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vivado [14]
3 years ago
13

Help please I’ll mark brainliest

Mathematics
1 answer:
BARSIC [14]3 years ago
3 0

Step-by-step explanation:

please have not learnt this forgive me sorry

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Blakes goes from averaging 8 hours of sleep for a school night to averaging 6.5 hours of sleep on the weekend. What is the perce
beks73 [17]

Answer:

Step-by-step explanation:

So Blakes sleep 8 hours per night during the school day

8 hours/night...................................100%

6.5 hours/night...................................?

6.5*100/8=81.25

the change in percentage is 100-81.25=18.75%

the percentage change is 18.75

if it is easier for you, another method is:

8-6.5=1.5 subtract the original amount to the new amount

1.5/8=0.1875 divide by the original amount

0.1875*100=18.75 find the percentage

7 0
4 years ago
Write the numbers in order from least to greatest. -3, 1 ¹/4, -1 3/4, ¹/10​
galben [10]
-3, -1 3/4, 1/10, 1 1/4
6 0
3 years ago
<img src="https://tex.z-dn.net/?f=x%28x%5E%7B2%7D%20%2B2x%20%2B4%29%20-%28%20x%5E%7B2%7D%20%2B2x%20%2B%204%29%20.%202%3D0" id="T
Svetach [21]

We have:

x(x^{2} +2x+4) - (x^{2} +2x+4).2 =0\\(x^{2} +2x+4)(x-2)=0\\x^3-8=0 \\x^3=8\\x^3=2^3\\x=2

ok done. Thank to me :>

7 0
2 years ago
The capacities of two trucks are 3 tons and 4 tons respectively. If the smaller truck makes 18 more trips than the larger, it ca
maw [93]

Let's assume

x represent the number of trips that the larger truck makes

so, we are given

If the smaller truck makes 18 more trips than the larger

so,

number of trips for larger truck =x

number of trips for smaller  truck =x+18

The capacities of two trucks are 3 tons and 4 tons respectively

so, capacity of smaller truck per trip =3 tons / trip

total ton carried by smaller truck = (number of trips for smaller  truck)*(capacity of smaller truck per trip)

now, we can plug values

total ton carried by smaller truck =3*(x+18)

total ton carried by larger truck = (number of trips for larger  truck)*(capacity of larger truck per trip)

total ton carried by larger truck =4x

it can deliver 12 more tons of freight than the larger

so, we get

3(x+18)=4x+12

we can move 4x on left side

we get

3(x+18)-4x=12...............Answer

5 0
3 years ago
PLEASE HELP ME WITH THIS I NEED THIS SO BAD
Aleks04 [339]

Answer:

0.8 miles

Step-by-step explanation:

4224ft / 5280ft = 0.8

6 0
3 years ago
Read 2 more answers
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