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maw [93]
3 years ago
5

What number between 30 and 40 has only one and itself as factors?

Mathematics
1 answer:
ANEK [815]3 years ago
8 0
The numbers between 30 and 40 whose only factors are one and themselves, also called prime numbers, are 31 and 37.<span> Prime numbers are useful in generating numerical passwords or codes that are difficult to crack. so A) is the answer
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How can I solve this problem?
Rus_ich [418]
(f+g)(x)=0
f (x) + g (x)=0

now,
substitute their values

x^2 -4x + x -18 = 0
x^2 -3x -18 =0
x^2 - 6x + 3x - 18 =0
x (x-6) + 3 (x-6) = 0
(x-6)(x+3) = 0


we have to find it's zeroes (or roots) now:

x-6 =0
x = 6


x +3 =0
x = -3
7 0
3 years ago
Please help me with this math question!
Alenkinab [10]
The bases are both 2, so we would subtract the exponents. This is because the rule is

(a^b)/(a^c) = a^(b-c)

In this case,
a = 2
b = 3/4
c = 1/2

So this means
b - c = (3/4) - (1/2) = (3/4) - (2/4) = 1/4

After subtracting the exponents, the final exponent is 1/4

So the expression simplifies to 2^(1/4) which is the same as \sqrt[4]{2} (fourth root of 2)
4 0
3 years ago
What are the mensure of 1 angle and 2 angle? Show ur work or explain
STatiana [176]

Answer:

angle 1 = 105º

angle 2  = 75º

Step-by-step explanation:

angle 2  = 75º

corresponding angle to the 75º angle

angle 1 = 105º

it's supplementary to angle 2

180 - 75 = 105

6 0
3 years ago
Aubree invests money in an account paying simple interest. She invests $30 and no
Marianna [84]

Answer:

8%

Step-by-step explanation:

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0.3x8=$2.40

$30+$2.4=32.40

8 0
2 years ago
68.64 is 78% of what
icang [17]
53.5392 is the answer
6 0
3 years ago
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