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Verizon [17]
3 years ago
12

X + 4y = 13 x - y = 3 systems of equations I need help on a couple of these like ASAP

Mathematics
1 answer:
lara31 [8.8K]3 years ago
4 0
A.)
Slope:-1/4
Y intercept: (0,13/4)
X intercepts:(13,0)
B.)
X intercepts:(3,0)
Y intercepts:(0,-3)
You might be interested in
Given the equation 9x+3/4 y=6 and 2x+1/2 y=9, by what factor would you multiply the second equation to eliminate y and solve the
anyanavicka [17]
To eliminate a cariable in a system of equations, we multiply the variable by a factor that will make both coefficients of the variable to be equal.
Thus, we multiply the coefficient of y in the second equation by a factor that will make it equal to the coefficient of y in the first equation. i.e. multiply 1/2 by a factor that makes it equal to 3/4. and the factor is 3/2.
Therefore, the third option is the correct answer.
5 0
3 years ago
PLEASE HELP WITH #14 AND #7 PLEASE A.S.A.P !!!
kodGreya [7K]

Answer:

7.) 16.7

Step-by-step explanation:

7). First you have to find the length of the line with the triangle that is at a 90 angle with the longest side of the triangle

Using the pythagrorem theorem a² + b² = c²

4² + b² = 5²

b² = 5² - 4²

b² = 25 - 16

b² = 9

√b² =√9

b = 3

next you do the same thing to find the missing segment of the longest side

3² + b² = 13²

b² = 169 - 9

b² = 160

b = √160 or  ≈ 12.7

12.7 + 4 = 16.7

so 16.7 is the length of that side


3 0
3 years ago
A 4 pound roast must be cooked for 30 minutes per pound and must rest for 15 minutes when must it be put into the oven in order
Alinara [238K]
So put it in 2 hours and 15 minutes before 6pm which would be 3:45
4 0
3 years ago
Destiny works on commission as an office supply saleswoman. She sold a computer that cost $700 and received a $126 commission. W
Lisa [10]
To figure out the answer to this problem, you must first ask yourself this:
<span>
</span><span>How much is 126 of 700
</span>                  or
<span>What is 126 divded by 700
</span>
The answer is 0.18.

So, that means that 0.18 or 18 percent might be your answer.

Now, lets try 18 percent of 700, to see if we get 126.

<span>18% times 700
</span>
The anwer is 126.

SO:

$126 is 18 percent of 700. 


18 percent of her sale is Destiny's commission.
7 0
3 years ago
14 divided 3/11 +14 x
slamgirl [31]

Answer:

14x+14/33

Step-by-step explanation:

14÷3/11+14x=

5 0
3 years ago
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