MATHEMATICS MIDDLE SCHOOL

What is the reciprocal of 2 3/8

Answers

Answer 1
Answer:


Hey there! Let me help you!

To find what the reciprocal is, you have to turn a proper fraction upside down. For example, the reciprocal of 2/8 would be 8/2. However, when you have an improper fraction, you must first turn it into an improper fraction. To turn a mixed number into an improper fraction, multiply the denominator by the whole number and add the numerator. The denominator will stay the same. For example, to turn 2 3/8 into an improper fraction, multiply 8 by 2 and add 3. That equals to 19. The denominator will stay the same. So, the improper fraction for 2 3/8 is 19/8. Now, turn 19/8 into a reciprocal. 19/8 as a reciprocal would be 8/19.

Thank you!
Answer 2
Answer:

The reciprocal of fraction 2(3/8) is 8/19.

We have,

To find the reciprocal of a number, we invert the fraction by swapping the numerator and denominator.

Given the number 2 3/8, we first convert it to an improperfraction:

2 3/8 = (2 * 8 + 3) / 8 = 19/8

To find the reciprocal, we invert the fraction by swapping the numerator and denominator:

Reciprocal = 8/19

Therefore,

The reciprocal of fraction 2(3/8) is 8/19.

Learn more about expressions here:

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Kiera's dance class starts at 4:30 p.m. and ends at 6:15 p.m. How long is her dance class?

Answers

Her dance class is 1 hour and 45 minutes.

This is because there is 1 hour from 4:30 to 5:30. Then, there is 45 minutes from 5:30 to 6:15

Good luck!
If Kiera's dance class starts at 4:30 p.m. and ends at 6:15 p.m. then how long is it? Lets find out. The way I solved it would be to count by hours. 4:30 to 5:30 is one hour. 5:30 to 6:30 is 2 hours. But 6:30 is too much time. So now you take away the required amount to make it 6:15. You have to take away 15 minutes. So 2 hours minus 15 equals 1 hour and 45 minutes. 
Kiera's dance class was 1 hour and 45 minutes long. 

What are the vertex and x-intercepts of the graph of y= x2 - 6x - 7?Selectone answer for the vertex and one for the x-intercepts.
A. x-intercepts: (1,0), (7,0)
B. Vertex: (3,-16)
C.Vertex: (-3,20)
D. Vertex: (3, 20)
E. x-intercepts: (-1,0). (7.0)
F. x-intercepts: (1.0), (-7,0)

Answers

The vertex and x-intercepts of the graph of y= x^2 - 6x - 7 will be  (3,-16) and (7,-1), respectively.

What are vertex and  x-intercepts of the graph?

A vertex in a quadratic equation is the minimum or maximum point of the equation and  anx-intercept of a graph is the point at which the graph intersects the x-axis.

Vertex form, y=a(x-h)^2+k

We have,

y= x^2 - 6x - 7

Now,

Find the x-intercept  and to find x-intercept put y=0 ;

i.e. y= x^2 - 6x - 7

0= x^2 - 6x - 7

x^2 - 6x - 7=0

Now using Mid-term split method find value of x;

x^2 - 7x+1x - 7=0

x(x - 7)+1(x - 7)=0

(x - 7)(x +1)=0

(x - 7)=0⇒x=7

(x +1)=0⇒x=-1

So, these are the x-intercept (7,-1)of the expression.

Now find the vertex using the above given formula;

y=a(x-h)^2+k

Rewrite in vertex form

y= x^2 - 6x - 7

Add and subtract (-3)^2 in given expression;

y= x^2 - 6x + (-3)^2 -7 - (-3)^2

y = x^2 - 6x + 9 -7 - 9

y = x^2 - 6x + 9 -16

Now convert quadratic part of equation in (a-b)^2;

y = (x-3)^2-16

Now compare it with y=a(x-h)^2+k

We get,  h=3,\ k=-16

So, these are the vertex (3,-16)of expression.

Hence, we can say that the vertex and x-intercepts of the graph of y= x^2 - 6x - 7 will be  (3,-16) and (7,-1), respectively.

To know more about vertex and  x-intercepts of the graph click here

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The answer is B and E

Please help answer this question Minni has to buy stickers, erasers, and a pencil. She can only spend $4. A sticker costs $0.35, an eraser costs $0.99, and a pencil costs $0.59. Can Minni buy 2 stickers and 2 erasers? [Use the inequality 0.35x + 0.99y + 0.59 ≤ 4] (1 point) Select one: a. Yes, because the total will be $3.27 b. Yes, because the total will be $1.93 c. No, because the total will be $4.27 d. No, because the total will be $5.93

Answers

Answer:  A

Since you already have an equation just put in how many stickers and erasers she wants to get: 0.35(2)+0.99(2)+0.59≤4.

Then you multiply: .35(2)=.70. .99(2)=1.98.

Then add: .70+1.98+.59=3.27, so yes she can since 3.27 is less than 4 so the answer is A

Answer:

A. yes, because the total will be $3.27

Step-by-step explanation:

0.35x + 0.99y + 0.59 ≤ 4

0.35(2) + 0.99(2) + 0.59 ≤ 4

0.70 + 1.98 + 0.59 ≤ 4

3.27 ≤ 4

What is 1/5 of £3.00 please

Answers

3.00 /5 = 0.6 pound  :))
i hope this be helpful
3.00 pounds* (1/5)= 0.6 pound.

1/5 of 3.00 pounds is 0.6 pound~

What is the volume of the prism?


__ cm3

Answers

Volume = Length * Height * Width

Volume = 4 * 9 * 2

Volume = 8 * 9

Volume = 72 cm³

Write a word problem that would require you to use 5621÷23

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Margaret wants a Tv. the Tv costs 5621. Margaret wants to pay 23 times for the Tv. How much will Margaret pay each time?
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