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ankoles [38]
4 years ago
8

Could someone please help if you can

Mathematics
1 answer:
adell [148]4 years ago
3 0

Answer:

Step-by-step explanation:

14. ∠AED= 180-∠AEC  =180-41  =139

15. ∠CEF = 180 - 90=  90

16.∠DEB= ∠AEC = 41 [They are vertical angles]

17.∠BEF = 90 - ∠DEB  =90-41   =49

18.∠CEB =∠CEF +∠BEF     =90+49   =139

19.∠AEF =∠CEF + ∠AEC   =90+41   =131

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A bat and a ball cost one dollar and ten cents in total. The bat costs a dollar more than the ball. How much does the ball cost?
Aleks04 [339]
Set up an algebraic equation: b=cost of ball
1.10=1+b+b
1.10=1+2b
subtract 1 from both sides
.10=2b
divide by 2 on both sides
ball=5 cents
6 0
3 years ago
12x+5y3z, where ​x=12​, y = 6, and z = 3
mestny [16]

Answer:

12×x+5y×3z

12×12+5×6×3×3

144+30×9

174×9

1,566.

that's what I found out.

8 0
2 years ago
Henry buys a large boat for the summer, however he cannot pay the full amount of $32,000 at
Anna007 [38]

Answer:

Monthly payments=$418.14

Total amount will be=down payment + 48×$418.14

$14000+$20070.84=$34070.84

Step-by-step explanation:

Loan payment per month=Amount to pay÷discount factor

Mathematically  P=A÷D

where D is the discount factor calculated using the formula;

\frac{(1+i)^n-1}{i(1+i)^n}

where i=periodic interest rate=annual rate divided by number of payment periods

A is the amount to pay after downpayment

P is the loan monthly payment amount

n=number of periodic payments=payments per year times number of years

⇒In this question you find the discount factor then divide the amount remaining to pay with the discount factor to get monthly payments

Given;

Cost of boat=$32000

Down payment=$14000

Loan to pay=$32000-$14000=$18000

Annual rate=5.5%=i=5.5%÷12=0.458%⇒0.00458

Periodic payments, n=4×12=48

Finding the discount factor D;

D=\frac{(1+i)^n-1}{i(1+i)^n} \\\\\\D=\frac{(1+0.00458)^{48} -1}{0.00458(1+0.00458)^{48} } \\\\\\D=\frac{1.2455-1}{0.005703} \\\\\\D=\frac{0.2455}{0.005703} =43.05

To get the amount to pay monthly divide the loan to pay with the discount factor

=\frac{18000}{43.05} =418.14

Monthly payments=$418.14

Total amount will be=down payment + 48×$418.14

$14000+$20070.84=$34070.84

8 0
3 years ago
Perry currently has $180 dollars and is spending $6 per day. Nick has no money but is earning $8 each day. After how many days w
Elan Coil [88]

12.857 days

Step-by-step explanation:

Since the number of days is passing the same for both Nick and Perry we can assign the unknown value (no. Of days) the same denotation of x

Therefore;

180 – 6x = 0 + 8x

180 = 8x + 6x

180 = 14x

X = 12.857

Learn More:

For more on calculating unknown values check out;

brainly.com/question/10578482

#LearnWithBrainly

4 0
4 years ago
Bishon needs to sell at least 0.3 of his collection of sports cards to make room for new cards. Is 3/20 of his collection enough
brilliants [131]

3/20 = 0.15

0.3 > 0.15

so no

8 0
3 years ago
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