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oksano4ka [1.4K]
3 years ago
5

EXERCISE 2 1. Check (™) the box beside each true statem (a) (8 – 3) * 5 = (8 ~ 5) – (3 ~ 5)

Mathematics
1 answer:
Fiesta28 [93]3 years ago
7 0
3 1/2 + 5 1/3 =

Solution
Add whole numbers together and fractions together
3 1/2 + 5 1/3 = (3 + 5) + (1/2 + 1/3)
Write fractions with the same denominator
= 8 + (3/6 + 2/6) = 8 5/6

It takes Julia 1/2 hour to wash, comb her hair and put on her clothes, and 1/4 hour to have her breakfast. How much time does it take Julia to be ready for school?
Solution
The total time for Julia to be ready for school is
1/2 + 1/4
Write fractions with the same denominator
= 2/4 + 1/4 = 3/4 of an hour.
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Pls help f(x)=2(x+1)^2+3
lidiya [134]

Answer:

y= 2x² + 2x +3

Step-by-step explanation:

y=f(x)

y=2( x^2 + 1^2 +2(x)(1) ) + 3

y=2x^2 + 1 + 2x +3

y= 2x^2 + 2x +3

8 0
3 years ago
Read 2 more answers
If s and t are integers greater than 1 and each is a factor of the integer n, which of the following must be a factor of n st ?
yulyashka [42]

Answer:

A) None

Step-by-step explanation:

1) s^t shoudnt neccesarily be a factor of nst, for example, if s = 3, t = 4, and n = 12, then both s and t are factors of n, but 3^4 = 81 is not a factor of nst = 144.

2) (st)^2 shoudnt neccesarily be a factor of nst. Let s be 4, let t be 6, and let n be 12. Then n is a factor of both s and t, but (st)^2 = 24^2 is not a factor of nst = 12*24. In fact, it is a greater number.

3) Again, s+t isnt necessarily a factor of nst, let s be 2 and t be 3. Then both s and t are factor of n = 12. However 5 = s+t is not a factor of nst = 72.

So, neither of the three options is guaranteed to be a factor of nst. In fact, for s = 4, t = 6, and n = 12, none of the three options are valid.

4 0
3 years ago
6s-4=8 (2+ 0.25s)<br> solve for s
pentagon [3]

Answer:

s=5

Step-by-step explanation:

6s-4=16+2s

6s=20+2s

4s=20

s=5

4 0
3 years ago
Read 2 more answers
A recipe calls for 1/2 pound of flour for 1 batch. How many batches can be made with 1/4 pound?
lord [1]

Answer:

half a batch

Step-by-step explanation:

half of half a lb is 1/4 therefore you can make one batch

8 0
3 years ago
Read 2 more answers
Given that the points (-1,6). (3,6), (3, 1), and (-1, 1) are vertices of a rectangle, how much shorter is the width than the len
Ksju [112]
Since the given coordinates are already in order,
then and two consecutive distances between the coordinates will give length and breadth,

Using distance formula,
\sqrt{ {( - 1 - 3)}^{2}  +  {(6 - 6)}^{2} }  \\  =  \sqrt{ { (- 4)}^{2} }  \\  =  \sqrt{16 }  \\  = 4
(we'll not consider the negative value since distances can't be negative)

Applying this again on 2nd and 3rd coordinates,
\sqrt{ {(3 - 3)}^{2} +  {(6 - 1)}^{2}  }  \\  =  \sqrt{ {5}^{2} }  \\  = 5
(we'll not consider the negative value since distances can't be negative)

Since length's always gotta be greater than bredth
therefore,
the difference will be 5-4= 1 units


Hence width is 1 unit shorter than length.



Note: Unit used is "unit/s"
6 0
4 years ago
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