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3 years ago

This is me right here:

Mathematics

2 answers:

Vlad [161]3 years ago

8 0

Answer:

super interesting bro

Step-by-step explanation:

LenaWriter [7]3 years ago

3 0

Answer:

Ik.r I feel youuuuu

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Lm.aooo

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A delivery truck is transporting boxes of two sizes : large and small. The large boxes weigh 45 pounds each, and the small boxes

s344n2d4d5 [400]

Answer:

we have 60 large boxes and 50 small boxes.

Step-by-step explanation:

First, "boxes of two sizes" means we can assign variables:

Let x = number of large boxes

y = number of small boxes

Now, "There are 110 boxes in all" means x + y = 110

Now, the pounds for each kind of box is:

(pounds per box)*(number of boxes)

pounds for large boxes + pounds for small boxes = 4200pounds

"the truck is carrying a total of 4200 pounds in boxes"

(45)*(x) + (30)*(y) = 4200

Now, Solve for one of the variables in the first equation then replace (substitute) the expression for that variable in the second. Let's solve for x:

x = 110 - y [from eq1]

45(110-y) + 30y = 4200 [from eq2]

4950 - 45y + 30y= 4200 [distribute]

4950 - 15y = 4200

-15y = -750

y = 50 [divide both sides by (-15)]

There are 50 small boxes.

Put that value into either equation (now, which is easier?) to solve for x:

x = 110 - y

x = 110 - 50

x = 60

There are 60 large boxes.

Now, let's verify our solution:

Is 60+50= 110 ? [eq1]

110 = 110 ? yes!

Is 60(45) + 50(30) = 4125 ?

2700 + 1500 = 4200 ?

4200 = 4200 ? yes

So we have 60 large boxes and 50 small boxes.

6 0

2 years ago

Read 2 more answers

According to this line plot, 3 players on this team each had 15 strikeouts for a total of 45 strikeouts. How many strikeouts did

Masteriza [31]

Answer: 195

Step-by-step explanation: (3x15)+(5x16)+(2x17)+(2x18)=195

4 0

2 years ago

What is the most convenient method to solve the quadratic equation ( x + 4 )² = 15

IgorC [24]

Answer:

Factoring

Step-by-step explanation:

(x+4)² = 15

x² + 8x + 16 = 15

x² + 8x + 1 = 0

$x = \frac{ - 8 + \sqrt{64 - 4} }{2} = - 4 + \sqrt{15} \\ \\ x = \frac{ - 8 - \sqrt{64 - 4} }{2} = - 4 - \sqrt{15}$

I hope this helps you :)

7 0

2 years ago

Read 2 more answers

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Leno4ka [110]

Answer:

fhasdfbjsdvbsvljbdsvvbdfvbdwvwdbhvlsvlhsvsjvsxvsklvsj

hope this helps

Step-by-step explanation:

6 0

3 years ago

Determine if (3, -1) is a solution to the system.

sp2606 [1]

Answer:

There are a few ways to solve systems of equations.

There are a few ways to solve systems of equations. substitution
There are a few ways to solve systems of equations. substitutionelimination
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If you are looking at a multiple choice question use the ordered pair to plug into the answer choices and whichever one balances out will be your answer. To assist you further I would need more information from the problem.

Step-by-step explanation:

hope it will help you have a great day bye and Mark brainlist if the answer is correct 

 $kai6417$ 

 #carry on learning

8 0

2 years ago