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4vir4ik [10]
3 years ago
13

I need help with this

Mathematics
1 answer:
Stolb23 [73]3 years ago
8 0
I cannot see your choices but I believe the inequality would look something like 
16x = 80 with x representing the number of hats he can buy and to solve you would just divide each side by 16 and it would give you the answer x = 5 meaning he can buy 5 hats
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Evaluate the expression : common log of square root 9/25.
tekilochka [14]

You want log √(9/25).  Recognizing that √9 = 3 and that √25 = 5, we get

log 3/5, which by rules of logs comes out to log 3 - log 5.

To four decimal places:

log 3 - log 5 = 0.4771 - 0.6990, or -0.2218.

4 0
3 years ago
A shelter in the city house birds and dogs . There are 25% more dogs then birds. If there are 50 birds how many dogs are there?
AfilCa [17]

Answer:

They have 83 dogs and 50 birds.

There are 133 animals in total in the shelter.

Step-by-step explanation:

So let's call the dogs D and the birds B.

D = 25% + B

What ever the amount of animals, the total for D must always be 25% more than B.

To get 100% of the animals, B must equal 37.5% and D must equal 62.5%.

The way I worked this out was:

100% - 25%= 75%

75% divided by 2= 37.5%

37.5% + 25%= 62.5%

And just to check

37.5% + 62.5% = 100%

So to work out 100%:

37.5% = 50

divide both by 37.5 to get 1%

1% = 1.333333

time both by 62.5 to get 62.5%

62.5% = 83.333313

We'll round that answer because I'm pretty sure they don't have a .333313th of a dog.

So D = 62.5% = 83

They have 83 dogs and 50 birds.

Phew! That was the hard part. Now onto something wayyy easier.

To get the total number of animals in the shelter we just do 83 + 50, which is 133.

There are 133 animals in total in the shelter.

Hope this helps you :)

7 0
2 years ago
Xis all of the following except
bixtya [17]

Answer:

a variable

Step-by-step explanation:

a variable.

5 0
3 years ago
Read 2 more answers
Pleaseeee help meeeeee
FinnZ [79.3K]

Answer:

a. area=452.16 sq m

circumference=75.16m

b. area

c. circumference

Step-by-step explanation:

3 0
3 years ago
For cones with radius 6 units, the equation V = 127th relates the height h of the cone, in units, and the volume V of the cone,
denis-greek [22]

Answer:

hola

Step-by-step explanation:

cómo estás yo bien compita

6 1
2 years ago
Read 2 more answers
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