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yan [13]
2 years ago
5

Solve by completing the square 2x^2+x-4=0​

Mathematics
1 answer:
Natali [406]2 years ago
4 0

Answer:

x=-1±[65]

________

8

Step-by-step explanation:

solve the equation for xby finding a,b, and come of the quadratic then applying the quadratic formula

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A robot can complete tasks 7 in
OLga [1]

Answer:

Step-by-step explanation:

3tasks=7/10 hours

1 task=7/(10×3)

1 task=7/30 hours

Hence a robot takes 7/30 hours to complete one task

7 0
3 years ago
What is the length of BC?<br>A. 9 units<br>B. 11 units<br>C. 15 units <br>D. 16 units​
Norma-Jean [14]

Answer:

15units

Step-by-step explanation:

BC is: 5x=5×3=15 units. so,Length of BC=15 units

3 0
3 years ago
How do you break apart the factor 42 using place values
VLD [36.1K]

Let's break apart 42.

The 4 is in the tens. The 2 is in the ones.

                           Place Value starting from Thousands

                            Thousands  Hundreds  Tens  Ones

                            _________ ________ ____ _____

                                                                       4          2

So this is how we break up numbers using place value.

Hope this helps!

5 0
3 years ago
GIVING BRAINLIEST Use the inequality 186&lt; -3 (4x - 2).
a_sh-v [17]

Answer:

x < -15

Step-by-step explanation:

I solved the inequality but i don't know if that was what you were asking for lol, if not sorry.

3 0
2 years ago
The equation below represents Function A and the graph represents Function B:
Snezhnost [94]

Answer:

Slope of Function B = – Slope of Function A

Step-by-step explanation:

Slope of function A=-2

Slope of function B=$\frac{3-1}{3-2}=2$

6 0
2 years ago
Read 2 more answers
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