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Neporo4naja [7]
2 years ago
15

Alex had $29 in a bank account. He withdrew $13 for pizza and then $18 for a movie. How much money does Alex have left in his ac

count?
Mathematics
2 answers:
Aleksandr [31]2 years ago
7 0

Answer:

-12

Step-by-step explanation:

18 plus 13 is 41 29 subtracted from 41 is -12

LuckyWell [14K]2 years ago
6 0

Answer:

- $2

Step-by-step explanation:

Alex withdrew money twice, or he subtracted those amounts from the total that he had.

In this case, he withdrew $13 first, and then $18, or:

13 + 18 = 31

$31 dollars in all.

Alex had $29. Subtract the total that he withdrew from the amount he had:

29 - 31 = -2

Alex has - $2, or he owes the bank $2 with interest.

~

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A box has a volume of 546cm3 and a surface area of 422cm2. What are the Length, Width and Height?
Klio2033 [76]
We know that the formula for the volume of a box is:

V =lwh

Where:
l = length
w = width
h = height

The formula of the surface area of a box is:
SA=2(lw+lh+wh)

Based on the given we know the following:
546cm^{3} =lwh

and

422cm^{2}=2(lw+lh+wh)

If we factor out the given volume, you can come up with 3 numbers that will satisfy the surface area formula:

546=6*7*13

Let:
l = 6cm
w = 7cm
h = 13cm
     
Now let's try this on the surface area formula:
422cm^{2}=2(lw+lh+wh)
422cm^{2}=2((6cm*7cm)+(6cm*13cm)+(7cm*13cm))
422cm^{2}=2(42cm^{2}+79cm^{2}+91cm^{2})
422cm^{2}=2(211cm^{2})
422cm^{2}=422cm^{2}

The answer is then:
l = 6cm
w = 7cm
h = 13cm

Any order would be fine.
4 0
3 years ago
Which is the graph of y = -1/x?
olchik [2.2K]

C would be your answer.

7 0
2 years ago
your order 4 fish tacos and a hamburger. The cost of the hamburger is $2.50. Your total bill before tax is $14.30. Write and sol
ValentinkaMS [17]

Answer:

$2.95

Step-by-step explanation:

Step 1:

( $14.30 - $2.50 ) ÷ 4

Step 2:

$11.80 ÷ 4

Answer:

$2.95

Hope This Helps :)

4 0
3 years ago
Read 2 more answers
What is the recursive formula for this geometric sequence with this explicit formula?
BabaBlast [244]

D

the n th term (explicit ) formula for a geometric sequence is

a_{n} = a_{1}(r)^{n-1}

The given explicit formula therefore has

a_{1} = 5 and r = - \frac{1}{8}

The recursive formula, allows us to find the next term in the sequence from the previous term

Here the next term in the sequence is obtained by multiplying the previous term by - \frac{1}{8}

a_{n} = a_{n-1}(- \frac{1}{8}) with a_{1} = 5


6 0
3 years ago
Given the right triangle below with the altitude drawn, choose all of the statements that are true.
harina [27]

Answer:

6, 2, 5

Step-by-step explanation:

5 0
3 years ago
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