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Rina8888 [55]
3 years ago
11

Write an algebraic expression for the verbal description.

Mathematics
1 answer:
dimaraw [331]3 years ago
3 0

Step-by-step explanation:

45X + 2000 = Y

Where X = Number of units

Y = Total Cost

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Solve (x + 3 < 5) U (x - 7 > 1).
ale4655 [162]

Answer:

{ x | x < 2 or x > 8}

Step-by-step explanation:

Given the expression

(x + 3 < 5) U (x - 7 > 1).

Solve x+3 < 5

Subtract 3 from both sides

x+3 - 3 < 5-3

x < 2

For x - 7 > 1

Add 7 to both sides

x-7+7 > 1 + 7

x > 8

Hence the union of both is { x | x < 2 or x > 8}

4 0
3 years ago
lewis rolls a number cube and then chooses a card from a set of cards numbered 1 through 5. What is the probability that he will
iragen [17]

Answer:

\frac{1}{5}

Step-by-step explanation:

Sample Space for the Cube, A={1,2,3,4,5,6}

n(A)=6

Even Numbers in A={2,4,6}

Sample Space for the Cards, B={1,2,3,4,5}

n(B)=5

Even numbers in the card,B= {2,4}

The two events are INDEPENDENT Events as the outcome of the cube does not affect the card picked, therefore:

P(A and B)=P(A) X P(B)

=\frac{3}{6} X \frac{2}{5}

=\frac{1}{5}

3 0
3 years ago
Read 2 more answers
A car started driving from city A to city B, distance between which is 620 miles, at a rate of 60 mph. Two hours later a truck l
Amanda [17]

Answer:

60·(x + 2) = 620 - 40·x --> x = 5



4 0
3 years ago
Read 2 more answers
The global maxima is at what point? <br><br> A. c<br> B. b<br> C. a and b<br> D. a
Otrada [13]

C I think but I’m not suuuper sure

4 0
3 years ago
Graph y = x2 – 3x+4. Find the axis of symmetry and the vertex,
valentina_108 [34]

Answer:

The axis of symetry is the X value that splits the graph in half. For this equation, the axis of symmetry is x= \frac{3}{2}.

The vertex is the highest or lowest point on the graph. For this equation, the vertex is (\frac{3}{2} ,\frac{7}{4} )

Step-by-step explanation:

See the graph.  please give me brainliest if I helped!

7 0
3 years ago
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