A.
B.
C.
D.

Help me please!!

Answer:

8 pages

Step-by-step explanation:

It is given that,

You need to read 20 poems in 5 days for an English project. Each poem is 2 pages long.

We need to find no of pages you need to read each day. Let the no of pages are x. It can be calculated as follow :

[tex]x=20\times 2/5\\\\=20\times \dfrac{2}{5}\\\\=4\times 2\\\\=8[/tex]

Hence, there are 8 pages you need to read each day.

Answer:

What is the correct unit rate?

The correct unit rate = 2 pound per gallon

What was Henry's likely​ error?

Henry's likely error was that instead of dividing the fractions he multiplied them

Step-by-step explanation:

Henry incorrectly said the rate 1/5 pound/1/10 gallon can be written as the unit rate 1/50 pound per gallon .

What is the correct unit​ rate?

The correct unit rate

= 1/5 / 1/10

= 1/5 ÷ 1/10

= 1/5 × 10/1

= 2 pound per gallon

What was Henry's likely​ error?

Henry's likely error was that instead of dividing the fractions he multiplied them

1/5 / 1/10

Henry calculated it : = 1/5 x 1/10 = 1/50

This is wrong.

The correct step is given below

1/5 / 1/10

= 1/5 ÷ 1/10

= 1/5 × 10/1

= 2 pound per gallon

Answer:

y=1/4x

Step-by-step explanation: in image below

Answer:

y - 4 = -5(x - -6)

Step-by-step explanation:

its correct

Answer:

[tex]2.89\ \text{s}[/tex]

0.11 seconds

[tex]37.4\ \text{m}[/tex]

Step-by-step explanation:

[tex]t_1[/tex] = Time taken by the pebble to hit the water

[tex]t_2[/tex] = Time taken by the sound to travel to the observer

[tex]t_1+t_2[/tex] = Time taken by the observer to listen to the splash after stone is thrown = 3 s

[tex]t_1=3-t_2[/tex]

a = g = Acceleration due to gravity = [tex]9.81\ \text{m/s}^2[/tex]

[tex]u_s[/tex] = Speed of sound = 340 m/s

The distance traveled by the pebble

[tex]s=ut+\dfrac{1}{2}at_1^2\\\Rightarrow s=0+\dfrac{1}{2}\times9.81(3-t_2)^2\\\Rightarrow s=4.905(9+t_2^2-6t_2^2)[/tex]

Distance traveled by the sound

[tex]s=u_st\\\Rightarrow s=340\times t_2[/tex]

The distance traveled by the sound and the pebble is equal

[tex]4.905(9+t_2^2-6t_2)=340\times t_2\\\Rightarrow 9+t_2^2-6t_2=\dfrac{340}{4.905}t_2\\\Rightarrow 9+t_2^2-6t_2=69.32t_2\\\Rightarrow t_2^2-75.32t_2+9=0\\\Rightarrow t_2=\frac{-\left(-75.32\right)\pm \sqrt{\left(-75.32\right)^2-4\times \:1\times \:9}}{2\times \:1}\\\Rightarrow t_2=75.2,0.11[/tex]

Since [tex]t_1+t_2=3[/tex] the value of [tex]t_2[/tex] cannot be greater than 3.

So, time taken by the sound to reach the observer is 0.11 seconds.

Time taken by the pebble to hit the water is [tex]t_1=3-t_2=3-0.11=2.89\ \text{s}[/tex]

Depth of the well is [tex]s=340t_2=340\times 0.11=37.4\ \text{m}[/tex]

Answer:

17

Step-by-step explanation:

5x-68=x

5x-x=68

4x=68

x=68/4=17

Answer:

3/100=0.03.

second one.

60/10=6.

Answer:

see below

Step-by-step explanation:

just cross multiply:

10 (x) = 3 (100)

x = 300 / 10

x = 30

same as above, just cross multiply:

100 (x) = 60 (10)

x = 600 / 100

x = 6

Answer:

this is fhe cordecr answer for rhis

[tex]5 \sqrt{6} [/tex]

Answer:

Simon and Sophia payed $3.40 each.

Step-by-step explanation:

5.10/6= 0.85

0.85 dollars per pretzel.

0.85*8= 6.8

Simon and Sophia payed $6.80 together.

6.80/2= 3.4

Simon and Sophia payed $3.40 each.

Answer:

They each pay $3.40.

Step-by-step explanation:

I took 6 and divided $5.10 into 6 to get the cost per pretzel. Then, I multiplied the cost of one pretzel by 8, and divided by two to evenly split the cost between Simon and Sofia. Hope this helps!!

Answer:

Answer:

457/100

Step-by-step explanation:

just move the decimal to the right twice and put a hundred underneath

Answer:

4

Step-by-step explanation:

hihihihihihihihihihi

Answer:

Step-by-step explanation:

7.

Domain : { x | -2 < x < 2 } (x such that x is greater than -2 and less than 2)

Range: { y | 1 < y < 5 } (y such that y is greater than 1 and less than 5)

8.

Domain: { x | x € ℝ } (x such that x is all real numbers)

Range: { y | x € ℝ } (y such that y is all real numbers)

Answer:

5280

Step-by-step explanation:

I'm American and our system sucks but 1 mile is equal to 5280 feet

May I have brainliest please? :)

Answer:

I'm American and our system sucks but 1 mile is equal to 5280 feet

Answer:

The Answer is (3,2) I took the test on A.P.E.X.

Answer:

449.65

Step-by-step explanation:

391x.15=58.65

$58.65+$391= 449.65

Answer:

12.13

Step-by-step explanation:

Please tell me if I'm correct!

Answer:

12.13

Step-by-step explanation:

Step-by-step explanation:

10 -3 10+3*-3= 12 x=10-8=6

Answer:

6

Step-by-step explanation:

In order to calculate length of one of the side we would need to find the cube root. The cube root of 216 would be 6 as 6*6*6 would be 216

Answer:

6

Step-by-step explanation:

The volume of a cube is length squared.

The square root of 216 is 6, therefore the length is 6 centimeters.

Answer:

A) 12x-4y

Step-by-step explanation:

Since a square has a perimeter of P=4s, then P=4(3x-y)=12x-4y, therefore A is the correct option.

Answer:

c ≤ 13

I think what was the question tho

Step-by-step explanation:

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Answer: the answer is $456 and that is correct

Step-by-step explanation:

152×3= $456

Answer:

a. true

b. false

Step-by-step explanation:

Answer:

Step-by-step explanation:

The formula for the remaining volume of fuel in a car's tank is expressed as;

V = I - E.D

where;

I is the initial volume of fuel,

E is the fuel efficiency, and;

D is the distance traveled.

Given

I = 30 litres

1m³ = 1000L

x = 30L

x = 30/1000

x = 0.03m³

I = 0.03m³

E = 100cm³/km

E = 100*10^-6m³/km

E = 10^-4m³/km

E = 10^-4m³/1000m

E = 10^-7m²

D = 120km

Convert km to metres

D = 120km = 120,000m

Substitute the results into the formula;

V = I - E.D

V = 0.03 - (10^-7)(120,000)

V = 0.03 - 0.012

V= 0.018 m³

Convert 0.018 m³ to litres

Since 1 m³ = 1000L

0.018 m³ = y

cross multiply;

y  = 1000 * 0.018

y = 18 litres

Hence volume of fuel that remains in Carson's tank by the end of the drive is 18 litres