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tangare [24]
2 years ago
7

Please help me answer this! Thank you! No links!

Mathematics
1 answer:
eimsori [14]2 years ago
6 0

Answer:

139

Step-by-step explanation:

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For the following system, if you isolated x in the second equation to use the Substitution Method, what expression would you sub
LekaFEV [45]
Isolate x in 2nd equation...

-x - 2y = -10 ....add 2y to both sides
-x = 2y - 10 ...multiply by -1 to make x positive
x = -2y + 10 <== u would sub in -2y + 10 in for x in the 1st equation
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3 years ago
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2. Dado un número, la suma de su mitad, su doble y su triple es 55. ¿Qué número es?
pogonyaev

Answer:

English

Step-by-step explanation:

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3 years ago
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-3² = -1*3² = -1 * 9 = -9 (order of operations) while (-3)² = (-3)(-3) = +9 or 9
mixas84 [53]

Answer:   20

Step-by-step explanation:

Assuming your question is:

Z² - X² - XY     X = -2, Y = 3, Z = -4

Substitute values

(-4)² - (-2)² - {(-2)(3)}

{(-4)(-4)} - {(-2)(-2)} - (-6)

(16) - (4) + 6

16 - 4 + 6

20

6 0
3 years ago
Classify the shapes shown below. Write the letter of each shape in the category that describes it. Shapes may fall into more tha
oksano4ka [1.4K]
At least one right angle:
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At least 2 sides of equal length:
B + C + E

At least one pair of parallel sides:
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6 0
2 years ago
Write the given rate as a fraction in simplest form. 12 cups for every 39 people O 39/12 cups per person O 13/4 cups per person
Nata [24]

Answer:

4/13 cups per person

Step - by - step explanation:

Write the given rate as a fraction in simplest form. 12 cups for every 39 people

O 39/12 cups per person

O 13/4 cups per person

0 4/13 cups per person

O 12/39 cups per person

There are 39 people

12 cups are available

Determine the number of cups per person

Cups per person = 12 cups / 39 people

= 12/39 cups per person

Divide both numerator and denominator by 3

= 4/13 cups per person

Cups per person as a fraction in simplest form = 4/13 cups per person

8 0
3 years ago
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