is sawn into 16 equal lengths. If a wastage takes place of ¼ cm for each saw cut, what is the length of eac
Stells [14]

Answer:

7.5 cm

Step-by-step explanation:

A rod 123.75 cm long is sawn into 16 equal lengths.

The length of each rod is calculated as:

123.75cm/16 =

= 7.734375cm

If a wastage takes place of ¼ cm for each saw cut,

The length of each piece is calculated as:

7.734375cm - 1/4 cm

7.734375cm − 0.25 cm

7.484375cm

Approximately = 7.5 cm

Therefore, the length of each piece = 7.5 cm

7 0
3 years ago
Alicia, Quentin, and Rosalyn are siblings. Alicia is the oldest sibling. Quentin is four years younger than Alicia. Rosalyn is t
tatiyna

Answer:

Alicia is 18years

Quentin is 14years

Rosalyn is 16years

Step-by-step explanation:

Let the age of Alicia be x

Let the age of Quentin be y

Let the age of Rosalyn be z

If the sum of the siblings’ ages, in years, is 48 then;

x+y+z = 48.... 1

If Rosalyn is two years older than Quentin then;

z =y+2 ..... 2

Also if Quentin is four years younger than Alicia then;

y = x-4 ... 3

From 3:

x = y+4 ... 4

Substitute 2 and 4 into 1 to have:

y+4+y+y+2 = 48

3y + 6= 48

3y = 48-6

3y= 42

y = 14

Since x= y+4

x = 14+4

x = 18

Since z = y+2

z = 14+2

z = 16year

This means that;

Alicia is 18years

Quentin is 14years

Rosalyn is 16years

6 0
3 years ago
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