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3 years ago

hey guys please help me I will mark you brainliest and I’ll really appreciate it ! ( only if right) (: have a good day or night

Mathematics

1 answer:

worty [1.4K]3 years ago

8 0

I’d say it’s 2/1 since the rise is 2 and the run is 1 and slope I believe is rise/run. It’s been awhile So I’m not too sure this is the right answer. I hope it is.

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2x - 4y = -2<br>2x + 3y = 12

Iteru [2.4K]

Answer: x=3 and y=2

Your welcome

8 0

3 years ago

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il63 [147K]

2nd one is the answer

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3 years ago

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A family built a house and wanted to put down in their rectangular yard. The sod costs $0.32 per square foot plus 10 per square

sammy [17]

Answer:

The total cost of purchasing and laying sods in the rectangular yard is $2,146.67

Step-by-step explanation:

We are given the following in the question:

Dimensions of rectangular yard:

Length = 50 feet

Width = 30 feet

Area of rectangular yard =

$A = \text{Length}\times \text{Width}\\A = 50\times 30\\A = 1500\text{ square feet}$

Cost of sod = $0.32 per square foot

Total cost of sod =

$C_1 = \text{Unit cost of sod}\times \text{Area of yard}\\C_1 = 0.32\times 1500\\C_1 = 480\$$

Cost of laying sods = $10 per square yard

Total cost of laying sod =

$C_2 = \text{Unit cost of laying sod}\times \text{Area of yard}\\\\\text{1 square yard}=\dfrac{1}{9}\text{Square foot}\\\\C_2 = 10\times \dfrac{1500}{9}\\\\C_2 = 1666.67\$$

Total cost of purchasing and laying the sod =

$C = C_1 + C_2\\C = 480 +1666.67\\C = \$2,146.67$

Thus, the total cost of purchasing and laying sods in the rectangular yard is $2,146.67

3 0

3 years ago

The sequence -11, -5, 1...... is an arithmetic

Mkey [24]

Answer:

25, 31, 37

Step-by-step explanation:

1 2 3 4 5 6 7 8 9 10

-11 -5 1 7 13 19 25 31 37 43

6 6 6 6 6 6 6 6 6

25 + 31 + 37 = 93

7 0

3 years ago

1.34 x 1024<br> molecules of<br> CH, is how<br> many moles?

icang [17]

Answer:

1372.16

Step-by-step explanation:

If I am not mistaken, the answer is just 1.34*1024, which is 1372.16. Also, I assume that "moles" mean molecules.

3 0

3 years ago