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3 years ago

Ms. Ghandi runs 1 mile each morning and 1 mile each evening. She also does

2 answers:

8 0

<h2><u>Step-by-step explanation:</u></h2><h2>a. Possible answer: 2(m 1 10p) shows that she runs 1 mile and does 10 push-ups two times a day. 2m 1 20p shows that she runs 2 miles and does 20 push-ups each day.</h2><h2 /><h2><u>Thank you</u></h2><h2><u>sunshinemadison101</u></h2>

RoseWind [281]3 years ago

6 0

The first expression, 2(m+10p) represents how much she exercised because Ms. Ghandi runs a mile twice a day and does 10 push ups twice a day so if you take out the common multiple of 2 and multiply it by one set is shows how much she does in a day
the second equation, 2m+20p represents how much she exercises because she runs a mile twice a day and does 10 push ups twice a day

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In preparing a certain ointment, a pharmacist used 28.35 g of zinc oxide instead of the 31.1 g called for. Calculate the percent

Vilka [71]

Answer: 9.70%

Step-by-step explanation:

The formula to find the percentage error is given by :-

$\%\text{ error}=\dfrac{|\text{Estimate-Actual}|}{\text{Actual}}\times100$

Given : Actual mass of zinc oxide used by pharmacist = 28.35 g

Estimated mass of zinc oxide used by pharmacist =31.1 g

Now, $\%\text{ error}=\dfrac{|31.1-28.35|}{28.35}\times100$

i.e. $\%\text{ error}=\dfrac{2.75}{28.35}\times100$

i.e. $\%\text{ error}=9.70017636684\approx9.70\%$

Hence, the percentage of error on the basis of the desired quantity.= 9.70%

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3 years ago

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Sindrei [870]

Answer: 120m

Step-by-step explanation:

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2 years ago

The equation K = mv2 represents the energy an object has based on its motion. The kinetic energy, K, is based on the mass of the

docker41 [41]

<span>The answer is She should have multiplied by 2 instead of dividing by 2.
First one.</span>

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3 years ago

Read 2 more answers

Which value for k makes the equation 42 ÷ k = 14 true? Select all that apply. A. 588 B. 62 C. 1452 D. 3 E. 23

Alexus [3.1K]

Answer:

Step-by-step explanation:

What divided by 42 equals 14? In other words, you have an unknown number (X), and then if you divide that X by 42 you get 14. Then what is that X? The equation to calculate what divided by 42 equals 14 is as follows: X/42 = 14 Where X is the answer. When we solve the equation by multiplying each side by 42, you get get:

X = 588

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2 years ago

Find the equation of the line parallel to y=x-3 that also intersects the points (3,-2)

Reika [66]

Answer:

y = x - 5

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = x - 3 ← is in slope- intercept form

with slope m = 1

• Parallel lines have equal slopes, hence

y = x + c ← is the partial equation of the parallel line.

To find c substitute (3, - 2) into the partial equation

- 2 = 3 + c ⇒ c = - 2 - 3 = - 5

y = x - 5 ← equation of parallel line

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3 years ago