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miskamm [114]
3 years ago
14

Please help me with this ONE ASSIGNMENT PLEASE!!??

Mathematics
2 answers:
anyanavicka [17]3 years ago
5 0

Answer:

q=1

Step-by-step explanation:

(I will use the cross multiplication method)

Step 1: multiply 20 x 4 (80)

Step 2: divide 80 by 40 (2)

Step 3: subtract 1 from the 2

4/1 = 40/20

If you want to check multiply 40 x 2 and 20 x 4

if they have the same answer then your answer is right.

40 x 2= 80

20 x 4=80

80=80

marusya05 [52]3 years ago
4 0

Answer:

q=1

Step-by-step explanation:

\frac{4}{q+1} =\frac{40}{20} \\\\\frac{4}{q+1} =\frac{4}{2} \\\\\frac{4}{q+1} =\frac{4}{2} \\\\\frac{4}{q+1} =\frac{2}{1} \\\\\frac{2}{q+1} =\frac{1}{1} \\\\q+1=2\\q=1

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Which of these is not a method used to calculate finance charges?
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previous balance

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the sum of three times one number, x, and five times a second number,y, is 77. if the sum of the two numbers is 19, find the two
HACTEHA [7]

Answer:

x=9, y=10. (9, 10). The two numbers are 9 and 10.

Step-by-step explanation:

3x+5y=77

x+y=19

------------------

3x+5y=77

-3(x+y)=-3(19)

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3x+5y=77

-3x-3y=-57

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2y=20

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5 0
3 years ago
Ricardo spends 8/9 hr. reading the paper. He spends 1/4 of the time reading world news and splits the remaining time equally bet
lapo4ka [179]
Total time spent reading is = 8/9 hour

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3 years ago
What is 7,776 ÷ 24? This is for 30 points.
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Find the solution to the system of linear equations y = 5x + 4 and y = −3x + 12 using the intersection method. Check your answer
Umnica [9.8K]

Answer:

The solution to the system of linear equations is (1,9).

Step-by-step explanation:

The given system of linear equations

y=5x+4            ... (1)

y=-3x+12           .... (2)

Subtract equation (2) from equation (1) to eliminate y.

y-y=(5x+4)-(-3x+12)

0=5x+4+3x-12

On combining like terms, we get

0=(5x+3x)+(4-12)

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Add 8 on both sides.

0+8=8x-8+8

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Divide both sides by 8.

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The value of x is 1.

Substitute x=1 in equation (1).

y=5(1)+4

y=5+4

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The value of y is 9.

Therefore the solution to the system of linear equations is (1,9).

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3 years ago
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