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4 years ago

Find the perimeter of the triangle shown 4 1/2in and 5 1/2in And 6in

Mathematics

1 answer:

Jlenok [28]4 years ago

3 0

Add all the sides together for perimeter

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A tissue can be 0.000075 in scientific notation.

liberstina [14]

To turn a number into scientific notation, move the decimal point so that there is only 1 number to the left of the decimal point.

Count the number of spaces you moved the decimal point.

If you move the decimal point to the right, the exponent is negative, if you move it to the left the exponent is positive.

0.000075

You need to move the decimal point 5 places to the right to get 7.5

Because it was moved to the right, the exponent is negative 5

The answer would be 7.5 x 10^-5 which is B.

8 0

3 years ago

Suppose that the functions s and t are defined for all real numbers x as follows.

jeka94

Answer:

$(s.t)(x) = 4x^2+24x^2\\(s-t)(x) = x+6-4x^2\\(s+t)(-3) = 39$

Step-by-step explanation:

Given functions are:

$s(x)= x+6\\t(x)= 4x^2$

We have to find:

(s.t)(x) => this means we have to multiply the two functions to get the result.

So,

$(s.t)(x) = s(x)*t(x)\\= (x+6)(4x^2)\\=4x^2.x+4x^2.6\\=4x^3+24x^2$

Also we have to find

(s-t)(x) => we have to subtract function t from function s

$(s-t)(x) = s(x) - t(x)\\= (x+6) - (4x^2)\\=x+6-4x^2$

Also we have to find,

(s+t)(-3) => first we have to find sum of both functions and then put -3 in place of x

$(s+t)(x) = s(x)+t(x)\\= x+6+4x^2$

Putting x = -3

$= -3+6+4(-3)^2\\=-3+6+4(9)\\=3+36\\=39$

Hence,

$(s.t)(x) = 4x^2+24x^2\\(s-t)(x) = x+6-4x^2\\(s+t)(-3) = 39$

8 0

3 years ago

One leg of a right triangle has length 7 and all sides are whole numbers. find the lengths of the other two sides.

tatuchka [14]

Check the attached file for the answer.

5 0

3 years ago

Can someone please help me?

Ivahew [28]

Im guessing either 2/3*570 or 1/3*5700

4 0

3 years ago

Read 2 more answers

why was everyone laughing? And if she said “after the ban”, does that mean past tense or future tense? Please explain

KatRina [158]

I don’t get why everyone is laughing.. but it’s in past tense since they are getting banned, or banned by now probably. That’s an interesting question

8 0

3 years ago