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2 years ago

HELP MEEEEE PLEASEEEEE SOMEONE!!

Mathematics

1 answer:

dedylja [7]2 years ago

5 0

Answer:

Step-by-step explanation:

the triangles share one angle and they have two equal sides

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2. f(x)=4x+1 and g(x)=x2−4x−5, find (g◦f)(4).

Goryan [66]

Answer:

(g · f)(4) = 45

Step-by-step explanation:

f(x)=4x+1

g(x)=x² - 4x- 5

(g · f)(x) = 4(x² - 5) + 1

(g · f)(4) = 4(4² - 5) + 1

Following pemdas

(g · f)(4) = 4(16 - 5) + 1

(g · f)(4) = 4(11) + 1

(g · f)(4) = 44 + 1

(g · f)(4) = 45

8 0

1 year ago

Which is it? , 30 points

goldenfox [79]

Answer:

It's choice B.

Step-by-step explanation:

Let's look the one you have chosen (A):

f(x) = x - 2/ 7 + 8

x-2 / 7 = f(x) - 8

x- 2 = 7(f(x) - 8)

x = 7(f(x) - 8) + 2

The inverse)= 7(x - 8) + 2

So it's not A.

B. f(x) = 5(x/4) - 3

5x / 4 = f(x) + 3

5x = 4(f(x) + 3)

x = 4(f(x) + 3 / 5

So the inverse is 4(x + 3) / 5

So it is B.

5 0

3 years ago

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The exam scores of all 500 students were recorded and it was determined that these scores were normally distributed. If Jane's s

Masja [62]

One hundred en six :)))

3 0

3 years ago

Amanda used 24 grams of paint to paint a wooden cube. When it dried, she cut the cube into 8 equal cubes. How many more grams of

kari74 [83]

Answer:

<h2>Amanda needs 72 grams of paint</h2>

Step-by-step explanation:

Notice that she already painted one face of each cube, that is, 8 faces in total, and she used 24 grams for that.

Now, there remain 3 faces per cube to be painted, which means there are 24 faces.

Then, we use the rule of three, if she used 24 grams of paint for 8 faces, how much grams of paint she would need to paint 24 faces?

$24 \times \frac{24}{8}= 72 \ grams$

Therefore, Amanda needs 72 grams of paint for the unpainted surfaces.

7 0

2 years ago

Determine the relationship between the two triangles and whether or not they can be proven to be congruent.

g100num [7]

Answer:

They are congruent by HL

Step-by-step explanation:

7 0

2 years ago

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