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artcher [175]
2 years ago
9

Which of the following numbers has the correct number of significant digits for the sum of 4.0125 and 5.72?

Mathematics
2 answers:
sladkih [1.3K]2 years ago
6 0

Answer:

the answer to your question is 9.73

musickatia [10]2 years ago
5 0

Answer:

A

Step-by-step explanation:

Because according to my calculations there are supposed to be 5 digits and for the answers for the question A is the only letter with an answer with 5 digits.

My answer was 9.7325(even though the answers is different they still have the same number of digits) and for A it is 9.7324 which is another 5 digits.

Here is why I got 5 digits.

4.0125

5.7200

_______

When we add these we have to add 0er's to 5.72 because it doesn't have enough digits to add so you add zero's to it.

So 5 +0=5  2 +0=2  1 +2=3  0 +7=7  and for our last number 4 + 5=9 and so our answer is ?

9.7325

and the 9 = 1 digit 7=2 digit 3= 3 digits 2= 4 digits and last 5 = 5 digits.

Hope this helps have a great day:)

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3. Marilyn purchased 400 shares of stock for $22.75 per
Mazyrski [523]

The percent gain is 52.1%

Step-by-step explanation:

Given

Purchase price of one share = $22.75

Sale price of one share = $34.60

Total shares = 400

So,

Total purchase price of shares = 22.75*400 = $9100

Total sale price of shares = 34.60*400 = $13840

Total capital gain:

= Sale\ price - Purchase\ price\\= 13840 - 9100\\=4740

Percent capital gain is given by:

Capital\ gain = \frac{Capital\ gain}{Purchase\ price} * 100\\= \frac{4740}{9100} * 100\\=0.5208*100\\=52.08

Rounding off to nearest tenth

52.1%

Hence,

The percent gain is 52.1%

Keywords: Percentage, capital gain

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6 0
3 years ago
Can someone help me out with this please and thank you
anastassius [24]

Answer:

C

Step-by-step explanation:

5 0
3 years ago
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Find an angle measure of angle A and B <br> A (5y-3) <br> C (3y+27)
Mashcka [7]

The measure of angle A and C will be 94.5° and 85.5°.

<h3>How to calculate the angle?</h3>

(5y - 3) + (3y + 27) = 180

Collect like terms

5y + 3y - 3 + 27 = 180

8y = 180 - 27 + 3

8y = 156

y = 156/8 = 19.5

(5y - 3) = (5 × 19.5) - 3 = 94.5

(3y + 27) = (3 × 19.5) + 27 = 85.5

Therefore, the measure of angle A and C will be 94.5° and 85.5°.

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2 years ago
Solve the system of linear equations by graphing. Check your solution.
Phantasy [73]
Without the graph the answer is (2,-1)
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2 years ago
What is the equation of the line that passes through the point (-1, -3) and has a slope of -5?
spin [16.1K]

Answer:

<h2>A) y = -5x - 8</h2>

Step-by-step explanation:

The point-slope form of an equation of a line:

y-y_1=m(x-x_1)

m - slope

(x₁, y₁) - point on a line

We have the slope m = -5, and the point (-1, -3). Substitute:

y-(-3)=-5(x-(-1))\\\\y+3=-5(x+1)

Convert to the slope-intercept form (y = mx + b):

y+3=-5(x+1)          <em>use the distributive property</em>

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y=-5x-8

7 0
3 years ago
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