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stealth61 [152]
3 years ago
12

Multiply (x-3)(4x+2) using the FOIL method

Mathematics
1 answer:
Brilliant_brown [7]3 years ago
8 0
(x-3)(4x+2)

first, outer, inner, last

4x^2 + 2x + -12x + -6

simplify:
4x^2 – 10x – 6
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Find the area of Khianna's fish. I WILL GIVE YOU 90 POINTS. IF IT'S AN IRRELEVANT ANSWER JUST FOR POINTS IT WILL BE DELETED.
Soloha48 [4]

tail: 4.5x5/2=11.25, 4.5x3/2=6.75, 11.25+6.75=18

top fin: 3x2.25/2=3.375, 3x0.75/2=1.125, 3.375+1.125=4.5

bottom fin: 1x1/2= 0.5, 1x0.5/2=0.25, 0.5+0.25=0.75

nose: 4.5x2=9

between tail and body: 2.5x2=5

corners on body: 1.5x0.5/2x4=1.5

top and bottom on body: 0.5x5x2=5

body: 1.5x2+5=8, 2x2=4, 4x8=32

total: 18+4.5+0.75+9+5+1.5+5+32=75.75

total area of khianna's fish is 75.75 cm.

hope this helps

5 0
4 years ago
Find the quadratic function that fits curve below. Select the correct answer.
raketka [301]
<h2>Hello!</h2>

The answer is:

The quadratic function that fits the given picture is:

y=-3x^{2}+13x-5

<h2>Why?</h2>

We can solve the problem and find the correct function that fits the curve below by finding which function intercepts the y-axis at -5 (we can see it from the picture), also, we need to look for a function that represents a parabola opening upwards. We need to remember that when a parabola is opening upwards, its quadratic term coefficient is negative.

So, we can see that from the given functions, the only function that represents a parabola opening upwards and its y-intercept is located at y equal to -5 is the second option:

y=-3x^{2}+13x-5

We have that :

a=-3(negative)\\b=13\\c=-5(y-intercept)

We can see that the quadratic term (a) is negative, and the quadratic function intercepts the y-axis at y equal to -5.

Hence, the answer is:

The quadratic function that fits the given picture is:

y=-3x^{2}+13x-5

Have a nice day!

Note: I have attached a picture for better understanding.

4 0
3 years ago
How do i evaluate p=2l+2w if l=5 and w =3
BARSIC [14]

Answer: p = 16

Step-by-step explanation:

Replace the I with 5 and the W with 3.

2(5) + 2(3) = 10 + 6 = 16

5 0
3 years ago
can some one explain how to get the answer to this : the record for the most amount of rain in the shortest periodontal time in
Vlad [161]
Do 42 divided by 15 then divided 12 by the awnser. And you do 42 divided by 28 and divided that by 12 I think I'm pretty sure
8 0
3 years ago
HELP ASAP MARKING AS BRINLIST
weeeeeb [17]

Answer:

Because they are equal (Right angle)

Two figures or objects are congruent if they have the same shape and size, or if one has the same shape and size as the mirror image of the other.

8 0
4 years ago
Read 2 more answers
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