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3 years ago

Convert 1.97 kJ to calories

Mathematics

1 answer:

scoundrel [369]3 years ago

4 0

Answer:

0.4708413 is the answer

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Mr green makes some compost he mixes soil, manure and leaf mould in the ratio 3:1:2 mr greenmakes 72 literes of the compost. How

love history [14]

Answer:

$36\ liters\ of\ soil$

Step-by-step explanation:

we know that

The ratio of soil, manure and leaf mould is $3:1:2$

That means

For every 6 liters of the compost, he use 3 liters of soil

so by proportion

Find how many liters of soil does he use for 72 liters of compost

$\frac{3}{6}=\frac{x}{72}\\ \\x=3*72/6\\ \\x=36\ liters\ of\ soil$

8 0

3 years ago

Owen used these steps to solve the equation 4x+7=1+2(2x+3). Which choice describes the meaning of his result, 7=7?

ivanzaharov [21]

Answer:

Option D. All values of x make the equation true

Step-by-step explanation:

<u><em>The options of the question are</em></u>

a.The result is not correct because Step 2 has an error.

b.The solution is x=7.

c.No values of x make the equation true.

d.All values of x make the equation true

we have the equation

$4x+7=1+2(2x+3)$

solve for x

Apply distributive property right side

$4x+7=1+4x+6$

Combine like terms

$4x+7=4x+7$

subtract 4x both sides

$7=7$

The equation has infinity solutions

.All values of x make the equation true

6 0

3 years ago

4x+1=9+4y solve for y

koban [17]

Answer:

y = x-2

Step-by-step explanation:

6 0

3 years ago

Solve for the unknown values

Jet001 [13]

All you should have to do is take 180-95 to get 85 for x & then take 85+45= 130 - 180 = 50.

x=85 & y=50

5 0

3 years ago

Is 21/25 equal to 85/100

Iteru [2.4K]

Answer:

nope it is equal to 84/100 though

Step-by-step explanation:

cross multiply

21 x

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

25 100

21*100= 2100

2100/25= 84

x=84

I hope this helped!

8 0

4 years ago

Convert 1.97 kJ to calories ​

Convert 1.97 kJ to calories