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guajiro [1.7K]
3 years ago
7

If x=2a-b^2 then a equals

Mathematics
1 answer:
Serhud [2]3 years ago
5 0
Its easy.

x=2a-b²

x+b²=2a

(b²+x)/2 = a

Hope this helps
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A function is shown in the table.
Grace [21]
The function is decreasing from x=0 to x=2
5 0
3 years ago
The sum of 5 consecutive even numbers is 310. What is the third number in this sequence?
bija089 [108]
A simple way to solve for consecutive numbers is to divide the sum number by the number of numbers needed. So 310 ÷ 5, which equals 62. That is the middle consecutive number.

To find the other 4 numbers, since they are all even, sinply add 2 to the middle number to find one, add 2 to that to find another, subtract 2 from the middle number to fine the third, and subtract 2 from that to find the final one.

62 + 2 = 64
64 + 2 = 66
62 - 2 = 60
60 - 2 = 58

so your numbers are 58, 60, 62, 52, and 66. Together they add up to 310.

(I may have done this a non-standard way, bit it was the way that made the most sense in my head.)


3 0
3 years ago
Number 15 asap please
r-ruslan [8.4K]
18 + 32 - 27
=23

Therefore the anwers for this is 23
8 0
3 years ago
The box plots show the average speeds, in miles per hour, for the race cars in two different races. Average Speeds of Cars in Ra
MrRa [10]

Answer:

The median speed in race A is about 153 miles per hour, and the median speed in race B is about 145 miles per hour.

Step-by-step explanation:

For comparison, we need to analyze and compare both races data which are as follows

For Race A

Maximum range = 170 miles per hour

Minimum  range = 120 miles per hour

First quartile  ≈ 142 miles per hour

Median quartile ≈ 153 miles per hour

It comes from

= \frac{142\ miles + 165\ miles}{2}

= 153 miles

The Third quartile = 165 miles per hour

For Race B

Maximum range  = 165 miles per hour

Minimum range = 125 miles per hour

First quartile  ≈ 139 miles per hour

Median quartile = 145 miles per hour

It comes from

= \frac{139\ miles + 150\ miles}{2}

= 145 miles

The third quartile = 150 miles per hour

Hence, the last option is correct

7 0
3 years ago
8x+3&gt;_x+10 how do i solve dis<br> HELP
VashaNatasha [74]

Answer:

x > 1

Step-by-step explanation:

Subtract 3 from both sides

8x + 3 - 3 > x + 10 - 3

Simplify

8x > x + 7

Subtract x from both sides

8x - x > x + 7 - x

Simplify

7x - 7

Divide both sides by 7

7x/7 > 7/7

Simplify

x > 1

5 0
3 years ago
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