All categories

3 years ago

PLEASE ANSWER ASAP!!

Mathematics

1 answer:

mestny [16]3 years ago

4 0

Answer: 73 degrees

Step-by-step explanation:

You might be interested in

Why are 4/10 and 4/100 not equal?

Mrrafil [7]

The same reason 4 dimes and 4 pennies aren't equal.

To put it into decimal terms, 4/10 is 0.40 (or forty cents), whereas 4/100 is 0.04 (or four cents)

6 0

3 years ago

Express 194720 in standard form correct to 3 significant figures<br>

ELEN [110]

Answer:

1.95 x 10^5

Step-by-step explanation:

First look at the 4th digit in the number 194720 as the the question said to round to 3 significant figures. If the 4th digit is more than 5, then add 1 to the third digit which results in 195000. Now the question also said to express in standard form. Look for the first non-digit number in 195000. After 1 put a decimal point and remove all the zeros after the point which results in 1.95. Now count how many digits you moved to the left which comes as 5. Write the answer as 1.95 x 10^5.

Hope you can understand this!!

3 0

2 years ago

at the beginning of the month a store had a balance of -554. during the month the store lost another 600 what is the balance

blondinia [14]

Answer:

-554 - 600 = -1154

the store's balance is $ -1154.00

3 0

3 years ago

Wrens first display box is 6 inches long,9 inches wide,and 4 inches high.what is the volume of the display box

Virty [35]

To find the volume, multiply length x width x height.
So you multiply 6 x 9 x 4.

So the volume of the display box is 216 inches cubed.

3 0

3 years ago

Read 2 more answers

11. Write the balanced equation for the reaction of HC2H3O2, with Al(OH)3 to form H2O and Al(C2H302)3:

Kamila [148]

Answer:

74.36 g of aluminium acetate.

730.27g of aluminium acetate.

- to the nearest hundredth.

Step-by-step explanation:

Acetic acid is usually written as CH3COOH.

a. 6CH3COOH + Al(OH)3 ---> Al(CH3COO)3 + 9H2O

So 6 moles of acetic acid produce 1 mole of aluminium acetate.

Using the molecular masses

6*( 1.008*4 + 12.011*2 + 16 *2) g acetic acid gives (26.98+3(36.032+ 2*12.011)

348.228 g acetic acid gives 207.142 g Al acetate.

So 125 g gives (207.142 / 348.228) * 125

= 74.36 g of aluminium acetate.

(26.98 + 3*16 + 3 * 1.008) g of Al(OH)3 gives 207.142 g Al acetate

78.004 g gives 207.142 g Al acetate

275 g gives (207.142 / 78.004) * 275

= 730.27g Al acetate.

7 0

3 years ago