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3 years ago

Can someone please explain the steps?

Mathematics

2 answers:

Andreyy893 years ago

6 0

Answer:

142°

Step-by-step explanation:

It is a little rough

Hope this helps.

Mark brainliest if this helps you.

jonny [76]3 years ago

4 0

hi <3

so basically, there are a few rules you need to know of and i'll describe those first.

angles in a triangle sum to 180 degrees. AND

angles on a straight line sum to 180 degrees

so, by using the first rule, we can calculate the missing angle within the triangle:

180 - (52 + 90) = 38

now, we can use the second rule to find x

180 - 38 = 142

x = 142 degrees

hope this helps :)

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Ksju [112]

Answer:

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Step-by-step explanation:

Subtract the tax to find the actual sale price then multiply by 4. 12-1.20=10.80.... 10.80*4=43.30

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3 years ago

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5.6×10⁴ in standard notation

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3 years ago

After allowing 20percent discount and levying 13percent vat the value of a watch will be rs 904 what is the marked price of watc

Eddi Din [679]

9514 1404 393

Answer:

₹1000

Step-by-step explanation:

Let m represent the marked price. After the discount, the price is 0.80m. After the tax is added, the price is (0.80m)(1.13). This value is Rs 904, so the marked price is ...

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3 years ago

Suppose f is a function with exponential growth and f(0)=1. Explain why f can be represented by a formula of the form

galben [10]

We are supposed to explain why the given function can be expressed in form $f(x)=b^{x}$ , when $f(0)=1$ .

Since the given function is an exponential function we can express it as $f(x)=a(b)^{x}$ .

Now let us substitute x=0 in the given function,

$f(x)=b^{x}$

$f(0)=b^{0}$

$f(0)=1$

Let us substitute x=0 in our function.

$f(0) = a(b)^{0}$

$f(0) = a\cdot 1$

$f(0)=a$

Upon substituting a=1 in our function we will get,

$f(x) = 1(b)^{x}$

$f(x) =(b)^{x}$

Therefore, our function f can be represented by the formula of the form $f(x)=b^{x}$ .

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3 years ago

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(5p-9)(5p-9) find each square

Iteru [2.4K]

Answer:

The square would be 25p^2 - 90p + 81

Step-by-step explanation:

To get this, use the FOIL method. In this, we multiply the first, outer, inner and last pairings.

First - Multiply the first number in each parenthesis.

5p * 5p = 25p^2

Outer - Multiply the outside numbers in each parenthesis.

5p * -9 = -45p

Inner - Multiply the inner numbers in each parenthesis.

-9 * 5p = -45p

Last = Multiply the last numbers in each parenthesis

-9 * -9 = 81

Now take all of those numbers and add together. Then simplify.

25p^2 - 45p - 45p + 81

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3 years ago