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JulsSmile [24]
3 years ago
11

Simplify 6 x 10−7 2 x 105 .

Mathematics
1 answer:
mafiozo [28]3 years ago
7 0

Answer:

-49

Step-by-step explanation:

it would be this because first we would have to figure out what 6*10 is that why we know what to distribute . so once we figure it out , which is 70 . We would then subtract 14 from 70 . Since 7 is right next to 2 we would then multiply it to get to 14. Once we get that you should get 56, from there you would subtract 56 to 105 , and get your answer.

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They hiked more on the 2nd day because they are retracing their steps.
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3 years ago
What is the answer???
mestny [16]
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4 0
3 years ago
In hopes of encouraging healthier snacks at school, Wanda brought in a tray of carrot sticks and apple slices to share. The tray
lana66690 [7]

Answer:

Wanda brought 9 carrot sticks.

Step-by-step explanation:

  1. Convert 30% to a decimal by removing the percent sign and dividing by 100: 30 ÷ 100 = 0.30
  2. Substitute 0.30 for 30% in the equation: 30% x 30 = Y becomes 0.30 * 30 = Y
  3. Do the math: 0.30 x 30 = 9
  4. Y = 9
  5. So 30% of 30 is 9
  6. Double check your answer with the original question: How many carrot sticks did Wanda bring? Multiply 0.30 x 30 = 9
4 0
2 years ago
Graph the line for y-1=7(x - 2) on the coordinate plane
Lady_Fox [76]

The point-slope form:

y=y_1=m(x-x_1)\\\\(x_1,\ y_1)-point\\m-slope

We have

y-1=7(x-2)

Therefore

the point = (2, 1)

the slope = 7

The slope m=\dfrac{\Delta y}{\Delta x}=7\to\dfrac{\Delta y}{\Delta x}=\dfrac{7}{1}

7 units up and 1 unit right.

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

Other method.

y-1=7(x-2)\qquad|\text{use distributive property}\\\\y-1=7x-14\qquad|+1\\\\y=7x-13

It's the slope-intercept form.

for x = 0 → y = 7(0) - 13 = 0 - 13 = -13 → (0, 13)

for x = 2 → y = 7(2) - 13 = 14 - 13 = 1 → (2, 1)

6 0
3 years ago
What amount of a 40% acid solution must be mixed with 200 mL 10% solution to produce a 20% solution?
vaieri [72.5K]

Answer:

Step-by-step explanation:

(x + 200)20 = 200(10) + x(40)

20x + 4000 = 2000 + 40x

2000 = 20x

X = 100 mL

8 0
3 years ago
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