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lana66690 [7]
2 years ago
8

49 ÷ 7 =

Mathematics
2 answers:
mario62 [17]2 years ago
5 0

Answer:

7

32

17

36

97

11

43

31

12

32

42

9

78

98

10

8

76

59

8

75

Step-by-step explanation:

going straight down from the top

alexgriva [62]2 years ago
4 0

Answer:

use pemdas

Step-by-step explanation:

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Solve 2x^2+x-4=0<br> X^2+_×+_=0
natima [27]

Answer:

Hopes it helps

Step-by-step explanation:

The Quadratic Polynomial is

2 x² +x -4=0

Using the Determinant method to find the roots of this equation

For, the Quadratic equation , ax²+ b x+c=0

(b) x²+x=0

x × (x+1)=0

x=0  ∧ x+1=0

x=0     ∧   x= -1

You can look the problem in other way

the two Quadratic polynomials are

2 x²+x-4=0, ∧ x²+x=0

x²= -x

So, 2 x²+x-4=0,

→ -2 x+x-4=0

→ -x -4=0

→x= -4

∨

x² +x² +x-4=0

x²+0-4=0→→x²+x=0

→x²=4

x=√4

x=2 ∧ x=-2

As, you will put these values into the equation, you will find that these values does not satisfy both the equations.

So, there is no solution.

You can solve these two equation graphically also.

3 0
2 years ago
1. what two things need to be true in order to add/subtract two radicals ?
Novay_Z [31]

Answer: 1. To add or subtract radicals, the indices and what is inside the radical (called the radicand) must be exactly the same. If the indices and radicands are the same, then add or subtract the terms in front of each like radical. If the indices or radicands are not the same, then you can not add or subtract the radicals.2.The index tells you how many of a kind you need to put together to be able to move that number or variable from inside the radical to outside the radical. For example, if the index is 2 (a square root), then you need two of a kind to move from inside the radical to outside the radical.3.When factoring a trinomial in the form x2 + bx + c, consider the following tips. Look at the c term first. o If the c term is a positive number, then the factors of c will both be positive or both be negative. In other words, r and s will have the same sign.

Step-by-step explanation:

6 0
2 years ago
A girl planned to swim straight across a river of width 25m. After she had swum across the river, the girl found she had been sw
s2008m [1.1K]
25^2 + 4^2 = c^2, c = 25.3 m
8 0
3 years ago
Help I don’t know how to find it!
Thepotemich [5.8K]

Answer:

would it be 130?

Step-by-step explanation:

because 40+90=130 then 180-130=50 so 1=50 and that means 3 is 50 too. so then you would subtract 50 from 190 which is 130.

3 0
3 years ago
Read 2 more answers
(3x10,000) + (12x1,000) +(4x100) + (8x10)+(7x1)
Eddi Din [679]
The answer is 42487 and it was very complicated
7 0
2 years ago
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