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Mars2501 [29]
4 years ago
8

9x + 3y = 4 7x + 3y = 20

Mathematics
1 answer:
xeze [42]4 years ago
5 0

Answer:

x=-8, y=76/3

Step-by-step explanation:

I solved for substitution since I didn't know exactly what you're solving for.

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Match the key aspect of a functions graph with its meaning.
jarptica [38.1K]

Answer:

1 - C

2 - A

3 - D

4 - B

Step-by-step explanation:

Consider an arbitrary function y=f(x).

1. f(x)>0 means y>0. y>0 determines all points on the graph which have positive y-coordinates. Positive y are corresponding to those x from the domain, for which graph lies above the x-axis. So 1 - C

2. f(x)<0 means y<0. y<0 determines all points on the graph which have negative y-coordinates. Negative y are corresponding to those x from the domain, for which graph lies below the x-axis. So 2 - A

3. To find y-intercept, we have to substitute x=0, so input is zero. Hence, 3 - D

4. To find x-intercept, we have to substitute y=0, so output is 0. Hence, 4 - B

4 0
4 years ago
Read 2 more answers
Can a base angle of an isosceles triangle be an obtuse angle
jeka57 [31]

Answer:No it can't.

Step-by-step explanation:

7 0
4 years ago
Evaluate the expression shown and write your answer as a fraction in simplest form.
Svetach [21]
Hey! I got you! Your answer will be 1 23/24 as a mixed fraction and your improper fraction will be 47/24. Enter whichever question your teacher wants but I suggest improper unless stated otherwise!

Please give brainliest❤️
8 0
3 years ago
According to the rational root theorem, which statement about f(x)=66x^4-2x^3+11x^2+35 is true?
andrezito [222]

Answer:

Option (1)

Step-by-step explanation:

If a polynomial is given in the form of f(x) = ax³ + bx² + c

By rational root theorem rational roots of the given polynomial will be,

x = \frac{\pm \text{Factors of c}}{\pm \text{Factors of a}}

Given polynomial in the question is,

f(x) = 66x⁴- 2x³ + 11x²+ 35

Possible rational roots will be,

x = \frac{\pm \text{factor of 35}}{\pm \text{Facors of 66}}

Therefore, Option (1) will be the answer.

5 0
3 years ago
Judy Ring purchased a watch with a retail price of $8,000. She still has to pay a sales tax of 6% and an excise tax of 10%. Sinc
Bumek [7]
The total purchase price of the watch is: $9,300

$8,000 + (0.06 × $8,000) + (0.10 × 8,000) + $20

$8,000 + $480 + $800 + $20

7 0
4 years ago
Read 2 more answers
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