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3 years ago

Tell me the answer pls need help

Mathematics

2 answers:

Volgvan3 years ago

8 0

Answer:

Step-by-step explanation:

find:

Coordinates of intersection of lines

As per the graph the intersection point has coordinates:

x = - 1, y = - 4

The point is (-1, -4)

Alika [10]3 years ago

5 0

Answer:

(-1,-4)

Step-by-step explanation:

The point (-1,-4) is where both lines intersect.

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The 95% confidence interval for a population mean (context unknown and irrelevant) turns out to be (428, 510). What is E?

Elina [12.6K]

The 95% confidence interval for a population mean has a margin of error (E) of 41

The confidence interval for a population mean is given by:

Confidence interval = μ ± E = (μ - E, μ + E)

Where μ is the mean and E is the margin of error.

Since the confidence interval is (428, 510), hence:

μ - E = 428 (1)

μ + E = 510 (2)

Subtracting equation 1 from equation 2:

2E = 82

E = 41

μ - E = 428

μ -41 = 428

μ = 469

Hence the margin of error (E) is 41

Find out more at: brainly.com/question/10501147

6 0

3 years ago

What is the greatest common factor of the polynomial's terms?

Alinara [238K]

Step-by-step explanation:

Write the prime factorization of each term:

9r⁵s = 3² × r⁵ × s

6r⁴s² = 2 × 3 × r⁴ × s²

12r²s = 2² × 3 × r² × s

The greatest common factor will have all the common factors raised to their lowest exponent.

So all three terms have 3, r, and s as factors. The lowest exponent of 3 is 1. The lowest exponent of r is 2. The lowest exponent of s is 1.

GCF = 3 × r² × s

GCF = 3r²s

Factor out the GCF:

9r⁵s + 6r⁴s² − 12r²s

3r²s (3r³ + 2r²s − 4)

4 0

3 years ago

Find the value of x.<br><br> A.<br> 30<br> B.<br> 33.3<br> C.<br> 75<br> D.<br> 83.3

Anna35 [415]

60/(60+40) = x/50

60/100 = x/50

using cross products

60*50 = 100x

3000=100x

divide by 100

x =30

Choice A

8 0

3 years ago

Read 2 more answers

Help me pls . this is alegbra 1

Vanyuwa [196]

Answer:

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

1. Describe the transformations necessary to transform the graph of

lana66690 [7]

Answer:

- The function $f(x)$ must be shifted right 1 unit.

- The function $f(x)$ must be shifted up 4 units.

- The function $f(x)$ must be stretched vertically by a factor of 3.

Step-by-step explanation:

There are some transformations for a function f(x):

If $f(x)+k$ , then the function is shifted up "k" units.

If $f(x)-k$ , then the function is shifted down "k" units.

If $f(x+k)$ , then the function is shifted left "k" units.

If $f(x-k)$ , then the function is shifted right "k" units.

If $bf(x)$ and $b>1$ , then the function is stretched vertically by a factor of "b".

If $bf(x)$ and $0$ , then the function is compressed vertically by a factor of "b".

In this case we have the following parent function $f(x)$ :

$f(x)=x^2$

And the function $g(x)$ :

$g(x) = 3(x - 1)^2 + 4$

Based on the explained before, we can describe the transformations necessary to transform the graph of $f(x)$ to the graph of $g(x)$ :

- The function $f(x)$ must be shifted right 1 unit.

- The function $f(x)$ must be shifted up 4 units.

- The function $f(x)$ must be stretched vertically by a factor of 3.

6 0

3 years ago