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sergeinik [125]
3 years ago
6

Evaluate the expression when b= 19 and c=5.

Mathematics
1 answer:
Over [174]3 years ago
4 0

Answer:

b+c{2} = 19 + 5^{2}

b-3c = 19 - 15

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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
2 years ago
7 1/7 - 1 9/10 estimate A 9 B 4 C 5 D 6​
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Answer:

C 5

Step-by-step explanation:

If 7 1/7 - 1 9/10 = 5 17/70

then the answer is about 5

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Put a digit in the gap, such that the answer is a whole number<br><br> 10x+11=144...
d1i1m1o1n [39]

Answer:

the answer is 1

Step-by-step explanation:

If you do 1441-11 you get 1430.

no other number gives you 0.

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A quadrilateral has exactly 2 congruent sides. Which quadrilateral types could it be? Which quadrilateral could it not be?
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It could be square, rectangle, parallelogram, rhombus/diamond but, trapezoid could not be.
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3 years ago
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