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kvv77 [185]
3 years ago
11

What is 65 percent of 47

Mathematics
2 answers:
Nana76 [90]3 years ago
5 0
p\%=\frac{p}{100}\\\\65\%=\frac{65}{100}=0.65\\\\65\%\ of\ 47=0.65\cdot47=\boxed{30.55}
inessss [21]3 years ago
5 0

Answer: 30.55

Step-by-step explanation: To find 65% of 40, we can first write 65% as a decimal by moving the decimal point 2 places to the left. Next, the word "of" means multiply, so we need to multiply .65 by 47.

(.65) (47) = 30.55

Therefore, 65% of 47 is 30.55.

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A squirrel burrowed 6 holes in 2 minutes. How many holes could the squirrel burrow in 7 minutes?
Karolina [17]
7 minutes= 2 minutes x 3.5

The squirrel burrowed 6 holes in 2 minutes.
To find how many holes the squirrel burrows in 7 minutes we multiply 6 x 3.5= 21.

Alternate method:

If the squirrel burrows 6 holes in 2 minutes that means he has burrowed 3 holes in 1 minute.
Multiply the number of holes burrowed in 1 minute by 7 to get 21.
7 0
2 years ago
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If 3/10 of the flowers are green and 3/4 of the rest are yellow. And the rest are purple. How many flowers do you have if you ha
mina [271]

Answer:

The total number of flowers is 680

Step-by-step explanation:

Let

x -----> the number of flowers green

y ----> the number of flowers yellow

z ----> the number of flowers purple

we know that

x=\frac{3}{10}(x+y+z) ----> equation A

The rest is equal to

\frac{7}{10}(x+y+z)

so

y=(\frac{3}{4})\frac{7}{10}(x+y+z)

y=\frac{21}{40}(x+y+z) -----> equation B

z=(\frac{1}{4})\frac{7}{10}(x+y+z)

z=\frac{7}{40}(x+y+z) -----> equation C

Remember that

z=119

substitute in equation C and solve for (x+y+z)

(x+y+z) ----> is the total of flowers

119=\frac{7}{40}(x+y+z)

(x+y+z)=119(40)/7

(x+y+z)=680

<em>Find the value of x</em>

substitute in the equation A

x=\frac{3}{10}(680)=204

<em>Find the value of y</em>

substitute in the equation B

y=\frac{21}{40}(680)=357

therefore

The number of flowers green is 204

The number of flowers yellow is 357

The he number of flowers purple is 119

The total number of flowers is 680

8 0
3 years ago
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An isosceles triangle has area of 110 ft. If the base is 14 ft, what is the length of each leg? Round your
Paraphin [41]

Answer:

h=15,7 ft

l1=19.8

l2=l1=19.8

Step-by-step explanation:

A=(b×h)/2

110=x×14/2

x×14=220

x=220/14=15,7

h=15.7 ft

l=rad(144+246.7)=19,8

l1=l2=19,8

8 0
3 years ago
This table shows a proportional
gavmur [86]

Answer:

D (6, 21)

Step-by-step explanation:

Since the ratio of the corresponding values of x and y given in the table is 2 : 7

So, 6/ 21 = 2/7 = 2: 7

Thus, D (6, 21) is the correct answer.

4 0
3 years ago
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I need help with this math​
Anit [1.1K]

Answer:

x=9  y=-4

Step-by-step explanation:

1) to eliminate a variable make sure they are the same so you can cancel them out

lets eliminate x

-3 and -2 share a GCF of 6 so

2(-3x-4y=-11)

-6x-8y=-22

3(-2x-6y=6)

-6x-18y=18

-6x-8y=-22

-

-6x-18y=18

--------------------------

10y=-40

y=-4

2)substitute y as -4 in the second equation

-2x-6(-4)=6

-2x+24=6

-2x=-18

x=9

6 0
3 years ago
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