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horsena [70]
3 years ago
15

HELP!!!!!!!!!!!!!!! 15 POINTS

Mathematics
1 answer:
disa [49]3 years ago
3 0
$60 for 2 hours and $100 in total for 2 hours of work and the service fee
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Simplify the expression below.
Mazyrski [523]

Answer:

D. x^24

Step-by-step explanation:

If it is in the parenthesis you multiply.

-2*-12= 24

Two negatives equals a positive.

7 0
3 years ago
A playground slide is 14.5 feet long with an 8.5-foot tall ladder. What is the measure of the angle that the slide makes with th
Vera_Pavlovna [14]
8.5 is opp of the angle and 14.5 is the hypotenuse.
Sin(X) = opp/hyp
or you can use Sin-1(opp/hyp) = X
Sin-1(8.5/14.5)=X
X= 35.8 or 36 rounded 
8 0
3 years ago
Read 2 more answers
Whats 2/3x+3/7=1-4/7x​
Juliette [100K]

Answer:

x=6/13

Step-by-step explanation:

So we have:

\frac{2}{3}x+\frac{3}{7}=1-\frac{4}{7}x

Remove all the fractions to make things simpler. To do so, we can multiply by the LCM of the denominators.

The denominators are 3 and 7.

The LCM of 3 and 7 is 21. Thus, multiply everything by 21:

21(\frac{2}{3}x+\frac{3}{7})=21(1-\frac{4}{7}x)

Distribute:

\frac{42}{3}x+\frac{63}{7}=21-\frac{84}{7}x

Simplify the fractions:

14x+9=21-12x

Add 12x to both sides:

26x+9=21

Subtract 9 from both sides:

26x=12

Divide both sides by 26:

x=12/26

Reduce:

x=6/13

And that's our answer :)

5 0
3 years ago
Read 2 more answers
You walk 20 meters north, then 5 meters south. what is your displacement?
Viktor [21]
Sry this is completely off topic, but where do you go to ask questions? I can't seem to find it. The answer is C I think
4 0
3 years ago
How is the standard form of a linear equation similar to and different from the slope-intercept form?
natima [27]
<span>in standard form the equation has to be changed from slope-intercept form to standard. bt first you have to find the slope and then change the equation to standard form. 
the slope intercet form is y=mx+b using y-k= m(x-h)
and after, change the equation to ax+by+c</span>
8 0
3 years ago
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