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3 years ago

The gcf of 30 and 105

2 answers:

8 0

I believe it is 15, but keep on watching in case I find a different GCF
I found this because 105 divided by 15 equals 7. and 30 divided by 15 equals 2, and 7 and 2 are both whole numbers.

Vadim26 [7]3 years ago

8 0

$30,105$
Answer :
For the values $30,105
$
GCF: $15.$

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What is i hcf of 21 and 28

olchik [2.2K]

$21|3 \\ 7 \ |7 \\ 1 \\\\ 21=3*7 \\\\ 28|2 \\ 14|2 \\ 7 \ |7 \\ 1 \\\\ 28=2^2*7 \\\\ H.C.F(21;28)\to\boxed{7}$

7 0

2 years ago

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Given that f(x) = x2 + 2x + 3 and g(x) = quantity of x plus four, over three , solve for f(g(x)) when x = 2.

Sidana [21]

$f(x)=x^2+2x+3$
$g(x)=\frac{x+4}{3}$
$f(g(x))=(\frac{x+4}{3})^2+2(\frac{x+4}{3})+3$
$f(g(x))=\frac{x^2+8x+16}{9}+\frac{2x+8}{3}+3$
$f(g(2))=\frac{2^2+8(2)+16}{9}+\frac{2(2)+8}{3}+3$
$f(g(2))+\frac{4+16+16}{9}+\frac{4+8}{3}+3$
$f(g(2))=\frac{36}{9}+\frac{12}{3}+3$
$f(g(2))=4+4+3$
$f(g(2)=11$

Check:
g(2)=(2+4)/3=2
f(2)=2^2+2(2)+3=4+4+3=11 Checks.

4 0

3 years ago

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What are the numbers when rounded to the nearest thousand are 50,000

Pani-rosa [81]

Answer:

x $\geq$ 45,000

Step-by-step explanation:

7 0

3 years ago

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25 points:)<br><br> question 2-3

Furkat [3]

Answer:

2) r=73

Step-by-step explanation:

all 4 sided shapes add up to 360.

so 90+90=180

180+107=287

360-287=73

so r=73

4 0

3 years ago

What is (5 7/8 minus 6 3/4) minus 2 1/4 ? Please give me the correct answer and stepy by step instructions.

MaRussiya [10]

(5 7/8-6 3/4)-2 1/4
Solve the numbers in the parenthesis ( I change the denominators to a common denominator that 8 and 4 share)
(5 7/8 - 6 3/4)-2 1/4
^
-1 1/8-2 1/4
(I use KKC aka Keep Change Change where I keep -1 1/8 the same, change the minus sign to a plus sign, and change the -2 1/4 to positive) ( I change the denominators to a common denominator that 8 and 4 share)
-1 1/8 + +2 1/4 = 1 1/8

6 0

3 years ago