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sattari [20]
3 years ago
13

At a grocery store, Candy buys 2 cantaloupes at "x" dollars each and 1 watermelon at "y" dollars. Her total bill is $9. Chip goe

s to the same grocery store and buys 1 cantaloupe at "x" dollars and 1 watermelon at "y" dollars. His total bill is $6.
Write and solve a system of linear equations by graphing to find the cost "x" of a cantaloupe and the cost "y" of a watermelon.
#mathnextperiod
Mathematics
2 answers:
asambeis [7]3 years ago
6 0
9 = 2x + y
6 = x + y
are the equations
Masja [62]3 years ago
6 0
2x + y = 9
x + y = 6
To graph, rewrite in y=mx+b form
y = -2x + 9 (slope -2, y-intercept 9)
y = -x + 6 (slope -1, y-intercept 6)

Once you graph you will see that the point of intersection is (3,3).
The cantaloupe costs $3 and the watermelon costs $3.
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Insert parentheses to make these equalities correct<br> 1+2·3+4·5=65
vichka [17]

Answer:

((1+2)*3+4)*5

Step-by-step explanation:

1+2×3+4×5=65

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

  • ((1+2)×3+4)×5=
  • (3×3 + 4)×5 =
  • (9 + 4)×5 =
  • 13×5 = 65
5 0
3 years ago
Explain the differences between adding and multiplying radical expressions using 2 examples you create.
aliya0001 [1]
When you multiply radical expressions you multiply the numbers under the radical symbols.<span><span>3–√</span>×<span>7–√</span>=<span>21<span>−−</span>√</span></span>
When you add radical expression you CANNOT add the numbers under the radical symbols.
<span><span>3–√</span>+<span>7–√</span>≠<span>10<span>−−</span><span>√</span></span></span>
6 0
3 years ago
Hey can you please help me posted picture of question
ipn [44]
The number of roots of a quadratic function can be determined from its discriminant.

If Disc> 0, the function has two distinct roots
If Disc = 0, the function has a repeated root
If Disc < 0, the function has no real root.

The discriminant can be calculated as:

Disc = b² - 4ac

For the given equation:

Disc = 9 - 4(2)(1) =1

Since the value of discriminant is positive, the function will have two distinct roots.

So, the answer to this question is option B
7 0
3 years ago
Choose the correct simplification of the expression (3x)4.
Sonbull [250]

Answer:

81x4

~Hope this answers your question!~

3 0
2 years ago
Read 2 more answers
A colored chip is yellow on one side and red on the other. The chip was flipped 50 times and landed red side facing up 21 times.
meriva

<u>Answer:</u>

42%

<u>Step-by-step explanation:</u>

We know that the number of times red side is faced up = 21; and

the total number of times colored chip is thrown = 50

Frequency of red side = (No of times red side is faced up / Total number of times colored chip is thrown)   * 100%

Frequency of red side = (21 / 50) * 100% = 0.42 * 100 = 42%

Therefore, the relative frequency of the chip landing with the red side facing up is 42%.

6 0
3 years ago
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