3 years ago

Alex buys 2. pounds of grapes. He buys

1 answer:

3 0

You will multiply 2 1/4 x 1 1/4 to determine how many pounds of apples Alex buys.

2 1/4 x 1 1/4
9/4 x 5/4 = 45/4 or 11 1/4

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David's optometrist sold him a bottle of eyeglass cleaner containing 30 ml of glasscleaning solution. assuming there are 20 drop

Furkat [3]

Each complete cleaning requires 6 drops of cleaner. Let's convert that to ml:

6 drops 1 ml 3 ml cleaner
----------- * ------------- = ------------------- = 0.3 ml cleaner per cleaning
20 drops 10 cleanings

Recall that 1 bottle contains 30 ml cleaning fluid.

How many cleanings is one bottle of fluid good for?

1 bottle 0.3 ml
----------- = ----------- => x = 100 cleanings/bottle
x 30 ml

8 0

3 years ago

Solve x^2 – 8x + 41 = 0 for x.

icang [17]

$\displaystyle x^2 - 8x + 41 = 0 \\\\ \Delta=b^2-4ac \\ \Delta=(-8)^2-4\cdot1\cdot41 \\ \Delta=64-164 \\ \Delta=-100 \\ \\ X_{1,2}= \frac{-b\pm i \sqrt{-\Delta} }{2a} = \frac{8 \pm 10i}{2} \\ \\ X1=4-5i \\ \\ X2=4+5i$

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2 years ago

Consider the equation 21 = m + 14 1/6. Which step will help to solve this equation? A add 14 1/6 on both sides of the equation.

Furkat [3]

Answer:

B. subtract

Step-by-step explanation:

Subtracting is the opposite of adding which is what is originally in the equation, by subtracting you are canceling out the 14 1/6

7 0

2 years ago

Heeellllppp~ I beg you, I'm crying~ because I have been waiting for a long time now and I have asked this question multiple time

sp2606 [1]

Answer:

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Step-by-step explanation:

Sister I gotcha b

6 0

2 years ago

keisha drove 380 miles using 14 gallond of gas. At this rate, how many gallons of gas would she need to drive 418 miles?

pychu [463]

14gallons=380miles

14/380=0.03684210526gallons/mile

418*0.03684210526=15.4gallons

or you could cross multiply

14gallons=380miles
x gallons=418miles

$\frac{14}{380} = \frac{x}{418}$

380x=5852
divide both sides by 380
x=15.4 gallons

8 0

2 years ago