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stiks02 [169]
2 years ago
14

Find the values of a and b such that x^2-x+5=(x-a)^2+b

Mathematics
1 answer:
Romashka [77]2 years ago
5 0

Answer:

a = 0.5 or 1/2

b = 19/4 or 4.75

Step-by-step explanation:

Step 1: Isolate <em>x</em>'s

x² - x = -5

Step 2: Complete the Square

x² - x + 1/4 = -5 + 1/4

(x - 1/2)² = -19/4

Step 3: Move everything to one side

(x - 0.5)² + 4.75

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If x=-1 , y=1 and z =2 then find the value of. a . 2x+3y +4z b. 5x2 +3y2+7z2​
inn [45]

Answer:

a.2×1= 2 + 3×1=3 +4×2=8 now we have to put this ans and the ans is 13.

b. 5×1×2=10 + 3×1×2=6+ 7×2×2=28 now also we have to put this ans and this ans is 13

5 0
3 years ago
Convert to slope intercept form: <br> 6x-3y=96x−3y=9<br><br> with steps please!!
Drupady [299]

Answer:

y = 2x - 3

Step-by-step explanation:

Slope intercept form : y = mx + b

6x - 3y = 9

     -3y = -6x + 9

      \frac{-3}{-3}y=\frac{-6}{-3}x+\frac{9}{-3}\\\\

          y = 2x - 3

5 0
3 years ago
A triangle has side lengths of 15 centimeters, 11
Crank

Answer:

scalene

Step-by-step explanation:

a scalene triangle is a triangle that doesn't have any congruent sides For example, this triangle

5 0
3 years ago
Read 2 more answers
How much interest would $2,000 earn, with simple interest, in two years at the<br>rate of 4.2%?​
Anna [14]

Answer:

$168

Step-by-step explanation:

The formula we'll use for this is the simple interest formula, or:

I=Prt

Where:

P is the principal amount, $2000.00.

r is the interest rate, 4.2% per year, or in decimal form, 4.2/100=0.042.

t is the time involved, 2....year(s) time periods.

So, t is 2....year time periods.

To find the simple interest, we multiply 2000 × 0.042 × 2 to get that:

The interest is: $168.00

8 0
3 years ago
Will give brainlst!!<br><br> Have a amazing day :) <br> Pls help
Nesterboy [21]

Answer:

Sorted Data Set: 2, 10, 12, 13, 14, 15, 17, 18, 18, 20, 21

Mean (Average) 14.545454545455

Median 15

Range 19

Mode 18, appeared 2 times

Geometric Mean 12.803503609558

Largest 21

Smallest 2

Sum 160

Count 11

First Quartile Q1 = 12

Second Quartile Q2 = 15

Third Quartile Q3 = 18

Interquartile Range IQR = 6

8 0
2 years ago
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