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nydimaria [60]
3 years ago
9

Find the inverse of p(x)=-2x^2-10

Mathematics
1 answer:
-Dominant- [34]3 years ago
7 0

Answer:

\sqrt{\frac{x+10}{2y}

Step-by-step explanation:

switch x and y and then solve for y

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What is /frac{3}{125} of 1875t
barxatty [35]

\dfrac{3}{125} \times 1875t =

= \dfrac{3 \times 1875}{125} t

= 3 \times 15 \times t

= 45t

7 0
3 years ago
Number 20. if a and b are integers and a > b, then l a l > l b l
raketka [301]

.   Answer: I am pretty sure sometimes

Step-by-step explanation: if a = 6 and B = - 7, if you put them l a l > | b |

It makes them both positive so sometimes is the most probable answer .

( Sorry if it’s wrong)

6 0
3 years ago
Read 2 more answers
Find the least common denominator of 7/20 and 3/28
Genrish500 [490]

Answer:

140

Step-by-step explanation:

We have been given two fractions \frac{7}{20} and \frac{3}{28}. We are asked to find the least common denominator of both fractions.

To find the least common denominator of both fractions, we will find least common multiple of 20 and 28.

Prime factorization of 20: 2\times 2\times 5

Prime factorization of 28: 2\times 2\times 7

Least common multiple of 20 and 28 would be: 2\times 2\times 7\times 5=140.

Therefore, the least common denominator of both fractions would be 140.

7 0
3 years ago
Help Please?
Gemiola [76]

Answer:

1 a = 70%

 b 6.5 times

c  green = 16%

2.  ?????  Very poorly worded question

2. a 54%

b. 46%

c. 70%

d.  27%

Step-by-step explanation:

1. Students in a class were asked to tell their favorite color.

a. What percent said red, blue, or yellow? __% said red, blue, or yellow.  

red is .26

blue is .40

yellow is .04

---------------------

                .70   = 70 %

b. How many times more students said red than yellow?

red  .26

yellow is .04

.26/.04 =  6.5 times


c. What percent of students said green? __% said green.

The circle must total 100 %

Red + blue + yellow + purple + green = 100

26+     40 +     4           + 14     +  green = 100

84 + green = 100

Subtract 84 from each side

84-84 + green = 100-84

green = 16

2. Which two methods could be used to find the percent of students who said green?

We can either convert the percents to decimals or the decimals to percents

The total percents must equal 100%

The total decimal must equal 1

a. Find the sum of the percents given in the circle graph.



If they only want the ones written on the graph as percents

(14+40) = 54%

b. Find the sum of the percent forms of the numbers given in the circle graph. Subtract the result from 100%.

100 - 54% = 46%

c. Find the sum of the decimal forms of the numbers given in the circle graph. Subtract that sum from 1. Change the result to a percent.

.26+.04 = .3

1-.3 = .7

70%

d. Find the sum of half of the percents given in the circle graph. Subtract that total from 50%.

1/2 (46%) = 23%

50 -23 = 27%

5 0
3 years ago
Nike and Kane were born on consecutive years and on same date. Nick is younger. The sum of their age is 11. Find the age of the
klemol [59]
Nick is 5 and Kane is 6.
6 0
3 years ago
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