Here is more that I need help me Please help

Answers

Answer 1

Answer: your questions are mixed up

ok so if you had a ppolynomial that had a leading term of a and a constant of c, then
possilbe rational roots=+/- $(factors_of_c)/(factors_of_a)$
therefor
+/-1/1 +/-3/1 +/-9/1
the bottom sign never changes therefor it was
$+/- (1*3*9)/(1)$
therefor the leading term was 1 and the contatnt was 27

to find how many sole during 8th hour, just subsitue 8 for x
g(8)=8^3-8(8^2)+10(8)+27=80+27=107 tickets
you don't need synthetic division
constant is the one that doesn't change so that isi 27

constant is 27
tickets=107

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Sally needs 2 cups of flour to make her cake. She has 1 cups of flour. How much flour will she need to borrow to have enough to bake her cake?

Answers

she needs one more cup of flower

She needs = 2 - 1 = 1

So, she needs 1 cup of flour more.

Nikki is participating in a charity walk thisweekend. She walks at a pace of 4.2 miles
per hour. How long will it take her to walk
35.7 miles?

Answers

Answer:

8.5 hours

Step-by-step explanation:

We know that it takes Nikki 1 hour to walk 4.2 miles.

We need to figure out how long it will take her to walk 35.7 miles.

This is our expression; 35.7 ÷ 4.2.

Let's go ahead and divide these two numbers.

(35.7 ÷ 4.2) = 8.5

So It will take Nikki 8.5 hours to walk 35.7 miles.

Feel free to give brainliest.

Have an excellent day!

If y=5x-3 and 3x-y=-1, what is the value of y

Answers

Well if you make them both equal to y I got...
Y=-3x+1
Y=5x-3
But I don't think you can find it without the y since they are different variables. Like I know -3x and 5x are the slopes and 1 and -3 are the y intercepts but I'm stuck after that. Sorry if that wasn't any help.
Hope I helped.

1 is the answer! Hope this helps

Solve the following equation: 6y – 20 = 2y – 4.A. y = 3
B. y = 16
C. y = 4
D. y = 2

Answers

6y - 20 = 2y - 4

Add 20 on both sides

6y - 20 + 20 = 2y - 4 + 20
6y = 2y - 4 + 20
6y = 2y + 16

Subtract 2y on both sides.

6y - 2y = 2y - 2y + 16
6y - 2y = 16
4y = 16

Divide 4 on both sides.

4y/4 = 16/4
y = 16/4

y = 4.

Your final answer is C. y = 4.

6y-20 =2y-4

ans: y=4

hope it would help

What is 5r^2 = 80

It says solve each equation with the quadratic formula.

Answers

$5r^2 = 80 \ \ /:5\n \nr^2=(80)/(5)\n \nr^2=16\n \nr^2-16=0\n \n r^2 - 4^2 =0 \n \n(r-4)(r+4)=0$

$r-4=0 \ \ \vee \ \ r+4 =0 \n \nr=4 \ \ \vee \ \ r = -4 \n \n \n a^2-b^2 = (a- b)(a+b)$

How would I write 8.21 as a mixed number?

Answers

we know that

A mixed number is a number consisting of a whole number and a proper fraction

we have

$8.21$

$8.21=8+0.21=8+(21)/(100)=8(21)/(100)$

therefore

the answer is

$8(21)/(100)$

The value of mixed number of number 8.21 is,

⇒ 8 (21 / 100)

We have to given that;

A number is,

⇒ 8.21

Now, We can simplify as;

⇒ 8.21

⇒ 8.21 × 100 / 100

⇒ 821 / 100

⇒ 8 21/100

Therefore, The value of mixed number of number 8.21 is,

⇒ 8 (21 / 100)

Learn more about the fraction visit:

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