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2 years ago

7

Get the algebraic expressions in the following cases using variables constants and arthmetic a subtract 1)Subtract 25 from the s

um of a and b 2)square of x is subtracted from square of y

1 answer:

Troyanec [42]2 years ago

5 0

Answer:

1.) (a + b) - 25

2.) sqrt(y) - sqrt(x)

Step-by-step explanation:

when they use the word 'from,' you know that it will be the second term, also dont forget your parentheses

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I need help as soon as possible

mojhsa [17]

1. It's a sine relationship => sinA = 25 / 34 => A = 47.

2.It's a cosine relationship => cosA = 26 / 35 => A = 42.

3 0

3 years ago

How can I write 2 feet 6 inches into centimeters?<br><br> Explain please!

Levart [38]

Step-by-step explanation:

1 feet=12 inches

2 feet=24 inches

in total 24+6=30 inches

1 inch= 2.54 cm

so, 30 inches = 30×2.54cm

=76.2 cm

4 0

2 years ago

suppose you buy a computer for $2400, and after one year it is worth $1800. let y be the value of your computer and t be the num

nikitadnepr [17]

Let x be the depreciating rate.
$y=2400-xt \\ \\ 1800=2400-x(1) \\ \\ -x= 1800-2400 \\ \\ -x=-600 \\ \\ x=600 \\ \\ y=2400-600t$

3 0

3 years ago

Im losing my point but i need them answers plz help !

vekshin1

Answer:

8/9

Step-by-step explanation:

x = .8 repeating

Multiply by 10

10x = 8.8 repeating

Subtract the two equations

10x = 8.8 repeating

- x = .8 repeating

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

9x = 8

Divide by 9

9x/9 = 8/9

x = 8/9

5 0

2 years ago

Pls help I’ll brainlest ASAP

Verdich [7]

Answer:

Jessie sold x DVD's for $6 each and then sold a board game for $<u>15</u>. Jessie made <u>at least</u> $<u>69</u> in her sales.

She sold 9 DVD's.

Step-by-step explanation:

69 - 15 = 54

54/6 = 9

5 0

2 years ago