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juin [17]
3 years ago
12

Evaluate F(x)-x2+1 for x=3

Mathematics
1 answer:
hammer [34]3 years ago
3 0
F (3)=-3×2+1
=6+1
=7
∴F (3)=7
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Of 7<br> Express in the form n : 1.<br> Give n as a fully simplified fraction.<br> 6:14
hjlf

Answer:

The ratio is;

3/7 : 1

Step-by-step explanation:

Here, we want to express the given ratio in the form n:1 where n is a fully simplified fraction

Mathematically, we have this by dividing both numbers by 14

That would be ;

6/14 : 14/14

= 3/7 : 1

3 0
3 years ago
Find the solution(s) to (x-3)^2=49. Check all that apply
Natasha_Volkova [10]

Answer:

B. x = -4

E. x = 10

Step-by-step explanation:

(x-3)^2=49 \\  \\ x - 3 =  \pm \sqrt{49}  \\  \\ x - 3 =  \pm 7 \\  \\ x = 3 \pm 7 \\  \\ x = 3 + 7, \:  \: x = 3 - 7, \\  \\ x = 10, \:  \: x =  - 4

8 0
3 years ago
Which number line shows the solution set for |m| = 4
Margaret [11]

Answer:

Last choice that shows points on +4 and -4 is the correct graph.

Step-by-step explanation:

We have been given equation |m|=4. Now we need to find out which of the given number lines shows the corret solution set for |m|=4.

We know that |x|=a can be broken into two parts as:

x=+a and x=-a

Same way we can break |m|=4 into two parts as:

m=+4 and m=-4

Hence last choice that shows points on +4 and -4 is the correct graph.

4 0
3 years ago
What does the ratio of water and flour 10:4.5 mean?
tino4ka555 [31]
You're mixing water and flour, following the rule that for each 4.5 cup of flour you add 10 cups of water.

Note that 10:4.5 is equivalent to 20/9.
4 0
4 years ago
I need help for summer school. plz I'm in honors math 2 and i cant find an answer. The equation is: -7x-60=x^2+10x
Ivanshal [37]

Answer:

x = -12       x = -5

Step-by-step explanation:

-7x-60=x^2+10x

Add 7x to each side

-60=x^2+10x+7x

-60=x^2+17x

Add 60 to each side

0 = x^2+17x+60

Factor

What 2 numbers multiply to 60 and add to 17

12*5 = 60

12+5 = 17

0 = (x+12) (x+5)

Using the zero product property

x+12 = 0   x+5 =0

x = -12       x = -5

7 0
4 years ago
Read 2 more answers
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