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OleMash [197]
3 years ago
10

Hey does anyone know the answer to dis

Mathematics
1 answer:
wlad13 [49]3 years ago
5 0

Answer:

Last choice.

Step-by-step explanation:

We can factor the expression by using the following formula.

{x}^{2}  -  {y}^{2}  = (x + y)(x - y)

From the expression,

(3 {x}^{2} )^{2}  -  {(7xy)}^{2}

(3 {x}^{2} + 7xy )(3 {x}^{2}  - 7xy)

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park ranger spent $208 to buy 12 trees.Redwood trees cost $24 each and spruce trees cost $16 each. How many of each tree did the
katovenus [111]

Answer:

The park ranger bought 2 redwood trees and 10 spruce trees.

Step-by-step explanation:

24 * 2 = 48

208 - 48 = 160

160 / 16 = 10

7 0
3 years ago
A scale has a percent error of 7% the scale reads the mass of a book as 450 g.
Bess [88]
B, is the correct answer.
7% of 450 is 31.5
We add 31.5 to 450 to find out highest possible error, and subtract 31.5 from 450 to find out lowest possible error.
3 0
3 years ago
Read 2 more answers
Shen ran for president of the chess club, and he received 14 votes. There were 35 members in the club. What percentage of the cl
RUDIKE [14]

Answer:

40%

Step-by-step explanation:

14/35 members voted him. Lets convert this into a percentage:

14/35 * 100% = 14/35 *100/100 = 40%

<em>I hope this helps! :)</em>

3 0
3 years ago
PLS HELP THIS IS A TIMED TEST, THANK YOU
laiz [17]

6 weeks.

The equation for each is:

68 + 5x

25 + 12x

To show work I reccomend making a table:).

I also reccomend usijg a graphic calculator if it is available.

If not then plug in numbers into the variables by using estimates.

4 0
3 years ago
In ΔSTU, u = 23 inches, ∠T=158° and ∠U=17°. Find the length of t, to the nearest 10th of an inch.
Evgesh-ka [11]

Answer: t = 29.5 inches

Step-by-step explanation:

Given that the ΔSTU, u = 23 inches, ∠T=158° and ∠U=17°. 

We can Find the length of t by using sine rule

t/saint = u/sinU

t/sin158 = 23/sin17

t = sin158 × 23/sin17

t = 29.47 inches

t = 29.5 inches

7 0
3 years ago
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