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3 years ago

Help with this iready

Mathematics

2 answers:

Kay [80]3 years ago

6 0

Answer:

500

Step-by-step explanation:

Aloiza [94]3 years ago

3 0

Answer:

Step-by-step explanation:

1 ton is 2000 pounds

2 tons is 4000

each crate is 80 pounds

80 x 50 4000

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1/4 : 3/4 :: 75 : _<br><br> Please help!!

dsp73

I think it would be 25. Because 1/4 equals .25 as a decimal and 3/4 equals .75 as a decimal.

8 0

3 years ago

Over time, the value of the property at 397 West Lake Street increased by 275%. If the initial value of the property was P, whic

larisa86 [58]

Answer: Third option is correct.

Step-by-step explanation:

Since we have given that

Initial value of the property = P

Rate of growth = 275%

So, we need to find the property's current value:

We will use "compound interest ":

$Amount=P(1+\dfrac{r}{100})^t\\\\Amount=P(1+\dfrac{275}{100})^1\\\\A=P(1+2.75)\\\\A=3.75P$

Hence, Third option is correct.

4 0

3 years ago

A certain drug treatment cures 90% of cases of hookworm in children.18 Suppose that 20 children suffer- ing from hookworm are to

Anni [7]

Answer:

Step-by-step explanation:

Here X the no of children suffering from hookworm treated and recovered is binomial because

a) Each child is independent of the other

b) There are only two outcomes

c) The probability for any child to recover is constant as 90% = 0.9

X is Bin (20,0.9)

a) Prob that all 20 will be cured

=P(X=20)= $0.9^{20} \\=0.1216$

b) Prob all but 1 will be cured= $P(x=1) = 20C1 (0.9) (.1)^{19} \\=1.8(10^8)$

c) Prob exactly 18 will be cured

$=P(X=18)\\=20C18 (0.9)^{18} (0.1)^2\\= 0.2852$

d) Prob exactly 90% will be cured.

= $P(X=18)\\=20C18 (0.9)^{18} (0.1)^2\\= 0.2852$

7 0

4 years ago

Describe two methods for finding the sale price of an item that is discounted 30%. which method do you prefer? Explain.

Mekhanik [1.2K]

One can take the price of the item before the discount is applied and subtract that from the percentage off and get the cost of the item.

I find this is the most effective way.

another method could be if one turned the percentage into a decimal it could be subtracted from the cost of the item.

6 0

3 years ago

Read 2 more answers

Can someone help me with the Log. question please?

mr Goodwill [35]

U can change it by using the rule of logarithm.
log (10/y)= log10 - log y

6 0

3 years ago

Read 2 more answers