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Vinil7 [7]
3 years ago
6

Which one should I choose

Mathematics
2 answers:
fiasKO [112]3 years ago
6 0

Answer: opinion D

Step-by-step explanation:

Grace [21]3 years ago
6 0
Answer:
x^2 + 7x + 12

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What is the value of 2x2y2 for x= 3 and y=-2?<br><br> 1
VMariaS [17]

Answer:

The value is 24 because when you do this you mutilply all the numbers together

Step-by-step explanation:

2x3=6

2x2=4

6x4=24

5 0
4 years ago
I need help on #3 #5 and #6
oksano4ka [1.4K]
3. First start by making the mixed number into an improper fraction


15/5 butter for 1 batch; 15/4 batches


then simply multiply


11 and 1/4 cups of butter are needed to make 3 and 3/4 batches.


5. (I might not have gotten this one right btw) First you need to figure out how many books she read in one day.

6/5 = 1.2
Then multiply this number by 10

1.2 * 10 = 12
then multiply 1.2 * 20

1.2 * 20 =24

So Mr Barker can read 12 books in 10 days, and 24 books in 20 days.


6. change the mixed numbers to improper fractions

7/4 cups of cereal and 9/2 bowls of cereal

multiply the fractions together

7/4 * 9/2 = 63/8

change back to a mixed number

7 and 7/8

So Mr. N eats 7 and 7/8 cups of cereal every week (who measures out their cereal each morning anyway :), hope this helps!)
5 0
3 years ago
How can I set each side equal to each other?
jekas [21]
RTP: [a tan(u) + b]² + [b tan(u) - a]² = (a² + b²) sec²(u)

Proving LHS = RHS:

LHS = [a tan(u) + b]² + [b tan(u) - a]²

= a² tan²(u) + 2ab tan(u) + b² + b² tan²(u) - 2ab tan(u) + a²
= (a² + b²) tan²(u) + (a² + b²)
= (a² + b²)[tan²(u) + 1]
= (a² + b²) sec²(u), using the identity: tan²(x) + 1 = sec²(x)
= RHS

7 0
3 years ago
X^2-5x=-4 . I need to find the zeroes
GrogVix [38]
The zeros of a quadratic equation are equal to the x-intercepts of its graph. In other words, you must find the x-value that causes the expression to equal zero. Start by adding 4 to both sides of the equation:

X² - 5x + 4 = 0

Factor the equation:

(x - 1)(x - 4) = 0

Now calculate each piece separately, starting with the first one:

x - 1 = 0

Add 1 to both sides of the equation:

x = 1

We have proven that x = 1. Now calculate the second piece:

x - 4 = 0

Add 4 to both sides of the equation:

x = 4

We have proven that x = 4. Consequently, we have proven that (x = 1) and (x = 4) are the two zeros of this quadratic equation.

I hope this helps!
4 0
4 years ago
What is the measurement of ULE?
Tamiku [17]

Answer:

  ∠ULE = 60°

Step-by-step explanation:

The exterior angle marked 109° is the sum of the remote interior angles marked 49° and x.

  109° = 49° + ∠ULE

  ∠ULE = 109° -49°

  ∠ULE = 60°

5 0
3 years ago
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