2 years ago

23. Which number below could not be used to PLEASEE HELP!!

Mathematics

1 answer:

il63 [147K]2 years ago

6 0

0.75 i think so lol HI

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in a wood there are 420 silver birch trees, 160 oak tees and 300 wild cherry trees. what is the percentage of the oak trees give

elena-14-01-66 [18.8K]

Answer:

18.2%

Step-by-step explanation:

The total number of trees in the wood = 420 + 160 + 300

= 880 trees

∴ The percentage of the oak trees = $\frac{160}{880} * \frac{100}{1}$

= $\frac{2 * 100}{11}$ %

= $\frac{200}{11}$ %

= 18.181818...%

In 1 decimal place = 18.2%

Hope this helps!!

8 0

3 years ago

|z - 1| = 7z - 13 solve this equation and check for extraneous solutions

Tema [17]

$|z - 1| = 7z - 13$
either:
$z - 1 = 7z - 13$
and in that case:
$- 1 + 13 = 7z - z$
$12 = 6z$
$z = 12 \div 6 = 2$
or:
$z - 1 = - 7z + 13$
and in that case
$z + 7z = 13 + 1$
$8z = 14$
$z = 14 \times 8 = 1.75$
So; the answer is: either 2 or 1.75

8 0

3 years ago

Read 2 more answers

A. Write an expression to represent the difference between the two points shown on the number line.

Maru [420]

-1.6 - 0.3
I hope this hepled you and that the answer is correct

8 0

3 years ago

Read 2 more answers

PLEASE HELP ME YOU GET IT RIGHT I WILL MARK BRAINLIST but if its wrong... i report you

mamaluj [8]

I’m pretty sure it’s 60 but I’m not 100% sure so I’m sorry if it’s wrong

6 0

3 years ago

The mass of Earth is 5.97 X 10²⁴ kilograms. The mass of the Moon is 7.34 x 10²² kilograms. What is the combined mass of earth.

Damm [24]

Answer:

13.31 x $10^{46}$

Step-by-step explanation:

So, if we take the two equations, and add the normal numbers together, we have: 5.97 + 7.34 = 13.31

Then if we add the two tens together it would be: $10^2^2$ + $10^{24$ = 10 to the power of 46.

The equation would be 13.31 x $10^{46}$

I'm not an expert, so sorry if this is wrong.

6 0

3 years ago

Read 2 more answers