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ioda
3 years ago
14

8. It takes Emory 3 hours to plant 12 flowers. How long should it take her to plant 40 flowers?

Mathematics
2 answers:
alexdok [17]3 years ago
8 0

Answer:

9 hours

Step-by-step explanation:

12 times 3 is 40 so 3 times 3 is 9

Usimov [2.4K]3 years ago
8 0

Answer:

10

Step-by-step explanation:

takes one hour to plant 4

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(-2) times (+5) times (-1) times (-5) times (-2)<br> please can u answer fast i have a test in 2 min
zlopas [31]

Answer:

100

Step-by-step explanation:

4 0
11 months ago
You are offered two jobs selling college textbooks. One company offers an annual salary of $30,000 plus a year-end bonus of 1% o
strojnjashka [21]

Answer:

at least $500,000 in sales

Step-by-step explanation:

6 0
2 years ago
Benjamin walks 11/15 miles to work and then 3/10 miles to the grocery store how far does he walk
melamori03 [73]

Answer:31/30

Step-by-step explanation:

11/15+3/10

find common denominator=30

11/15 times 2/2

22/30

3/10 times 3/3

9/30

22/30+9/30=31/30

4 0
2 years ago
Cos (pi/2 -x) = sin x is this true or false?
Ksenya-84 [330]

The above statement is true meaning cos(π/₂-x)=sin(x)

Step-by-step explanation:

We know that sine and cosine function are mutual cofunctions.

Hence this would mean that these two functions are complimentary of each other meaning cos(π/₂-x) = sin(x)

This can be verified mathematically by assuming “x” as 30°

Hence Cos (π/₂-30°) = cos 60°= 0.5 (from trigonometric table values)

Similarly Sin 30°= 0.5 (from trigonometric table values)

This can be proved through using the formula

Cos(A-B)= Cos A.Cos B + Sin A.Sin B

Here A=90° and b=x°

Putting the values we get (it is to be remembered that cos 90°=0 and sin 90°=1)

Cos 90°.cos x+ sin 90.sin x

0+sinx= sinx

Hence it is proved that cos(π/₂-x)=sin(x)

 

7 0
3 years ago
Which of the following bottles contains the largest volume of shampoo?
yarga [219]

Answer:

B

Step-by-step explanation:

Converting all of them to Liters would be:

A 0.828065 L

B 2 L

C 0.016 L

D 0.9475 L

B is the largest.

7 0
3 years ago
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