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ch4aika [34]
2 years ago
14

Science class has 24 students. More than 2/3 but less than 3/4 of the class and an a on the first quiz of the year. How many stu

dents earned an A?
Mathematics
2 answers:
kvv77 [185]2 years ago
8 0

Answer:

17

Step-by-step explanation:

3/4x24=18

2/3x24=16

How convinient, only one number in between 18 and 16 and that number is 17!

Hope this helped!

Nookie1986 [14]2 years ago
7 0

Answer:

can you label each part of the book. coppy and write your

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What is the missing value in the table below?
iVinArrow [24]

A geometric series is the collection of an unlimited number of terms with a fixed ratio between them. The missing value in the table below is 343. The correct option is A.

<h3>What is geometrical series?</h3>

A geometric series is the collection of an unlimited number of terms with a fixed ratio between them.

The given table if closely observed forms a geometric progression, this is because the value of the dependent variable, y is increasing by a common ratio. The common ratio in the table is,

Common ratio = y₂/y₁ = 1/(1/7) = 7

Now, for any geometric progression, the value of the nth term is given as,

Tₙ = a₁ (r)⁽ⁿ⁻¹⁾

where a₁ is the first term of the geometric progression and r is the common ratio. Therefore, the nth term of the series is,

T = a₁ (r)⁽ⁿ⁻¹⁾

Tₙ = (1/7) (7)⁽ⁿ⁻¹⁾

y = (1/7)(7)⁽ˣ⁻¹⁾

Now, the value of the y when the value of x is 5 is,

y = (1/7)(7)⁽ˣ⁻¹⁾

y = (1/7)(7)⁽⁵⁻¹⁾

y = (1/7)(7)⁴

y = (1/7) × 2401

y = 343

Hence, the missing value in the table below is 343.

Learn more about Geometrical Series here:

brainly.com/question/4617980

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8 0
1 year ago
You earn $15 per hour to babysit. After babysitting for 3 hours, you will earn $50. Write an equation to represent the relations
vfiekz [6]

Answer:

Step-by-step explanation:

x=50 hope it hleps

7 0
2 years ago
What’s 7(c+2) if c=9
ddd [48]

Answer:

77

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Calculate the following derivative if <br> f(x) = sin(x)<br> and <br> g(x) = 5x + 4.
gayaneshka [121]

Answer:

Rewrite the function as an equation.

y

=

5

x

−

4

Use the slope-intercept form to find the slope and y-intercept.

Tap for fewer steps...

The slope-intercept form is  

y

=

m

x

+

b

, where  

m

is the slope and  

b

is the y-intercept.

y

=

m

x

+

b

Find the values of  

m

and  

b

using the form  

y

=

m

x

+

b

.

m

=

5

b

=

−

4

The slope of the line is the value of  

m

, and the y-intercept is the value of  

b

.

Slope:  

5

y-intercept:  

−

4

Any line can be graphed using two points. Select two  

x

values, and plug them into the equation to find the corresponding  

y

values.

Tap for fewer steps...

Choose  

1

to substitute in for  

x

to find the ordered pair.

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Replace the variable  

x

with  

1

in the expression.

f

(

1

)

=

5

(

1

)

−

4

Simplify the result.

Tap for more steps...

1

The  

y

value at  

x

=

1

is  

1

.

y

=

1

Choose  

0

to substitute in for  

x

to find the ordered pair.

Tap for fewer steps...

Replace the variable  

x

with  

0

in the expression.

f

(

0

)

=

5

(

0

)

−

4

Simplify the result.

Tap for more steps...

−

4

The  

y

value at  

x

=

0

is  

−

4

.

y

=

−

4

Create a table of the  

x

and  

y

values.

x

y

0

−

4

1

1

Graph the line using the slope and the y-intercept, or the points.

Slope:  

5

y-intercept:  

−

4

x

y

0

−

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1

Step-by-step explanation:

8 0
2 years ago
Angela tried to solve an equation step by step. \begin{aligned} \dfrac34+m&amp;=\dfrac54\\\\ \dfrac34+m-\dfrac34&amp;=\dfrac54+\
Liono4ka [1.6K]

Answer:

The mistake she made was ; She didn't change the sign when subtracting -3/4 from both sides

She wrote 5/4+3/4 instead of 5/4-3/4

Step-by-step explanation:

Correct solution:

\frac{3}{4}  + m =   \frac{5}{4}

Subtract-3/4 from both sides

\frac{3}{4}  -  \frac{3}{4}  + m =  \frac{5}{4}  -  \frac{3}{4}

Simplify

m =  \frac{5}{4}  -  \frac{3}{4}  \\ m =  \frac{1}{2}

7 0
3 years ago
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