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3 years ago

Evaluate the algebraic expression u + r - s when r = 13, s = 10, t = 7 and u = 15

Mathematics

1 answer:

Nesterboy [21]3 years ago

6 0

Plug in all the values
16 + 13 -10 = 19
19, Hope this helps!

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Sam found 24 seashells. Steve also found some. They found 67 seashells altogether. How many seashell did Steve found.

stepan [7]

Steve found 43 seashells

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3 years ago

Five years ago, the population of a city was 49,000. each year the zoning commission permits an increase of 580 in the populatio

Paladinen [302]

The maximum population be 5 year from now will be 54,800 given that five years ago, the population of a city was 49,000 and each year the zoning commission permits an increase of 580 in the population. This can be obtained using the formula of arithmetic progression.

<h3>What will the maximum population be 5 year from now?</h3>

Formula of arithmetic progression is given by,

⇒ aₙ = a + (n - 1)d

where aₙ = nth term, a = first term, d = common difference

Here in the question it is given that,

Five years ago, the population of a city was 49,000

Each year the zoning commission permits an increase of 580 in the population

We have to find out the maximum population in 5 year from now.

By using the formula of arithmetic progression we get,

aₙ = a + (n - 1)d,

here in the question,

a = 49,000,

n = five years ago + current year + five years from now ⇒ n = 5 + 1 + 5 ⇒ n = 11g

d = 580

Now we get,

⇒ aₙ = a + (n - 1)d

⇒ aₙ = 49000 + (11 - 1)580

⇒ aₙ = 49000 + (10)580

⇒ aₙ = 49000 + 5800

⇒ aₙ = 54,800

Hence the maximum population be 5 year from now will be 54,800 given that five years ago, the population of a city was 49,000 and each year the zoning commission permits an increase of 580 in the population.

Learn more about arithmetic progression here:

brainly.com/question/16954227

#SPJ4

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1 year ago

There were 490 people at play. The admission price was $3.00 for adults and $1.00 for children. The admission receipts were $990

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Hope this helps! This is system of equations.

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3 years ago

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Robin has 3 feet of ribbon. She uses part of it for a craft and has 2.5 feet left. She divides the 2.5 remaining feet among her

madreJ [45]

0.25 Feet for each friend because 2.5/10=0.25

5 0

3 years ago

Use the given information to solve the triangle for A = 150°, b = 4.8, a = 9.4

ELEN [110]

Well you can start by drawing a triangle with the information

the size of angle B can be found using the Law of Sine

$\frac{sin(150)}{9.4)} = \frac{sin(B)}{4.8}$

the size of angle C can be found using angle sum of a triangle.

The length of side c can be found using the Law of Cosines

$c^2 = 4.8^2 + 9.4^2 - 2 \times4.8\times9.4\times cos(C)$

hope it helps

7 0

3 years ago