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adell [148]
2 years ago
13

Please help me with this question <3

Mathematics
1 answer:
Brilliant_brown [7]2 years ago
7 0

\qquad \qquad  \bf \huge\star \:  \:  \large{  \underline{Answer} }  \huge \:  \: \star

For two lines to be parallel, there should be angles that follow some specific properties that is usually observed with parallel lines.

We can clearly see that :

\qquad❖ \:  \sf \: \angle7 \cong \angle16

( by Alternate interior angle pair )

\qquad \large \sf {Conclusion}  :

Lines l and m are parallel to each other.

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Find f(–2) for the function f(x) = 3x^2 – 2x + 7
seraphim [82]
Replace every x in the function with a -2. 3(-2)^2 - 2(-2) + 7. Simplifying gives you 3(4) + 4 + 7. Do the math now. 12 + 4 + 7 = 23
4 0
3 years ago
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How many times does X squared minus 4X -12 cross the X axis
kolbaska11 [484]

We can solve this problem using discriminant.

x^2-4x-12's discriminant is

(-4)^2-4*-12=16+48 which is clearly larger than 0

This means that it crosses over the axes 2 times.

In case you don't know what discriminant is, its in equation ax^2+bx+c

the discriminant is b^2-4ac.

If its positive it has 2 crosses with x axis, if negative then 0 crosses, if 0 then 1 cross.

Hope this helped at least a little bit :D

4 0
3 years ago
If a diaper rash cream cost $1.35 per pound what is the price for 3 pounds of diaper rash cream
Ivahew [28]
<h3>♫ - - - - - - - - - - - - - - - ~<u>Hello There</u>!~ - - - - - - - - - - - - - - - ♫</h3>

➷ Just multiply the price by 3:

1.35 x 3 = 4.05

It would cost $4.05

<h3><u>✽</u></h3>

➶ Hope This Helps You!

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6 0
3 years ago
Read 2 more answers
A librarian wants to spend no more than $800 on some new desks and chairs for the library. The librarian decides to spend $320 o
Ratling [72]

Answer:

I think 20

Step-by-step explanation:

480/24

6 0
3 years ago
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What are the steps to solve for: 1/5(x+5)=1/4(x-3)+1
andrew11 [14]
Step 1. Simplify \frac{1}{5} (x+5) to \frac{x+5}{5}

\frac{x+5}{5} = \frac{1}{4} (x-3)+1

Step 2. Simplify \frac{x+5}{5} to 1+ \frac{x}{5}

1+ \frac{x}{5} = \frac{1}{4} (x-3)+1

Step 3. Simplify \frac{1}{4} (x-3) to \frac{x-3}{4}

1+ \frac{x}{5} = \frac{x-3}{4} +1

Step 4. Cancel 1 on both sides

\frac{x}{5} = \frac{x-3}{4}

Step 5. Multiply both sides by 20 (the LCM of 5,4)

4x=5(x-3)

Step 6. Expand

4x=5x-15

Step 7. Subtract 5x from both sides

4x-5x=-15

Step 8. Simplify 4x-5x to -x

-x=-15

Step 9. Multiply both sides by -1

x=15

Done! :) Hope this helps! :)








3 0
3 years ago
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