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ivanzaharov [21]
3 years ago
8

PLEASE HELP!!!! Geometry is so hard and this is due tonight :(

Mathematics
1 answer:
Bezzdna [24]3 years ago
4 0
Number 7 Should Be A. 2.5
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1 calcule o valor das expressões A) 2x+(3.4)²+(7.7) B) 3x+(2.6)+(8.8)² C)7.6+(28.3)+(4)² D)7x-(7.8)+(9:3)
I am Lyosha [343]

Answer:

Follows are the solution to the given points:

Step-by-step explanation:

Given:

A) \ \ 2x+(3.4)^2+(7.7) \\\\B) \ \ 3x+(2.6)+(8.8)^2\\\\C)\ \ 7.6+(28.3)+(4)^2 \\\\D)\ \ 7x-(7.8)+(9:3)

For point A:

\to  2x+(3.4)^2+(7.7)\\\\\to  2x+(11.56)+(7.7)\\\\\to  2x+19.26\\\\

For point B:

\to 3x+(2.6)+(8.8)^2\\\\\to 3x+(2.6)+77.44\\\\\to 3x+80.04

For point C:

\to \ 7.6+(28.3)+(4)^2 \\\\\to \ 7.6+(28.3)+16 \\\\\to \ 7.6+44.3 \\\\\to 51.9

For point D:

\to 7x-(7.8)+(9:3)\\\\\to 7x-(7.8)+ \frac{9}{3}\\\\\to 7x- \frac{23.4+9}{3}\\\\\to 7x- \frac{32.4}{3}\\\\\to 7x- 10.8

3 0
2 years ago
Sonora currently has an account balance of $1,822.07. Her initial deposit on the account was $781 and it earned 4.3% simple inte
Tanya [424]

Answer: 31

Step-By-Step Explanation:

3 0
3 years ago
Alison can pay for her gym membership on a monthly basis but if she pays for an entire year of the membership and event shall re
horsena [70]
What do you think the answer is? Tell me and I will help you some more! :)
6 0
3 years ago
Find the area of the shaded sector of the circle. Leave in terms of pi.
qaws [65]

Answer:

a=10.88\pi

Step-by-step explanation:

using the formula below, the central angle is 20° (bc 360-180-160=20)

radius is 14 (28/2=14)

\frac{20}{360} =\frac{a}{\pi r^2} \\ \frac{1}{18} =\frac{a}{\pi 14^2}

\frac{1}{18} =\frac{a}{196\pi}

a=\frac{1*196\pi}{18} \\a=1*10.88\pi\\a=10.88\pi

3 0
2 years ago
What is the domain of the function y=3x-1?<br> Please help
mario62 [17]

Answer:

what you marked blue is right

Step-by-step explanation:

I think

3 0
2 years ago
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