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3 years ago

Pls helpppppppppppppppppppppppppppppppppppppppppppp

Mathematics

2 answers:

Ierofanga [76]3 years ago

5 0

Answer:

1.53

Step-by-step explanation:

5.34 - 3.81 = 1.53

Thepotemich [5.8K]3 years ago

3 0

Answer:

9.15

Step-by-step explanation:

X - 3.81 = 5.34

add 3.81 to both sides: x = 9.15

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Find the value of x and y

valina [46]

Answer:

X is 90 y is 43

Step-by-step explanation:

8 0

3 years ago

Help me please and thank you

Fittoniya [83]

There are 650 toothpicks in a regular sized box.

That is the volume of the box = 650 toothpicks

Jumbo box is made by doubling all the dimensions.

We know volume = length * width * height = L*W*H

We double all the dimensions for Jumbo box

L becomes 2L

W become 2W

H becomes 2H

Volume of Jumbo box = 2L * 2W * 2H = 8*L*W*H

Volume of jumbo box = 8 * volume of small box

= 8 * 650= 5200

The Jumbo box holds 5200 toothpicks .

7 0

4 years ago

Dwayne drove 18 miles to the airport to pick up his father and then returned home. On the return trip he was able to drive an av

Nesterboy [21]

Answer:

30 mph

Step-by-step explanation:

Let d = distance (in miles)

Let t = time (in hours)

Let v = average speed driving <u>to</u> the airport (in mph)

⇒ v + 15 = average speed driving <u>from</u> the airport (in mph)

Using: distance = speed x time

$\implies t=\dfrac{d}{v}$

Create two equations for the journey to and from the airport, given that the distance one way is 18 miles:

$\implies t=\dfrac{18}{v} \ \ \textsf{and} \ \ t=\dfrac{18}{v+15}$

We are told that the total driving time is 1 hour, so the sum of these expressions equals 1 hour:

$\implies \dfrac{18}{v} +\dfrac{18}{v+15}=1$

Now all we have to do is solve the equation for v:

$\implies \dfrac{18(v+15)}{v(v+15)} +\dfrac{18v}{v(v+15)}=1$

$\implies \dfrac{18(v+15)+18v}{v(v+15)}=1$

$\implies 18(v+15)+18v=v(v+15)$

$\implies 18v+270+18v=v^2+15v$

$\implies v^2-21v-270=0$

$\implies (v-30)(v+9)=0$

$\implies v=30, v=-9$

As v is positive, v = 30 only

So the average speed driving to the airport was 30 mph

(and the average speed driving from the airport was 45 mph)

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2 years ago

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30 POINTS

Rama09 [41]

103 represents how much money Victoria is depositing into the bank, or her principal.

The interest rate is 1.03, or 3%.

3 0

4 years ago

What can be factored from 12g²-27h²

Elenna [48]

Answer: You can use only common factor (3).

Step-by-step explanation:

12g²-27h²

3 . ( 4g² - 9h² )

4 0

3 years ago

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