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3 years ago

91/50 as a decimal and percent

Mathematics

2 answers:

Black_prince [1.1K]3 years ago

8 0

Percent 180
decimal 1.82

Anarel [89]3 years ago

3 0

Answer:

Decimal: 1.82. Percent: 182%

Step-by-step explanation:

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Solve the system of linear equations by substitution 12x+y=−4 y=2x+16

ki77a [65]

Answer:

Your solution is (-10/7, 92/7)

Step-by-step explanation:

12x + y = -4

y = 2x + 16

To use substitution, we want to plug one variable's equation into the other equation.

We can see that y is already solved for us. Plug y into the first equation.

12x + y = -4

12x + (2x + 16) = -4

Combine like terms.

14x + 16 = -4

Subtract 16 from both sides.

14x = -20

Divide both sides by 14.

x = -20/14

x = -10/7

Now that we know x, we will plug it into one of the other equations.

y = 2x + 16

y = 2(-10/7) + 16

Multiply.

y = -20/7 + 16

Add.

y = -20/7 + 112/7

y = 92/7

Your solution is (-10/7, 92/7)

Hope this helps!

8 0

2 years ago

-k2-(3k-5n)+6n; k=-3 and n=-4

Anna11 [10]

If you are evaluating the answer is -41

5 0

2 years ago

HELP!! 13 POINTS OFFERED

Anna [14]

Answer:

I believe its a vertical angle

Step-by-step explanation:

6 0

2 years ago

Read 2 more answers

Help me and fast please

iogann1982 [59]

Answer: the answer is C

Step-by-step explanation: we know this because a straight line is 180 degrees. So given 140 degrees we know that g= 40.

8 0

3 years ago

You and your friend are comparing two loan options for a $165,000 house. Loan 1 is a 15-year loan with an annual interest rate o

Harlamova29_29 [7]

Answer:

No, he is wrong.

Step-by-step explanation:

Since, the total payment of a loan after t years,

$A=P(1+r)^t$

Where,

P = present value of the loan,

r = rate per period ,

n = number of periods,

Given,

P = $165,000,

In loan 1 :

r = 3% = 0.03, t = 15 years,

So, the total payment of the loan is,

$A_1 = 165000(1+0.03)^{15}=165000(1.03)^{15}\approx \$ 257,064.62$

In loan 2 :

r = 4% = 0.04, t = 30 years,

So, the total payment of the loan is,

$A_2 = 165000(1+0.04)^{30}=165000(1.04)^{30}\approx \$ 535,160.59$

Since, $A_1 < A_2$

Hence, total amount repaid over the loan will be less for Loan 1.

That is, the friend is wrong.

7 0

2 years ago