1. Write an equivalent
ratio by multiplying:
1
-

4

Answer: 3/20

Concept:

When encountering questions that ask for [how much longer A comparing to B], the basic operation would be the value of A subtracted by the value of B.

Solve:

Given information

Maggie study time = 2/5 hours

Julie study time = 1/4 hours

Given expression deducted from the concept

Maggie (study time) - Julie (study time)

Substitute values into the expression

2/5 - 1/4

Find the denominators' Least Common Multiple (LCM)

First five multiples of 5: 5, 10, 15, 20, 25

First five multiples of 4: 4, 8, 12, 16, 20

Since [20] is the first term that appears in both multiples, it would be the LCM of 4 and 5

Convert the fractions to common denominator

2/5 = (2 × 4) / (5 × 4) = 8 / 20

1/4 = (1 × 5) / (4 × 5) = 5 / 20

Simplify by subtraction

=8/20 - 5/20

=(8 - 5) / 20

=[tex]\boxed{\frac{3}{20} }[/tex]

Hope this helps!! :)

Please let me know if you have any questions

Answer:

you would add 3x+2 and 6x-4

9x -2 is the length

Step-by-step explanation:

Answer:

X=67°,Z=113°,Y=0°

Step-by-step explanation:

2.1=

X+113°=180°(being straight angle)

Or, X=180°-113°

Or,X=67° answer

Now,

Z=113°(being alternative angle)

Again,Y+Z+X=180°(being co-interior angle)

Or, Y+113°+67°=180°

Or,Y+180°=180°

Or,Y=180°-180°

=Y=0° answer

Answer:

87

Step-by-step explanation:

f(x)=19x+11

Let x = 4

f(4) = 19*4 +11

     =76 +11

     = 87

Answer:

[tex]f(x) = 19x + 11 \\ f(4) = 19 \times 4 + 11 \\ = 76 + 11 \\ = 87 \\ thank \: you[/tex]

Answer:

Undercast refers to a forecasting error when estimated numbers turn out to be lower than realized numbers. The estimates that are valued can include sales, expenses, income, cash flows, or any other financial account or metric.

Answer:

3/10

Step-by-step explanation:

Take the number of pizzas and divide by the number of people

3 pizzas / 10 people

Each person got 3/10 of a pizza

Answer:

[tex] \frac{3}{10} [/tex]

Step-by-step explanation:

[tex] \frac{pizza}{number \: \: of \: \: \: people} \\ \frac{3}{10} [/tex]

Each person received 3/10 of pizza

Answer:

a) 0.025£ b)3825£

Step-by-step explanation:

a) 5200-200=5000 - of the value will be lost after reaching the milleage of 200000 miles

200000-5000

1-x

200000=5000/x

x=5000/200000= 5/200=1/40=0.025£- the depreciation cost per mile

b)0.025*55000= 1375- the decreasing of the price

5200-1375=3825£- the book value of the car after it has driven 55000 miles

Step-by-step explanation:

let the number

[tex] = x[/tex]

Then:

[tex](3x - 14) = 53 \\ 3x = 53 + 14 \\ 3x = 67 \\ x = 67 \div 3 = 22.33[/tex]

Answer:

[tex]number = x \\ 3x - 14 = - 53 \\ 3x = - 53 + 14 \\ 3x = - 39 \\ x = \frac{ - 39}{3} \\ x = - 13 \\ thank \: you[/tex]

Answer:

92170

I hope it's helps you

Answer:

Srectangle: (3y+1)*25=75y+25(cm^2)

Step-by-step explanation:

Srectangle= w*L

Answer:

If two vectors are perpendicular, then their dot-product is equal to zero. The cross-product of two vectors is defined to be A×B = (a2_b3 - a3_b2, a3_b1 - a1_b3, a1_b2 - a2*b1). The cross product of two non-parallel vectors is a vector that is perpendicular to both of them.

Step-by-step explanation:

Answer:

2300

Step-by-step explanation:

when rounding 2259 to the nearest hundred look at the digit in the tens place, if the number is 5 or higher, you round up to 2300, if its 4 or less, you round down to 2200. hope this helps!

Answer:

The answer is 2,157

Step-by-step explanation:

15,099÷7=2,157

Step-by-step explanation:

the explanation is in the diagram above

Answer:

So, 23, 29, 31, 37, 41, 43 and 47 these are the prime numbers between 20 and 50.

Step-by-step explanation:

plz mark me brainliest

Answer:

So the prime numbers between 20 and 50 are so easy

- 23, 29, 31, 37, 41, 43 and 47

these are the prime numbers between 20 and 50

Step-by-step explanation:

Hope it helps

Answer:

The guitar's volume was amplified, but it was hard to hear the notes since it was so loud.

What word or phrase is a signal word that a context clue might be nearby to help determine the meaning of "amplified"?

Step-by-step explanation:

Answer:

21

Step-by-step explanation:

3^2=9

9+12=21

Keep it up

[tex]\\ \rm\longmapsto \overline{z}=-(z)[/tex]

[tex]\\ \rm\longmapsto \overline{z}=-(x+iy)[/tex]

[tex]\\ \rm\longmapsto \overline{z}=-(\sqrt{3}+2)[/tex]

[tex]\\ \rm\longmapsto \overline{z}=-\sqrt{3}-2[/tex]

Answer:

None of the above.

Step-by-step explanation:

Just subtract the functions

Step-by-step explanation:

125cm = 1.25m.

2m : 1.25m = 8:5

9514 1404 393

Answer:

Step-by-step explanation:

Let x, y, z represent the numbers of 20-cent, 35-cent, and 50-cent valentines. Then the given relations can be written as ...

  x = 1 +2y

  z = -2 +y

  0.20x +0.35y +0.50z = 4.20

__

Using the first two equations to substitute for x and y in the third equation, we get ...

  0.20(1 +2y) +0.35y +0.50(-2 +y) = 4.20

  1.25y -0.80 = 4.20 . . . . . simplify

  1.25y = 5.00 . . . . . . . . . . add 0.80

  y = 4 . . . . . . . . . . . . . . . divide by 1.25

  x = 1 +2(4) = 9

  z = -2 +4 = 2

Romeo bought 9 20-cent, 4 35-cent, and 2 50-cent valentines.

Answer:

27

Step-by-step explanation:

let "L" represent the length of the rectangle

let "W" represent the width of the rectangle

Area of the rectangle = LW

68= LW --------eqn 1

Area of a square = L/2 ×L/2

34= L^2/4

136=L^2

L= 11.67

From eqn 1 , W=68/L

W=68/11.6619

W=5.83

Answer:

3/8

Step-by-step explanation:

1/2=⁴/8 and ⁴/8-¹/8=³/8

Answer:

[tex]x = 9 \\ y = 3 \\ xy = x \times y = 9 \times 3 \\ = 27[/tex]

Answer:

Step-by-step explanation:

1. 20

2. 100

3. 25

4. 45

5. 50

6. 54

7. 80

8. 192

9. 33

10. 128