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galina1969 [7]
4 years ago
8

Please help!! I’ll mark you as brainly

Mathematics
2 answers:
fiasKO [112]4 years ago
7 0
Add the two equations together.

5y=20
y=4

Substitute that back into one of the equations.

4x+3y=6
4x+3(4)=6
4x=-6
x=-3/2

So, the solution is x=-3/2, y=4.

The answer, therefore, is D.

Hope this helps!
77julia77 [94]4 years ago
6 0
The correct choice is D .
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The ratio of the length to the width the official german flag is 5:3.Sanda is making 12 german flags for a cuiture show.Each fla
kifflom [539]

Answer: The width of each flag = 12 cm

The average amount of time it takes Sandra to make each flag =  20 minutes.

Step-by-step explanation:

Given: The ratio of the length to the width the official german flag is 5:3.

Let length = 5x, width = 3x

Length of each flag = 20 cm

i.e. 5x=20\Rightarrow\ x=\dfrac{20}{5}=4\text{ cm}

Then width of each flag = 3 x 4 = 12 cm

i.e. width of each flag = 12 cm

Total time to make 12 flags = 4 hours

Time taken to make 1 flag = \dfrac{4}{12} hour

Time taken to make 1 flag = \dfrac{1}{3} hour

1 hour = 60 minutes

Time taken to make 1 flag = \dfrac{1}{3}\times60 minutes = 20 minutes.

Hence, the average amount of time it takes Sandra to make each flag =  20 minutes.

7 0
3 years ago
Help with question 4 please
Juliette [100K]

Answer:     y=5                           x=11

abc=def                                      

ab=de                                         <b=<e

17y-8=12+13y                              11x-4=117

-13y        -13y                                  +4   +4

4y-8=12                                      11/11x=121/11

  +8  +8                                           x=11

4/4y=20/4

y=5

7 0
3 years ago
Which is bigger 1 2/7 or 1 1/5
Marina CMI [18]

Answer:

1 2/7 is bigger

Step-by-step explanation:

5 0
3 years ago
Find the x-intercept and y-intercept of the line. 2x-6y=6
scoundrel [369]

Answer:

x-intercept: (3,0)

y-intercept: (0,−1)

5 0
3 years ago
Read 2 more answers
Write the inequality for each sentence
liq [111]

Answer:

a) The difference of a number and six is no less than 15

x - 6 ≥ 15

b) 25 plus a number is at least 13

25 + x ≥ 13

c) g decreased by 25 is at most five

g - 25 ≤ 5

Step-by-step explanation:

a) The difference of a number and six is no less than 15

Let the number be represented by x

We difference is involved in a mathematics question, it requires the application of Subtraction operation, hence:

x - 6 ≥ 15

b) 25 plus a number is at least 13

Let the unknown number be represented by x

When at least is used in Mathematics, is means greater than or equal to a particular value,

Hence,

25 + x ≥ 13

c) g decreased by 25 is at most five

At most means less than or equal to a particular value, hence:

g - 25 ≤ 5

8 0
3 years ago
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