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Vika [28.1K]
3 years ago
5

Solve the equation 40=2x2+2x by factoring.

Mathematics
1 answer:
just olya [345]3 years ago
5 0

Step-by-step explanation:

please give me brainlest and follow me

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Frogs – A species of frog’s population grows 24% every year. Suppose 100 frogs are released into a pond. (For some answers, you
ivolga24 [154]

Answer:

293; 869; 11 years

Step-by-step explanation:

N: no. of frogs

t: no. of years

N = 100(1.24^t)

N = 100(1.24⁵)

= 293

N = 100(1.24¹⁰)

= 859

1000 = 100(1.24^t)

10 = 1.24^t

lg10 = t×lg1.24

t = 1/lg1.24

t = 10.7 = 11 years

7 0
3 years ago
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Help please im lost and not good in math
Damm [24]
Answers: a = 49
b = 10
c = 105
8 0
3 years ago
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Someone please please help help me please please ASAP with my work <br><br> And NO LINKS or FILES
Vera_Pavlovna [14]

Answer:

1.

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2.

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Step-by-step explanation:

The reflection of a point along y-axis means the <u>y</u><u> </u><u>value</u><u> </u><u> </u>stays the same and the <u>x-value</u><u> </u>changes its sign.

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8 0
3 years ago
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Show why it's not and find the 10 combinations that will be in both groups?
hammer [34]

Answer:

Step-by-step explanation:

Given that there are 3 events as

rolling 3 dice, are the events A: sum divisible by 3 and B: sum divisible 5

The sample space will have

(1,1,1)...(6,6,6)

Sum will start with 3 and end with 18

Sum divisible by 3 are 3,6,9..18

Sum divisible by 5 are 5,10,....15

The common element is 15

Hence these two events are not mutually exclusive.

3 0
3 years ago
If 48% of the students in a certain college are female and there are 1440 female students, what is the total number of students
Andrews [41]

Answer:

3000 students

Step-by-step explanation:

If 48% of the students are female, and there are 1440 female students, we can set up a percentage proportion, assuming x is the total amount of students.

\frac{1440}{x} = \frac{48}{100}

We can use the cross products property to find the value of x.

1440\cdot100=144000\\\\144000\div48=3000

Hope this helped!

5 0
3 years ago
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