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forsale [732]
3 years ago
10

Help with this question please help

Mathematics
1 answer:
levacccp [35]3 years ago
8 0
Slope is 2
Y intercept is 4
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Breann solved the system of equations below. What mistake did she make in her work? 2x + y = 5 x − 2y = 10 y = 5 − 2x x − 2(5 −
goldfiish [28.3K]

Answer:

No mistake

Step-by-step explanation:

2x + y = 5

x - 2y = 10

y = 5 - 2x

x - 2(5 - 2x) = 10

x - 10 + 4x = 10

5x - 10 = 10

5x = 20

x = 4

2(4) + y = 5

y =  -3

She made no mistake

You can check by plugging in x = 4 and y = -3 into the original equations . They fit exactly.


5 0
3 years ago
What is the fifth term of the sequence defined by f(n)=3(n-3)
egoroff_w [7]
f(5)=3(5-3)=3\cdot2=6
6 0
3 years ago
Irina wants to build a fence around a rectangular vegetable garden so that it has a width of at least 10 feet. She can use a max
Rasek [7]

Answer:

In option a, w < 10

in option b, w = 10 and 2(20) + 2(10) = 40 + 20 = 60 < 150

in option c, w > 10 but 2(60) + 2(20) = 120 + 40 = 160 > 150

In option d, w > 10 but 2(55) + 2(30) = 110 + 60 = 170 > 150

Therefore the corect answer is option b.

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Which of the following stanements shows the inverse property of addition?
Nikitich [7]

Answer:

0\cdot \:y+\left(-0\cdot \:y\right)=0  the  statement shows the inverse property of addition as the sum of a number and its inverse is zero.

Step-by-step explanation:

As we know that Inverse Property of Addition states if you add any number to its opposite, the result will be zero.

For example, 13 + (-13) = 0 shows that -13 is the additive inverse of 13.

In other words, the sum of a number and its inverse is zero.

Now checking from the available options,

0y+\left(-0y\right)

\mathrm{Remove\:parentheses}:\quad \left(-a\right)=-a

=0\cdot \:y-0\cdot \:y

\mathrm{Add\:similar\:elements:}\:0\cdot \:y-0\cdot \:y=0

=0

Thus,

0\cdot \:y+\left(-0\cdot \:y\right)=0

Therefore, 0\cdot \:y+\left(-0\cdot \:y\right)=0  the  statement shows the inverse property of addition as the sum of a number and its inverse is zero.

4 0
3 years ago
Which of the following are true statements about any regular polygon? Check all that apply. A. all of it's angles measure 90 deg
dmitriy555 [2]

Answer:

B,E,F

Step-by-step explanation:

7 0
3 years ago
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