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Genrish500 [490]
3 years ago
9

Please help with the main question in the middle pleaseeee

Mathematics
2 answers:
valina [46]3 years ago
6 0

Answer:

my addvice to you is ask your parent or teatch im sure they could give you a clou!

Step-by-step explanation:


Roman55 [17]3 years ago
3 0

Answer:

3x^2 - 5x + 1  (Option A).

Step-by-step explanation:

The a b and c in the formula relate to the letters in ax^2 + bx + c.

Comparing the 2 formula on the first line of the question:-

We see that b = -5 , a = 3 and  c = 1.

So its 3x^2 - 5x + 1  (Option A).

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Multiply and answer in scientific notation:
saveliy_v [14]

Answer:

50000000000 if your combining them both or if separate Q1: 25000000 Q2: 2000

Step-by-step explanation:

2.5(10^7)(2(10^3))

=25000000*2000

=2.5*10000000*2*1000

=(2.5*2)*(10000000*1000)

=5*10000000000

=50000000000

If separate:

question 1:

2.5(107)

=2.5*107

=2.5*(10*10*10*10*10*10*10)

=25000000

question 2:

2(103)

=2*103

=2*(10*10*10)

=2000

I hope this helps!

6 0
3 years ago
The school band will sell pizzas to raise money for new uniforms. The supplier charges $143 plus $5 per
aev [14]

Answer:

7 x > 4 x + 100

7 x - 4 x > 100

3 x > 100

x > 100 : 3

x > 33.33

Answer: they have to sell 34 pizzas to make a profit.

Step-by-step explanation:

6 0
3 years ago
Exact length of line segment xy
netineya [11]
length=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}
4 0
3 years ago
Answer it and show your work. Which letter choice is it.
ivanzaharov [21]

Answer:

b = 55 degrees

Step-by-step explanation:

The angles 30, a, b and 45 must sum up to 180 degrees

Subtracting (30 + 45) from both sides leaves us with a + b = 105 degrees.

But b = a + 5.  Substituting a + 5 in the equation above yields

a + a + 5 = 105 degrees, so that

2a = 100 degrees, and a = 50 degrees.  Then b = a + 5, or b = 55 degrees.

7 0
3 years ago
. 4/18 times 2/92. 1/9 times 3/63. 12/14 times 1/84.1/7 times 5/65. 17/20 times 1/61. 4 1/4 times 3 1/22. 3 5/6 times 4 1/23. 2
AlladinOne [14]

Answer:

Step-by-step explanation:

4/18×2/92

=1/9×1/23

=1/207

1/9×3/63

=1/3×1/23

=1/69

12/14×1/84

=1/14×1/7

=1/98

1/7×5/65

=1/7×1/13

=1/91

17/20×1/61

=17/1220

4 1/4 ×3 1/22

=17/4×67/22

=1,139/88

=12 83/88

3 5/6×4 1/23

=23/6×93/23

=93/6

=15 3/6

=15 1/2

2 1/2×4 7/84

=5/2×343/84

=1715/168

=10 35/168

I have answered more than 2 from each set

6 0
3 years ago
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