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3 years ago

Solve the inequalities, if possible, and graph. 4(4t + 2) < 2(4t + 4).

Mathematics

1 answer:

vaieri [72.5K]3 years ago

5 0

Will be

16t +8 < 8t +8
8t < 0

t < 0

so this is very easy to graph it

hope this will help you

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enrique says that to round a decimal to the nearest integer, you can just ignore the decimal part. Is enrique correct? Explain

Delvig [45]

Answer:

Step-by-step explanation:

No, the decimal part is important.

For example, 1.4≈1, but 1.5≈2

Therefore, Enrique is wrong.

4 0

2 years ago

Police records in the town of Saratoga show that 17 percent of the drivers stopped for speeding have invalid licenses. If 24 dri

Ymorist [56]

Answer:

Step-by-step explanation:

Given

17 % of the drivers stopped have invalid licenses

n=24 drivers are stopped

using Binomial distribution

$^nC_r(p)^r(q)^{n-r}$

here p=0.17

q=1-0.17=0.83

(a)none will have valid license i.e. r=0

$P(r=0)^{24}C_0(0.17)^0(0.83)^{24}=(0.83)^{24}=0.0114$

(b)Exactly one have invalid license i.e. r=1

$P(r=1)=^{24}C_1(0.17)^1(0.83)^{23}=24\times 0.17\times (0.83)^{23}$

$=0.0561$

(c)At least 2 will have invalid license i.e. $r\geq 2$

$P(r\geq 2)=1-P(r=0)-P(r=1)$

$P(r\geq 2)=1-0.0114-0.0561$

$P(r\geq 2)=0.932$

3 0

2 years ago

A climber starts descending from 506 feet above sea level and keeps going until she reaches 70 feet below sea level. How many fe

Marysya12 [62]

Answer:

she descended 436 feet

Step-by-step explanation:pls mark brainliest i really want to move up a ranking

7 0

2 years ago

Read 2 more answers

What is the x-coordinate of the vertex of the parabola whose equation is y = 3x^2 + 12x + 5?

ahrayia [7]

Well it will be a simple as grid algebra
3(2+12)+12x5

4 0

2 years ago

Read 2 more answers

The polynomial of degree 3, P(x), has a root of multiplicity 2 at x = 3 and a root of multiplicity 1 at x = -2. The y-intercept

Maru [420]

Answer:

$p(x) = - 0.7(x - 3)^{2} (x + 2)$

Step-by-step explanation:

We have that the polynomial, has a root of multiplicity 2 at x = 3 and a root of multiplicity 1 at x = -2.

This means the factored form of the polynomial will be.

$p(x) = a(x - 3)^{2} (x + 2)$

Also, it was given that, the y-intercept is y=-12.6.

This implies that:

$- 12.6= a(0 - 3)^{2} (0 + 2)$

$- 12.6= a(- 3)^{2} (2)$

$- 12.6= 18a$

Divide both sides by 18;

$a = \frac{ - 12.6}{18}$

$a= - 0.7$

Therefore the polynomial is

$p(x) = - 0.7(x - 3)^{2} (x + 2)$

7 0

3 years ago