3 years ago

HELP PLZ with this problem

Mathematics

1 answer:

Serjik [45]3 years ago

7 0

2.0x5 would eqaul 5 plus the samll 2 minus 15 then u would get b

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A pair of headphones used to cost $380 is now being sold for $330. Find the percent of change from $380 to $330. Round your answ

Alex17521 [72]

Answer:

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3 years ago

Write an equation of a line that passes through the point (-4, 5) and have a slope of 1/2

Anna [14]

Answer:

y = 1/2x + 7

Step-by-step explanation:

y = mx+ b

y = 5

x = -4

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The city of Austin has a bridge that is famous for housing the largest urban bat colony in the world. It is home to 1.5 million

mylen [45]

<u>Answer:</u>

The 2 million bats will consume 20 tons of insects in the city of Austin

<u>Solution:</u>

The population of the bats increases to 2 million in the city of Austin

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Now, according to given information

1.5 million bats ⇒ 15 tons of insects

Now, 2 million bats ⇒ x tons of insects

Then by chris cross method

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$x \times \frac{15}{10}=15 \times 2$

$\begin{array}{l}{x \times 15=15 \times 2 \times 10} \\\\ {x=2 \times 10=20}\end{array}$

Hence, the 2 million bats will consume 20 tons of insects.

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3 years ago

What does a slope tell us

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3 years ago

Read 2 more answers

Please help me ... 6a + 2(c - b) when a = 2, b = 1, and c = 9 I know thë answer but I just need an explanation

Angelina_Jolie [31]

Answer:

Step-by-step explanation:

Let the expression representing a situation is,

y = 6a + 2(c - b)

Where, a, b and c are the constants

If a = 2, b = 1 and c = 9

By substituting these values in the expression,

y = 6(2) + 2(9 - 1)

y = 12 + 16

y = 28

Therefore, for all given values of the constants value of y is 28.

5 0

3 years ago