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Pachacha [2.7K]
3 years ago
12

¼c+3d when c and d=7​

Mathematics
1 answer:
-Dominant- [34]3 years ago
8 0

Answer:

22.75

Step-by-step explanation:

you substitute the 7 in for c and d. Following PEMDAS, you would then do (1/4) multiplied by 7 and 3 times 7. add those 2 together and you get 22.75 :)

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HELP FAST!!
Svetradugi [14.3K]

Answer:

Commutative Property

Step-by-step explanation:

The commutative property of multiplication states that when two numbers are being multiplied, their order can be changed without affecting the product.

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5 0
3 years ago
If h(x) = 5 x and k(x)=1/x, which expression is equivalent to (koh)(x)?
Lyrx [107]
May be there is an operator missing in the first function, h(x). I will solve this in two ways, 1) as if the h(x) = 5x and 2) as if h(x) = 5 + x

1) If h(x) = 5x and k(x) = 1/x

Then (k o h) (x) = k ( h(x) ) = k(5x) = 1/(5x)

2) If h(x) = 5 + x and k (x) = 1/x

Then (k o h)(x) =k ( h(x) ) = k (5+x) =  1 / [5 + x]
4 0
3 years ago
Read 2 more answers
Joe is taking out a five year loan with a 7% interest rate compounded quarterly to buy a $4000 car. What will he have paid in to
Sergio [31]

Answer:

$5659.11

Step-by-step explanation:

We are given;

  • Time of loan maturity is 5 years
  • Rate of compound interest is 7% compounded quarterly
  • Principal amount of the car is $4000

We are required to determine the total amount he paid at the end of 5 years..

The concept being tested is compound interest;

We are going to use the compound interest formula;

Amount = P(1+r/100)^n

Where P is the the principal amount

r is the rate of interest

n is the interest periods

In this case;

n = (5 × 4) = 20

r = 7 ÷ 4 = 1.75 ( as the money was compounded quarterly)

Thus;

Amount =$ 4000 ( 1 + 1.75)^20

            = $4000 (1.0175)^20

            = $5659.11

Therefore, the money that Joe will have paid at the end of 5 years is $5659.11

6 0
4 years ago
Write the equation of a
Karo-lina-s [1.5K]

Answer:

b

Step-by-step explanation:

7 0
3 years ago
A line with a slope of 1 passes through the point (1,8) what is the equation in slope intercept form
zubka84 [21]

Answer:

Step-by-step explanation:

Slope m = 1

Point (1;8)

x1 = 1 and y1 = 8

y - y1 = m(x - x1)

y - 8 = 1(x - 1)

y - 8 = x - 1

y = x - 1 + 8

y = x + 7

3 0
4 years ago
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