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3 years ago

that one kilogram of rice weigh the same as 10 bags containing 100 grams of beans each do you agree with her why or why not

Mathematics

1 answer:

salantis [7]3 years ago

6 0

I agree because 1 kilogram equals 100 grams, and if all of the bags are counted together, it would equals 100 grams.

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What conjecture can you make about the sum of the first 19 odd numbers?

liberstina [14]

Answer: 1, 3, 5, 7, 9, . . . . , 37. Therefore, 361 is the sum of first 19 odd numbers.

Step-by-step explanation:

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2 years ago

Help please thank you !!

swat32

Answer:

AC and AE

Step-by-step explanation:

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2 years ago

Paisley is going to invest $28,000 and leave it in an account for 14 years. Assuming the interest is compounded monthly, what in

abruzzese [7]

Answer:

r=7

Step-by-step explanation:

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2 years ago

In a right triangle ABC, CD is an altitude, such that AD=BC. Find AC, if AB=3 cm, and CD= root 2 cm.

Nata [24]

Given CD is an altitude such that AD=BC , AB=3 cm and CD= √2 cm.

Let AD=x, Since given AB=3

AD+DB=3

x+DB = 3

DB = 3-x

Since ΔBCD is rght angle triangle, let's apply Pythagoras theorem

$BC^{2} = DB^{2} +CD^{2}$

$BC^{2} = (3-x)^{2} +(\sqrt{2} )^{2}$

$BC^{2} =(3-x)^{2} +2$

Since given AD=BC,let us plugin BC=x in above step.

$x^{2} =(3-x)^{2} +2$

$x^{2} =9-6x+x^{2} +2$

6x=11

x= $\frac{11}{6}$

Now we know AD=x= $\frac{11}{6}$ and given CD=√2.

Let us apply Pythagoras theorem for ΔACD

$AC^{2} =AD^{2} +DC^{2}$

$AC^{2} = (\frac{11}{6} )^{2} +(\sqrt{2} )^{2}$

$AC^{2} =\frac{193}{36}$

$AC=\sqrt{\frac{193}{36} }$ = 2.315cm

3 0

2 years ago

A beverage is made by mixing three parts of water with five parts of fruit juice how many parts of water are mixed with one part

Lubov Fominskaja [6]

Answer:

3/5 part water.

Step-by-step explanation:

If the ratio for water to fruit juice is 3:5, then if you divide the fruit juice by 5 to get one you must do the same on the other side, giving you 3/5(which cant be simplified further), which makes 3/5:1.

4 0

3 years ago