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Gnoma [55]
2 years ago
9

HELP PLZZZZ !!!

Mathematics
1 answer:
Mnenie [13.5K]2 years ago
4 0

Answer

Step-by-step explanation:

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Could use some help pls.
Murrr4er [49]

Answer:

9 cans of soup and the 4 frozen dinners were purchased

Step-by-step explanation:

Let x represent the number of cans of soup purchased.

Let y represent the number of frozen dinners purchased.

Lincoln purchased a total of 13 cans of soup and frozen dinners. This means that

x + y = 13

Each can of soup has 250 mg of sodium and each frozen dinner has 550 mg of sodium. The 13 cans of soup and frozen dinners which he purchased collectively contain 4450 mg of sodium. This means that

250x + 550y = 4450 - - - - - - - - -1

Substituting x = 13 - y into equation 1, it becomes

250(13 - y) + 550y = 4450

3250 - 250y + 550y = 4450

- 250y + 550y = 4450 - 3250

300y = 1200

y = 1200/300

y = 4

Substituting y = 4 into x = 13 - y, it becomes

x = 13 - 4 = 9

7 0
3 years ago
A 10 ft fence is 8 in. Long on a scale drawing. What is the scale?
Gnoma [55]

Answer:

I'm not sure what the answer choices are but that would seem like a piece of sketch paper.

Step-by-step explanation:


8 0
3 years ago
Scientific notation of 0.000125
tester [92]

Answer:

1.25 × 10^-4

Step-by-step explanation:

Move the decimal until it's at 1.25. You had to go right 4 times so it's negative. If it were 12500 then you'd do it until it was 1.2500 which would be going left so it'd be a positive 4

5 0
2 years ago
Write the equation of a line that is parallel to the line-y=-x+6
Ostrovityanka [42]

Answer:

y=x-5

Step-by-step explanation:

y=mx+b

if lines are parallel then that means the slope (m) is the same so the only thing left to change is the y-intercept (b). this can be anything but probably shouldn't be what the original was

6 0
3 years ago
Don’t know. Pls help. Pls show your work too, thank you!
Ostrovityanka [42]

Answer:

96 m^2

Step-by-step explanation:

The formula for finding the surface area of a cube is 6a^2 where a is a side length.

When you input the given value into the formula you get 6 x 4^2

When you solve that formula, you get 96

Please mark as brainliest ;)

7 0
3 years ago
Read 2 more answers
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