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valkas [14]
3 years ago
12

Help me please explain me how I work this problems. i need help with all of them.

Mathematics
1 answer:
netineya [11]3 years ago
4 0
1. x-3 < 7
x-3+3 < 7+3
x < 3
basically make the pronumeral by itself
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Michelle purchased a sofa that was on sale for $125 off. The original price of the sofa was $515. What was the sale price of the
Zinaida [17]

Answer:

We know that:

The original price was $515

and

It was $125 off

so we need to find the price of the sofa after the discount.

$515 - $125 = $390

The sale price of the sofa after the discount was $390

hope This helps and pls mark me brainliest if it did :)

8 0
3 years ago
Please help me every one!!! Please and thank you if you you did it :)
Vesnalui [34]

Answer:   look in explenation

Step-by-step explanation:

ok so u go to snap, open the filters, on the bottom it says scan, click in that and find the calculator feature. scan all ur equations with it one by one, and boom

8 0
3 years ago
What is this answer? [2+(16+29)÷9]×3
Jobisdone [24]
Answer is 21 because of bedmass
7 0
3 years ago
HELp!!! 100 POINTS. <br><br> What is the formula of g in terms of f?
melisa1 [442]

Answer: C

Step-by-step explanation: bcuz

6 0
2 years ago
What is cos theta of tan theta= 8/5?
snow_lady [41]
I'd suggest you write:

":<span>What is cos theta   IF   tan theta= 8/5?

tan theta = opp / adj = 8 / 5, so we know that opp = 8 and adj = 5.  Then the length of the hypotenuse is sqrt(8^2+5^2) = 9.43.

Thus, the cosine of theta / cosine of this angle is

adj           5
----- = ---------- , or about 0.53.
hyp       9.43</span>
7 0
3 years ago
Read 2 more answers
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