(7y + 78) = (y + 10)

Answers

Answer 1

Answer:

$\text{Hello there!}\n\n\text{Solve for y:} \n\n7y + 78 = y + 10\n\n\text{Subtract y from both sides}\n\n6y+78=10\n\n\text{Subtract 78 from both sides}\n6y=-68\n\n\text{Divide both sides by 6}\n\n\nboxed{y= -34/3}$

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F(x)=3x+2 and g(x)=-2x-4, find h(x)= f(x)-g(x)

Answers

substitute for your equation;

h(x) = f(x) - g(x)

h(x) = (3x + 2) - (-2x -4)

h(x) = 3x + 2 + 2x + 4 (minus and minus = addition)

h(x) = 3x + 2x + 2 + 4 (combine like terms)

h(x) = 5x + 6

Hope that helps! :D

A convex pentagon has the following measurements for its interior angles: (x-8), (3x-11), (x+8), (x), and (2x+7). Which of the following could be measurements for interior angles of the pentagon? Select all that apply.A: 60

B: 68

C: 76

D: 108

E: 193

F: 540

Answers

Answer: A, B, C, E

Explanation:

The sum of the interior angles of a polygon can be determined by the formula: (n - 2)180 ; where n represents the number of sides. Since a pentagon has 5 sides, then (5 - 2)180 = 540

x - 8

3x - 11

x + 8

2x + 7

8x - 4 = 540

+4 +4

8x = 544

÷8 ÷8

x = 68

**********************

x - 8 ⇒ 68 - 8 = 60 (A)

3x - 11 ⇒ 3(68) - 11 = 193 (E)

x + 8 ⇒ (68) + 8 = 76 (C)

x ⇒ (68) (B)

2x + 7 ⇒ 2(68) + 7 = 143

The sumof the pentagon's interior angles is: 540°

According to the Question, we have: (x-8)+(3x-1)+(x+8)+x+(2x+7)=540

x-8+3x-11+x+8+x+2x+7=540

x+3x+x+x+2x=540+8+11-8-7

8x=544

x=544/8=68

(x-8)=68-8=60 (choose letter A)

(3x-11)=3*68-11=193 (choose letter E)

(x+8)=68+8=76 (choose letter C)

(x)=68 (choose letter B)

(2x+7)=2*68+7=143 (cannot select any letter)

In short, we choose letter A, B, C and E.

What's the question? One hour and 10 minutes later, it was 6:20 P.M.

Answers

You can make a question out of this. What time was it one hour and ten minutes before 6:20 pm

What time was it one hour and 10 minutes ago from 6:20 pm?

Linda did jumping jacks every night for a week.She did 75 on each of the first three nights and 2 times as many on each of the remaining nights.How many total jumping jacks did Linda do that week?

Answers

Answer:

Total number of jumping Jacks by Linda in 7 days = 825

Step-by-step explanation:

Total number of days Linda jumped = 7 days

Now, for first 3 days, jumping jacks each day = 75

So, total jumping jacks in first 3 days = 75 x 3 = 225

Now, number of days left in the week = 7 days - 3 days = 4 days

Also, for next 4 days, jumping jacks each day = 2 x 75 = 150

So, total jumping jacks in last 4 days = 150 x 4 = 600

Hence, the Total number of jumping Jacks in 7 day

= Jumping Jacks in fist 3 days + Number of jumping jack in last 4 days

= 225 + 600

= 825

Hence, Total number of jumping Jacks by Linda in 7 days = 825

Amanda figured out that her aunt's age is 5 more than one - half the square of her own age. If Amanda is 8 years old, how old is her aunt? A) 21 B) 32 C) 37 D) 59
THE ANSWER IS 37 BUT HOW DO U SOLVE IT

Answers

so the way that i would solve it is i would take 8 and square it which would equal 64 then devide it by 2 and that gives me 32 and then add 5 which gives me 37 and thats how i would get the answer. (8^{2}=64 /2=32+5=37)

the answer is D because that's 5 more than one (half the square of her own age) ;)

A cylinder has a base with a radius of 5 cm and a height of 15 cm. What is the volume of the cylinder? (Use π = 3.14.) A.
235.5 cm3

B.
471 cm3

C.
1177.5 cm3

D.
4710 cm3

Answers

im all most postive it is b 471cm but im not sure i hope this helps

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