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lakkis [162]
3 years ago
12

If you are pushing on a box with a force of 20 N and there is a force of 7 N on the box due to sliding friction, what is the net

force on the box?
Mathematics
1 answer:
nika2105 [10]3 years ago
3 0
13 N in the direction you are pushing it.

20 N------>
       <---7 N
=
13 N---->
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Combine like terms to create an equivalent expression.
Lelu [443]

Answer:

\frac{1}{6} p - \frac{4}{5}

Step-by-step explanation:

collect like terms

- \frac{2}{3} p + \frac{5}{6} p + \frac{1}{5} - 1

= - \frac{2(2)}{2(3)} p + \frac{5}{6} p + \frac{1}{5} - \frac{5}{5}

= - \frac{4}{6} p + \frac{5}{6} p - \frac{4}{5}

= \frac{1}{6} p - \frac{4}{5}

5 0
1 year ago
A collection of dimes and quarters has a total value of $3.95. If there are 20 coins in the collection, how many are there of ea
tamaranim1 [39]

Answer:

13 quarters and 7 dimes

Step-by-step explanation:

3 dollars is 12 quarters. add 7 dimes gets you 75 cents then add 1 quarter gets you 20 coins and 3.95

4 0
3 years ago
What is the measure of 21? 100° 90° 80° 85° 95%​
Scorpion4ik [409]

Answer:

A quadrilateral's interior angles have a sum of 360°.

Given that we have 85°, 100°, and 90°(the right angle), and an unknown angle.

We can add these angles plus the unknown angle to equal a total of 360°.

85 + 100 + 90 + x(our unknown missing angle) = 360

simplify

275 + x = 360

Isolate x by subtract 275 from both sides;

-275       -275

x = 85, ∠1 = 85°

We can also double check:-

85 + 100 + 90 + <u>85</u> = 360

360 = 360 which is correct.

8 0
2 years ago
Select the correct option from the menu.
Elina [12.6K]
3(x+3) = 8x-5x+7

3x + 9 = 3x + 7

9 = 7

No solution option A
6 0
3 years ago
With the information given, can you prove
kykrilka [37]

Answer: No

Currently we don't have enough information to prove this quadrilateral is a parallelogram. One piece of information that would be useful would be if the other diagonal is bisected. If that's the case, then we have a parallelogram (we would first prove the triangles congruent and then use the corresponding congruent angles to set up the parallel lines). Unfortunately, we only know about one diagonal being bisected, but not both, so we don't have enough info.

7 0
3 years ago
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