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IRISSAK [1]
3 years ago
11

Samir knows that the volume of a prism is 40 cubic units. He also knows that the width of the prism is 2 units and the height is

5 units What is the length of the prism
Mathematics
1 answer:
Iteru [2.4K]3 years ago
4 0

Answer:

The answer to your question is 4 units

Step-by-step explanation:

Data

Volume = 40 u³

width = 2 u

height = 5 u

length = ?

Formula

Volume of a prism = width x height x length

Solve for length

        length = Volume / (width x height)

Substitution

        length = 40 / (2 x 5)

Simplification

        length = 40 / 10

Result

        length = 4 u

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Step-by-step explanation:

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3 0
3 years ago
your friend bought 3 bags of wild bird seed and an $18 bird feeder. each bag of birdseed costs the same amount. if your friend s
IrinaVladis [17]
The total amount that your friend spent is the sum of the cost for 3 bags of wild bird seed and the bird feeder. By letting x be the cost of each bag of wild bird seed, the total cost for purchasing 3 bags of this is 3x. The equation that may be used to determine x is letter "B. 3x + 18 = 45". Each bag costs $9.
8 0
3 years ago
X-26 over -9= 5 please help quick
nexus9112 [7]

Answer:

x = -19

Step-by-step explanation:

\frac{x-26}{-9}=5

Multiply both sides of the equation by -9.

\frac{\left(x-26\right)\left(-9\right)}{-9}=5\left(-9\right)

x - 26 = -45

Add 26 to both sides.

x - 26 + 26 = -45 + 26

x = -19

6 0
2 years ago
What is the constant of the expression? 5x−2y+2.4
Leno4ka [110]
The correct answer is the 2.4

The constant in an equation is the number(s) that don't have variables.

This is because variables can change the number they are attached to, making them not constant.

Hope this helps!
6 0
3 years ago
Read 2 more answers
Assume that 33.4% of people have sleepwalked. Assume that in a random sample of 1459 ​adults, 526 have sleepwalked.
lutik1710 [3]

Answer:

Step-by-step explanation:

Given that  33.4% of people have sleepwalked.

Sample size n =1459

Sample favourable persons = 526

Sample proportion p = \frac{526}{1459} \\=0.361

Sample proportion p is normal for large samples with mean = 0.334 and

std error = \sqrt{\frac{pq}{n} } \\=\sqrt{\frac{0.334(1-0.334)}{1459} } \\=0.0123

a) P(526 or more of the 1459 adults have sleepwalked.)

=P(p\geq 0.361)\\=P(Z\geq \frac{0.361-0.334}{0.0123} \\=P(Z\geq 2.20)\\=0.5-0.4861\\=0.0139

b) Yes, because hardly 1.4% is the probability

c) 33.4 is very less compared to the average.  Either sample should be improved representing the population or population mean should be increased accordingly.

7 0
3 years ago
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