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3 years ago

Ahhhhhhhhhhhhhhhhhhhhhhh someone plzzzzz help

Mathematics

2 answers:

Anit [1.1K]3 years ago

8 0

Answer:

15, 80

Step-by-step explanation:

1) I am assuming the first picture is a 90 degree angle total, because the question can't be solved without that assumption.

90 - 75 = 15

x = 15

2) The whole angle is 180 so 180 - 75 - 25 = CAD

CAD = 80

Pavlova-9 [17]3 years ago

7 0

Answer:

15° and 80°

Step-by-step explanation:

for the first one since its a right angle then its equal to 90 degrees

90-75 = 15 x=15°

for the second one since the line is a straight line then put it equal to 180

25+75+x=180

100+x=180

x=80°

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4 years ago

gina has 250 in her saving account she puts in 4% of her monthly paycheck of 3,100 each month rodger has 350 in his savings acco

Sidana [21]

Answer:

3 months

Explanation:

Amount saved in Gina’s saving account= 250

Amount Gina puts in her account each month= 4% of 3100

= $\frac{4}{100} \times 3100$

= 4 × 31

= 124

Hence total amount added in each month =124

Therefore money credited x months

= 250 + 124 x

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Amount Rodger puts in his account each month = 3% of 2900

= $\frac{3}{100} \times 290$

=87

Hence total amount added in each month = 87

Therefore money credited x months

=350 + 87 x

Now to calculate the nearest month when Gina have more in her account than Rodger does

=Amount of money credited in x months in Gina’s account ≥ Amount of money credited in x months in Rodger’s account

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3 0

4 years ago

Find the first , fourth , and eighth terms of the sequence A(n) = -3 •2 ^x - 1

Usimov [2.4K]

Answer:

A(1) = -7

A(4) = -48

A(8) = -769

Step-by-step explanation:

$A(n) = -3.2 ^n - 1.....(1)\\\\Plug \: n= 1\: in \: (1)\\A(1) = -3.2 ^1 - 1 =-3.2-1= -6 -1 \\\huge\red{\boxed{A(1) = -7}}\\\\Plug \: n= 4\: in \: (1)\\A(4) = -3.2 ^4 - 1 =-3.16-1= -48 -1 \\\huge\purple{\boxed{A(4) = -49}}\\\\Plug \: n= 8\: in \: (1)\\A(8) = -3.2 ^8 - 1 =-3.256-1= -768 -1 \\\huge\orange{\boxed{A(8) = -769}}$

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4 years ago