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Naddik [55]
4 years ago
13

Four expressions are shown bellow

Mathematics
2 answers:
Ray Of Light [21]4 years ago
8 0

Answer:

A and D

Explanation:

A. 2 multiply by 4x give 8x and 2 multiply by 2 give 4 so the answer is 8x+4

D. When we expand the bracket, 2 multiply by 3x give 6x and 2 multiply by 2 give 4 and 2 multiply by x give 2x so the answer will be 6x+4+2x and we will gather the like terms so it will be 6x+2x=8x so the final answer is 8x+4

Irina18 [472]4 years ago
3 0

Answer:

A

2(4x + 2)

and

D

8x + 4

Step-by-step explanation:

Because if you simplify the equation theb you get 8x+4 therefore D is equivalent to it. A is also equal to D which make it equivalent to the equation as well.

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A vet borrows $12,000 for 4 years. The total interest paid was $960. What was the interest rate on the loan?
Alchen [17]

Answer:

2% per year.

Step-by-step explanation:

Solving our equation

r = 960 / ( 12000 × 4 ) = 0.02

r = 0.02

converting r decimal to a percentage

R = 0.02 * 100 = 2%/year

The interest rate required to

accumulate simple interest of $ 960.00

from a principal of $ 12,000.00

over 4 years is 2% per year.

3 0
3 years ago
One and one eighth equal g minus four and two fifths
Maurinko [17]
1 1/8 = g - 4 2/5
9/8 = g - 22/5
9/8 + 22/5 = g
45/40 + 176/40 = g
221/40 = g
5 21/40 = g
5 0
3 years ago
How to factor quadratic expressions in General
serg [7]
3x^2 - 4x  - 7 = (3x - 7)(x +1)

hope it helps
5 0
4 years ago
Write each decimal in words. 1) 96.241= 2) 105.36= 3) 7.4 = 4) 84.12 = 5) 5.75 =​
cricket20 [7]

Answer:

1) Ninety-six and two hundred forty one thousandths.

2) One hundred five and thirty-six hundredths.

3) Seven and four tenths.

4) Eighty four and twelve hundredths.

5) Five and seventy-five hundredths.

Step-by-step explanation:

Example:

123.456

1 is in the hundreds place

2 is in the tens place

3 is in the ones place

4 is in the tenths place

5 is in the hundredths place

6 is in the thousandths place

One hundred twenty three and four hundred fifty-six thousandths.

3 0
2 years ago
Find the co-ordinates of the point of trisection of the line joining the points A(1,8) and B(4,2).
Licemer1 [7]

<u>coordinates of the point are (2,6) and (3,4)</u>

Answer:

Solution given:

let the given point be A(1,8) and B(4,2).

P and Q are the two points on AB such that

AP=PQ=QB=k

now

comparing AP and PB

AP=k

PB=2k

ratio of AP and PB =\frac{1k}{2k}= ratio 1:2

now

finding p

for this

(m_1,m_2)=(1,2)

For AB

(x_1,y_1)=(1,8)

(x_2,y_2)=(4,2)

now by using division formula

(x,y)=(\frac{m_1x_2+m_2x_1}{m_1+m2},\frac{m_1y_2+m_2y_1}{m_1+m2})

=(\frac{1*4+2*1}{1+2},\frac{1*2+2*8}{1+2})=(2,6)

similarly

Q divides AB

Ratio of AQ and QB =\frac{2k}{1k}= ratio 2:1

(x_1,y_1)=(1,8)

(x_2,y_2)=(4,2)

(m_1,m_2)=(2,1)

by using division formula

(a,b)=(\frac{m_1x_2+m_2x_1}{m_1+m2},\frac{m_1y_2+m_2y_1}{m_1+m2})

=(\frac{2*4+1*1}{2+1},\frac{2*2+1*8}{2+1})=(3,4)

4 0
3 years ago
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