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nalin [4]
3 years ago
14

Check all apply 2|3x+2|-9=5

Mathematics
1 answer:
slava [35]3 years ago
3 0
The answer is X=3 or x=5/3
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Describe the steps you would use to solve the equation 5( 2a - 3 ) = 20 + a.
Valentin [98]

Answer:

Distribute the 5 to get 10a-15=20+a and solve

4 0
3 years ago
The arch of a bridge forms the upper half of an ellipse. The arch is 6 meters above the 20-meter-wide river. Write an equation f
aksik [14]

Answer:

\frac{x^2}{36} + \frac{y^2}{100} = 1

Step-by-step explanation:

Required

The equation of the ellipse

This is calculated as:

\frac{x^2}{a^2} + \frac{y^2}{b^2} = 1

Where:

b =6 ---- height

a = 0.5 * 20 =10 --- width

So:

\frac{x^2}{a^2} + \frac{y^2}{b^2} = 1

\frac{x^2}{6^2} + \frac{y^2}{10^2} = 1

\frac{x^2}{36} + \frac{y^2}{100} = 1

3 0
3 years ago
A local ski resort is open for 13 weeks in the winter. Write a fraction in simplest form that represents the fraction of the yea
Rudiy27
The ski resort is open 13/52 weeks out of the year
4 0
4 years ago
A) Dati cinci exemple de numere intregi mai mici ca zero.​
12345 [234]

Answer:

Numerele întregi pozitive sunt toate numerele întregi mai mari decât zero: 1, 2, 3, 4, 5, .... Numere întregi negative sunt toate opusele acestor numere întregi: -1, -2, -3, -4, -5, .... Nu considerăm că zero este un număr pozitiv sau negativ. Pentru fiecare număr întreg pozitiv, există un număr întreg negativ, iar acești numere întregi se numesc opuse. De exemplu, -3 este opusul lui 3, -21 este opusul lui 21 și 8 este opusul lui -8. Dacă un număr întreg este mai mare decât zero, spunem că semnul său este pozitiv. Dacă un număr întreg este mai mic decât zero, spunem că semnul său este negativ.

Step-by-step explanation:

4 0
3 years ago
Add. 8x^2-4x-3+5x^2-2x-6
jekas [21]

Answer:

13 x^2 -6x -9

Step-by-step explanation:

8x^2-4x-3+5x^2-2x-6

Combine like terms

8x^2+5x^2        -4x-2x       -6-3

13 x^2                 -6x             -9

6 0
3 years ago
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