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ra1l [238]
2 years ago
7

(X-4) (x+2)=16 What’s the standard form

Mathematics
2 answers:
Reika [66]2 years ago
8 0

Step-by-step explanation:

(x - 4)(x + 2) = 16 \\  {x}^{2}  + (- 4 + 2)x + ( - 4)  \times 2= 16 \\  {x}^{2}  - 2x - 8  - 16 = 0 \\  {x}^{2}  - 2x - 24 = 0 \\ is \: the \: standard \: form.

Pavel [41]2 years ago
4 0

Answer:

Step-by-step explanation:

(x-4)(x+2)=16

x^{2}+(-4+2)x+(-4)×2=16

x^{2} - 2x - 8 - 16= 0

x^{2} -2x -24 = 0

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Mr smith likes small oranges he likes to eat some everyday over the summer he will eat 3 oranges a day on the days with a “t” in
faltersainse [42]

Answer:

Step-by-step explanation:

Days with t are: Tuesday, Thursday and Saturday.

In the period of time given there are 20 T days (20 x 3 = 60 oranges)

In the period of time given there are ? no T days (27 x 2 = 54 oranges)

60 + 54 = 114 Oranges eaten over the school holidays

8 0
2 years ago
A box of cereal contains 23.4 ounces. It costs $5.49. What is the cost to the nearest cent of the cereal per ounce
cestrela7 [59]
So in a proportion 23.4 over 5.49 equals 1 over o and multiply 5.49•1=23.4o
5.49=23.4o divide by 23.4 on both sides and that equals 4.26 per oz
3 0
2 years ago
Read 2 more answers
One half of the students in a school are girls, 3/5 of these girls are studying in lower classes. What fraction of girls are stu
andrew-mc [135]

Answer:

4

Step-by-step explanation:

4

6 0
2 years ago
B(n) = -1 (2)^n-1 What is the 5th term in the sequence?
bija089 [108]

Answer:

<h2>The answer is - 16</h2>

Step-by-step explanation:

<h3>b(n) =  - 1 ({2})^{n - 1}</h3>

where

n is the number of terms

From the question since we are finding the 5th term

n = 5

Substitute the value into the above formula and solve

We have

b(5) =  -  1({2})^{5 - 1}  \\  =  - 2 ^{4}

We have the final answer as

<h3>- 16</h3>

Hope this helps you

8 0
3 years ago
A cylinder has a height of h inches and a diameter of 3 inches.
professor190 [17]

Answer:

Option A

Step-by-step explanation:

since V = p×r^2×h

r = 3/2

hence, option a is correct.

6 0
1 year ago
Read 2 more answers
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