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Anna71 [15]
3 years ago
14

Solve the inequality 2x²+x-3<0

Mathematics
1 answer:
frosja888 [35]3 years ago
3 0

Answer:

-\frac{3}{2}

Step-by-step explanation:

2x^{2} +3x-2x-3

x(2x+3)-(2x+3)

x

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What are four consecutive integers whose sum is 682
Fynjy0 [20]
X, x+1, x+2, x+3 - four consecutive integers

x+x+1+x+2+x+3=682 \\&#10;4x+6=682 \ \ \ |-6 \\&#10;4x=676 \ \ \ |\div 4 \\&#10;x=169 \\ \\&#10;x+1=169+1=170 \\&#10;x+2=169+2=171 \\&#10;x+3=169+3=172

The integers are 169, 170, 171 and 172.
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4 years ago
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A factory produces 5, 836 keyboards each day. If a box holds 20 keyboards, which statement is true?
STALIN [3.7K]

Answer:

Step-by-step explanation:

Which price gives the store the maximum amount of revenue, and what is the ... When graphing the function f(x)=-x+5+12 on your graphing calculator, what is the ... Based on the graph, how many real number solutions does the equation x3 + ... is challenged to a game by a classmate, which statement below is correct in all ...

Missing: 836 ‎| Must include:

7 0
3 years ago
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Evaluate: log216<br><br> Select the appropriate response<br> A) 0<br> B) -1<br> C) 7
stepladder [879]

Answer:

4

Step-by-step explanation:

log2(16)

log2(2^4)

4 log2(2)

4 × 1

4

It should be 4

3 0
3 years ago
Use matrix inversion to solve the collection of systems of linear equations. HINT [See Example 4.] (a) −x − 4y + 2z = −10 x + 2y
omeli [17]

Answer:

Step-by-step explanation:

given is a system of linear equations in 3 variables as

-x - 4y + 2z = −10\\ x + 2y - z = 11 \\x + y - z = 14

This can be represented in matrix form as

AX=B Or

\left[\begin{array}{ccc}-1&-4&2\\1&2&-1\\1&1&-1\end{array}\right] *\left[\begin{array}{ccc}x\\y\\z\end{array}\right] =\left[\begin{array}{ccc}-10\\11\\14\end{array}\right]

So solution set

X would be A^{-1} B

|A|=-1(-1)+4(0)+2(-1)=--1

Cofactors of A are

-1    0    -1

-2   -1     -3

0     1      2

So inverse of A is

1    2   0

0   1     -1  

1     3      -2

Solution set would be

x=12

y=-3

z=-5

8 0
3 years ago
Explain how 7.69 * 15.3 = 117.657
Anni [7]

Answer:

117.657



Step-by-step explanation:

Line up your decimals take out your decimals and put them in after you solve


   

769

*153

----------

         



So if you know long multiplecation then you will find your answer



Good luck hope this helps :)


~Animaljamissofab ♥

5 0
4 years ago
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