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katrin [286]
3 years ago
10

Each group of three digits separated by commas in a multi digit number

Mathematics
1 answer:
ratelena [41]3 years ago
6 0
You didn't ask a question but its called a period
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stephanie and jenny each improved their yards by planting rose bushes and geraniums. they bought their supplies from the same st
galina1969 [7]

Answer:

The cost of one rose is $11., and the cost of one geranium is $5.

Step-by-step explanation:

The cost of one rose bush and one geranium can be determined by the use of simultaneous equation. Let the cost of a rose bush be represented by x, and the cost of one geranium by y.

So that,

13x + y = 148 .............. 1

9x + 14 y = 169 ............... 2

From eqaution 1,

y = 148 - 13x ............... 3

substitute the value of y in equation 2

9x + 14(148 - 13x) = 169

9x + 2072 - 182x = 169

2072 - 169 = 182x - 9x

1903 = 173x

x = \frac{1903}{173}

  = 11

x = 11

substitute the value of x in equation 3

y = 148 - 13x

  = 148 - 13(11)

  = 148 - 143

y = 5

x = 11, y = 5

Thus, the cost of one rose is $11., and the cost of one geranium is $5.

3 0
3 years ago
Work out the volume of this sphere.<br> Give your answer to 1 decimal place.<br> 4.7 cm
Dmitry [639]

Answer:

434.9 cm³

Step-by-step explanation:

Volume of a sphere: 4/3πr³

Substitute the information to find the volume.

4/3π(4.7)³ = 434.9

7 0
3 years ago
Please help! This is a big part of my grade. I will give brainliest.
Lynna [10]

Answer:

8658 ft.

Step-by-step explanation:

Volume= length*width*height

rectangle= 21*18*13= 4914

triangle= 16*18*13= 3744

4914+3744=8658

8 0
3 years ago
PLZ HELP DUE IN 3 MINUTES!!!!
stepan [7]

Answer:

a1) 65

a2) 25

a3) 45

Step-by-step explanation:

all triangle equal to 180

7 0
2 years ago
Read 2 more answers
210=157-w<br><br> solve for w
cestrela7 [59]
W=367 because 210+157 is 367 so 367 minus 157 would be 210 so I think w=367. The equation is just written backwards
3 0
3 years ago
Read 2 more answers
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