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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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1. Thom has a scale model of his car. The
MariettaO [177]

x =\frac{4}{3}inch is the size in wheels on the scale model .

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

Correct Question : Tom has a scale model of his car. The scale factor is 1 : 12. If the actual car has 16-inch wheels, what size are the wheels on the scale model?

We have , The scale factor is 1 : 12. We need to find If the actual car has 16-inch wheels, what size are the wheels on the scale model .Let's find out:

Ratio of size of wheels to actual size of wheels is 1:12 , but actual car has 16-inch wheels So ,

⇒ \frac{1}{12}  = \frac{x}{16}                 { x is size of wheel in scale model }

⇒ \frac{1(16)}{12}  = \frac{x}{16}(16)

⇒ x =\frac{16}{12}

⇒ x =\frac{4}{3}inch

Therefore , x =\frac{4}{3}inch is the size in wheels on the scale model .

5 0
3 years ago
Can some please help with this I will give brainliest.​
3241004551 [841]

Answer:

x^{-28}*7^{-56}

Step-by-step explanation:

Firstly, you need to know that raising a fraction to a power raises both the top and the bottom to that power.

Second, a negative power on the top and bottom flips the fraction

Last, raising a power to a power multiplies the powers

So, \frac{7^{-8^{7}}}{x^{4^7}}=\frac{7^{-56}}{x^{28}}=\frac{1}{x^{28}*7^{56}}=x^{-28}*7^{-56}

5 0
2 years ago
A printer can print 12 pages in 9 seconds. What is the closest estimate of the
ExtremeBDS [4]

Answer:

72

Step-by-step explanation:

there are 60 seconds in a minute so about 6 9 seconds in a minute. then there is 12 pages per 9 seconds and since there is 6 9 seconds then you can just multiply 6 by 9 to get the answer 72

5 0
3 years ago
Read 2 more answers
} A rectangle has an area of 25 square feet. A similar rectangle has an area of 200 square feet. What is ratio of the areas of t
ValentinkaMS [17]

Answer:

The ratio of smaller rectangle to larger is 1 : 8.

Step-by-step explanation:

Given that:

Area of smaller rectangle = 25 square feet

Area of larger rectangle = 200 square feet

Ratio of areas of these similar rectangles;

Smaller rectangle : Larger rectangle

25 : 200

1 : 8

Hence,

The ratio of smaller rectangle to larger is 1 : 8.

7 0
3 years ago
HELP it’s not 20.40 which is what someone else answered lol
kvv77 [185]

Answer:

I think it 19.6

Step-by-step explanation:

Sorry if im wrong

7 0
2 years ago
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