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liubo4ka [24]
2 years ago
7

When simplifying an expression using order of operations addition MUST

Mathematics
1 answer:
Rama09 [41]2 years ago
4 0

Answer:

The answer is False,

Step-by-step explanation:

The answer is False because in some expressions if there are parentheses and there is a subtraction problem in the parentheses but there is an addition problem in front of the parentheses that does not exactly mean that you do the addition first, this is because the subtraction is inside the parentheses and so since the subtraction is in parentheses it is done fist.

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Find the first, fourth, and eighth terms of the sequence. A(n) = –3 • 2^n–1
Sphinxa [80]
A(n) = –3 • 2⁽ⁿ⁻¹⁾

for n = 1 ,  A₁ = -3.(2)⁰ = -3
for n = 2 ,  A₂ = -3.(2)¹ = -6
for n = 3 ,  A₃ = -3.(2)² = -12
for n = 4 ,  A₄ = -3.(2)³ = -24
...........................................
for n = 8 ,  A₈ = -3.(2)⁷ = -384


4 0
3 years ago
Which is the union of the two sets D= {0, 10, 12, 18, 19} and E= {18, 19}​
Cloud [144]

Answer:

DUE= {0,10,12,18,19}

Step-by-step explanation:

The union of two sets is a set which contains all the elements of both the sets. thus DUE= {0,10,12,18,19}

5 0
3 years ago
Juan was playing a game in which he gained and lost points. First, he
____ [38]

Answer:

Juan has lost 61 points, or has gained negative 61 points.

Step-by-step explanation:

0 - 28 = -28

-28 + 22 = -6

-6 + -20 = -26

-26 + -35 = -61

5 0
3 years ago
List the independent and dependent variable in the given relationship.
kaheart [24]
The independent variable is your input (x-value) and the dependent variable (y-value) depends on what the input is.

y = 10x

y is total money earned
x = number of lawns mowed

The first answer listed
4 0
3 years ago
Read 2 more answers
Someone would help me find the angle measure y
dsp73

Answer:

y = 65°

Step-by-step explanation:

z = 70° (corresponding angels are equal)

y + z = 135° (exterior angle theorem of a triangle)

y + 70 = 135 (substitution)

Subtract 70 from each side

y + 70 - 70 = 135 - 70

y = 65

4 0
3 years ago
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