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3 years ago

PLZ HELP PLZ! TY! WILL GIVE BRAINLIEST TO WHOEVER ANSWERS

Mathematics

1 answer:

Marysya12 [62]3 years ago

7 0

Take the y and x and 4 as a common factor and you will get 4xy(2yz+3x) the second one is the answer

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Ivanna received a $90 gift card for a coffee store. She used it in buying some coffee that cost $7.68 per pound. After buying th

True [87]

Answer:

3 pounds

u have to use y=mx+b

90=7.68x+66.96

subtract the 66.96 from the 90

then just divide

6 0

2 years ago

What are the answers to type in the yellow boxes?

Scorpion4ik [409]

Answer: The yellow boxes in order are 64, -40, 24

Step-by-step explanation:

(-8)^2 = 64

5*-8 = -40

y = 1*64 + (-40)

y = 64 - 40

y = 24

8 0

1 year ago

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Set of integers between -4 and 4

lyudmila [28]

Answer:

-3, -2, -1, 0, 1, 2, 3

Step-by-step explanation:

6 0

2 years ago

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Mark dropped an object from a bridge 400 feet above the ground level with an initial velocity of 0. He knows that the gravitatio

lisabon 2012 [21]

Answer:

The first listed equation is the correct equation to solve

The correct answer is: t = 5 seconds

Step-by-step explanation:

Let me mention first that there is an error in the statement that the gravitational pull of the Earth is 16 ft/s^2. It is in fact 32 ft/s^2, and the actual equation uses half of the acceleration multiplied by the square of the variable time, so it gives as final expression :

$y(t)=-16\,t^2+ 0 \,t +400$

and we want to find the value/s for "t" that make this equation equal zero (when it reaches the ground and the object just touches the ground. This makes the equation we want to solve:

$0=-16\,t^2+ 0 \,t +400\\16\,t^2+0\,t -400=0$

which solving for "t" becomes:

$16\,t^2-400 =0\\16\,t^2=400\\t^2=\frac{400}{16} \\t^2=25\\t= +/- 5\,\,sec$

So we adopt the positive answer (positive time) since the negative value has no physical meaning for this problem.

That is: t = 5 seconds

6 0

2 years ago

10 people can paint a building in 5 days. if each person painted as quickly as the others then how much of the building could 7

Paul [167]

So basically it takes 10 people to paint a whole building. Forget about the 5 days. That's just there to confuse you. You have to first find out how much of a building can one person paint so, 1/10. So that means that 7 people can paint 7/10 of a building in 5 days

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2 years ago

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