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3 years ago

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A rectangle has an area of 717.8m squared. One of the sides is 7.4m in length. What is the perimeter of the rectangle btw it’s n

ot 93.4

1 answer:

vlabodo [156]3 years ago

6 0

Answer:

I think it's 208.8m

Step-by-step explanation:

717.8 divided by 7.4 = 97. 97 x 2 + 7.4 x 2 =208.8m

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2. If f(x) = 2X^2 + 3X Find f(-5)

IgorLugansk [536]

Answer:

35

Step-by-step explanation:

2(-5)^2+3(-5)

=2(25)+(-15)

=50-15

=35

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2 years ago

Find f'(x) for f(x) = 5x2 − 3x + 12. 10x + 12(this answer is incorrect) −10x − 3 10x − 3 None of these

nexus9112 [7]

What are ya sayin

Step-by-step explanation:

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3 years ago

Can you show your work for me on divided Omg 0.6 and 12.9

Anna007 [38]

0.6 divided by 12.9.

0.6 is outside the house for the divide then inside the house is 12.6
then you move your decimal point over 1 place so its 06 divide by 126.
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Answer 21.5

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3 years ago

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A triangle has sides with lengths of 64 kilometers, 80 kilometers, and 51 kilometers. Is it a right triangle?

dezoksy [38]

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3 years ago

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Need help on 15 and 16 PLEASEE!!!

melisa1 [442]

Answer:

Part 15) The next three terms are 5/8,3/4 and 7/8

Part 16) The 37th term is -35.5

Step-by-step explanation:

we know that

In an <u>Arithmetic Sequence</u> the difference between one term and the next is a constant and this constant is called the common difference (d)

Part 15) Find the next three terms of the arithmetic sequence

$\frac{1}{8},\frac{1}{4},\frac{3}{8},\frac{1}{2},...$

so

$a1=1/8\\ a2=1/4\\ a3=3/8\\ a4=1/2\\ a2-a1=1/4-1/8=1/8\\ a3-a2=3/8-1/4=1/8\\ a4=a3=1/2-3/8=1/8$

The common difference is equal to

d=1/8

<u><em>Find the next three terms of the arithmetic sequence</em></u>

<u><em>Find a5</em></u>

$a5=a4+d$ -----> $a5=1/2+1/8=5/8$

<u><em>Find a6</em></u>

$a6=a5+d$ -----> $a6=5/8+1/8=3/4$

<u><em>Find a7</em></u>

$a7=a6+d$ -----> $a7=3/4+1/8=7/8$

therefore

The next three terms are

5/8,3/4 and 7/8

Part 16) what is the 37th term of the arithmetic sequence

$4.1,3,1.9,0.8,...?$

so

$a1=4.1\\ a2=3\\ a3=1.9\\ a4=0.8$

$a2-a1=3-4.1=-1.1\\ a3-a2=1.9-3=-1.1\\ a4=a3=0.8-1.9=-1.1$

The common difference is equal to

d=-1.1

We can write an Arithmetic Sequence as a rule

$an=a1+d(n-1)$

substitute the values

$an=4.1-1.1(n-1)$

For n=37

substitute

$a37=4.1-1.1(37-1)$

$a37=4.1-1.1(36)$

$a37=-35.5$

4 0

3 years ago