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3 years ago

Is it true that an irrational and a rational number is always a rational number

Mathematics

1 answer:

Vika [28.1K]3 years ago

6 0

Answer:

Step-by-step explanation:

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Factor the quadratic equation of y= 4x^2 + 16x -48

vodka [1.7K]

Answer:

y = 4(x+6)(x-2)

Step-by-step explanation:

y = 4x² + 16x - 48, factor out the 4

y = 4(x² + 4x - 12), find factors of 12

Factors of 12:

1*12, 2*6, 3*4; find a pair that sums to 4x or 4

6-2 = 4, since 12 is a negative number, a number in the factor must be negative, in this case, making 2 negative, would make 6-2 = 4

y = 4(x+6)(x-2)

8 0

2 years ago

Homework: Algebra Re<br> Find the slope and the y-intercept<br> 6x-7y=15

umka21 [38]

Answer:

the slope is 6/7 the y-intercept is (0, - $\frac{15}{7}$ )

Step-by-step explanation:

I'm not 100% sure sorry lol.

3 0

3 years ago

Read 2 more answers

Alice and her sister picked 57 and 23 roses respectively. How many roses should Alice give to her sister to have the same number

tino4ka555 [31]

If you add up 57+23=80 40+40=80 so 40 is the answer they will have the same amount Alice gets 40 and her sister gets 40

5 0

3 years ago

PLS HELP WITH THIS ANSWER!!! AND ASAP PLS DONT ANSWER WRONG!!

VMariaS [17]

I got you- The answer is (B. 4) hope this helps, if you need me to explain ask in the comments. Have a good day/night:)

5 0

3 years ago

Kimberly is ordering bath towels and washcloths for the inn where she works. The total cost of the order is T=6b+2w, where T is

Arturiano [62]

Given:

The total cost of the order is

$T=6b+2w$

where, T is the total cost, b is the number of bath towels, and w is the number of wash cloths.

Her budget is $85.

To find:

The constraints, so that she can order a maximum of washcloths or bath towels.

Solution:

We have,

$T=6b+2w$

Her budget is $85. So, total cost is less than or equal to 85.

$6b+2w\leq 85$ ...(i)

For maximum number of bath towels, the number of wash cloths is 0.

$6b+2(0)\leq 85$

$6b\leq 85$

Divide both sides by 6.

$b\leq \dfrac{85}{6}$

$b\leq 14.167$

For maximum number of wash cloths, the number of bath towels is 0.

$6(0)+2w\leq 85$

$2w\leq 85$

Divide both sides by 2.

$w\leq \dfrac{85}{2}$

$w\leq 42.5$

Therefore, the required constraints for maximum of washcloths or bath towels are $w\leq 42.5$ and $b\leq 14.167$ respectively.

3 0

4 years ago