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vazorg [7]
4 years ago
12

Need help on this math question

Mathematics
1 answer:
ycow [4]4 years ago
6 0
16y² - x² = 4²y² - x² = (4y)² - x² = (4y-x)(4y+x)  ← dfference of squeares
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Helppp i’ll give brainlest
Andrews [41]

Answer:

16square ft

Step-by-step explanation:

2x2+2x3x1/2x4=16 square ft

Area of base: 2x2

Area of one side of the triangular prism: 1/2xbasexheight=1/2 x2x3

7 0
3 years ago
The school store sells 18 folders for $4.50. Select the three unit rates that describe this sale. $0.25 per folder , 4 folders p
max2010maxim [7]

Answer:

All of your choices are correct.

Step-by-step explanation:

4.50 ÷ 18 = .25 each

.25 x 4 = 1.00

.25 x 36 = 9.00

12 x .25 = 3.00

5 0
3 years ago
At a drive through restaurant Juan’s family ordered a small drink and m medium drinks. Alex’s family ordered m medium drinks and
sertanlavr [38]

<u>Answer: </u>

Expression x + 2my + z represents cost of order where x, y, z are cost of small , medium and large drinks (in dollars) respectively.

<u>Solution: </u>

Given that  

Juan’s family ordered a small drink and m medium drinks.

Alex family ordered m medium drinks and a large drink.

Need to write an algebraic expression which shows total cost of both order in dollars.

Let’s assume cost of one small drink = x

And assume cost of one medium drink = y

And assume cost of one large drink = z

So now cost of order of Juan’s family is equal to cost of 1 small drink + cost of m medium drinks = 1 \times x + m \times y

= x + my

And cost of order of Alex family is equal to cost of m medium drinks + cost of one large drink

= m x y + 1 x z

=my + z

So total cost of both order in dollars = x + my + my + z = x + 2my + z

Hence expression x + 2my + z represents cost of order where x , y , z are cost of small , medium and large drinks (in dollars) respectively.  

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3 years ago
Tion of your knowledge on the nature of roots:
MAXImum [283]

Answer:

The roots are not real.

Step-by-step explanation:

To prove : The roots of  I/2 +9 (1-k) are real for all real values of k ?Solution :

The roots are real when discriminant is greater than equal to zero.

i.e b2-4ac>0 But the roots are imaginary therefore the roots of the given equation are not real for any value of k.If x²+kx+k=0, find the value of k, If the roots are real & equal.​

3 0
3 years ago
Can the sides of a triangle have lengths of 17,31 and 48
gayaneshka [121]

17 + 31 equals 48

The Triangle Inequality Theorem states that the sum of any 2 sides of a triangle must be greater than the measure of the third side.

Your answer is no

6 0
4 years ago
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