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DaniilM [7]
3 years ago
8

This is for adding and subtracting polynomials, word problems. I have real difficulty with word problems in math, so please help

me!

Mathematics
1 answer:
Dennis_Churaev [7]3 years ago
8 0

please see the attached picture for full solution

Hope it helps..

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Please help and thank you​
ziro4ka [17]

Answer:

Step-by-step explanation:

2)  

x + 14 \frac{13}{25}  =  -0.87

x + \frac{363}{25} = - \frac{87}{100}

x + \frac{1452}{100} = - \frac{87}{100}

x  = - \frac{87}{100} - \frac{1452}{100}

x = - \frac{1539}{100}

3)

x -8 \frac{5}{6} = 1.5

x - \frac{53}{6} = \frac{9}{6}

x =  \frac{9}{6} + \frac{53}{6}

x = \frac{62}{6}

x = \frac{31}{3}

4)

x - \frac{7}{12} = - 7 \frac{7}{16}

x - \frac{28}{48} = - \frac{119}{16}

x = - \frac{357}{48} + \frac{28}{48}

x = - \frac{329}{48}

5)

\frac{8}{9} - x = 6 \frac{1}{15}

\frac{8}{9}  = \frac{91}{15} + x

\frac{40}{45} - \frac{273}{45} = x

- \frac{233}{45} = x

x = - \frac{233}{45}

6)

-33.754 - x = 28.05

-33.754  - 28.05 = x

- 61.804 = x

x = - 61.804

7 0
3 years ago
What’s a mean,median,and mode?
tamaranim1 [39]

The mean is the average you're used to, where you add up all the numbers and then divide by the number of numbers. The median is the middle value in the list of numbers. Mode is the number which appears most often in a set of numbers.

Hope this helps you :)

5 0
3 years ago
If m∠PQR=(12x−2)∘, and mPR=(20x−10)∘, what is m∠PQR?<br>a. 137.5<br>b. 70<br>c. 16<br>d. 81
astraxan [27]

Answer:

Step-by-step explanation:

12x - 2 + 20x - 10 = 180

32x - 12 = 180

32x = 192

x = 6

12*6 - 2

72 - 2 = 70

the solution is b

3 0
3 years ago
Jim is considering pursuing an MS in Information Systems
xeze [42]

Answer:

9% probability that Jim will be accepted at both universities

Step-by-step explanation:

We have these following probabilities:

A 20% probability that Jim is accepted into the University X.

A 45% probability that Jim is accepted into the University Y.

What is the probability that Jim will be accepted at both universities?

It is the multiplication of both these probabilities

So there is a 0*2*0.45 = 0.09 = 9% probability that Jim will be accepted at both universities

6 0
4 years ago
Agenthammerx Please help me on this I beg you
arlik [135]

Answer:

  • 48°
  • ∠Y ≅ ∠X

Step-by-step explanation:

<h3>Question 1</h3>

<u>Prove that The two triangles are congruent</u>

  • ∠ABD ≅ ∠BDC - given
  • BD ≅ DB - reflexive property
  • ∠ADB ≅ ∠CBD - given
  • ΔABD ≅ ΔCDB - ASA postulate

<u>Find the measure of angle C</u>

  • ∠A ≅ ∠C - Corresponding  parts of congruent triangles
  • m∠C = m∠A = 180° - (62° + 70°) = 180° - 132° = 48°
<h3>Question 2</h3>

<u>Given </u>

  • ΔXYZ with XZ ≅ YZ

Opposite angles are corresponding to the sides.

Therefore the angles opposite to congruent sides are also congruent:

  • ∠Y ≅ ∠X
4 0
3 years ago
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