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Papessa [141]
2 years ago
12

Help me please is for HW, I have to turned it in tmr...

Mathematics
2 answers:
Leno4ka [110]2 years ago
8 0
Question 4 a Minus 3a ans -2a
Pavlova-9 [17]2 years ago
7 0

Answer:

Step-by-step explanation:

I can solve 4 for you.
a - 3a
1a - 3a
= 2a

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Consider the quadratic function f(x) = x2 – 8x – 4. What is the value of the leading coefficient?
Tatiana [17]
D
there is always a 1 infront of a variable but since x2 has the largest degree it gives it priority over the others so what ever numbe in front of it is the leading coefficient
5 0
3 years ago
AC=4, AE=7, AD=10, what is the length of AB? <br> A: 1 3/7 <br> B: 2 1/2<br> C: 5 5/7<br> D: 17 1/2
11Alexandr11 [23.1K]

Answer:

C. AB = 5\frac{5}{7}

Step-by-step explanation:

When two polygons are considered similar, the ratio of their corresponding sides would also be equal.

Since ∆ABC and ∆ADE are similar, \frac{AE}{AC} = \frac{AD}{AB}

\frac{7}{4} = \frac{10}{AB}

Cross multiply

7*AB = 10*4

7*AB = 40

Divide both sides by 7 to find AB

\frac{7*AB}{7} = \frac{40}{7}

AB = \frac{40}{7}

AB = 5\frac{5}{7}

6 0
3 years ago
What is the equation of the sinusoid shown in the graph?
ololo11 [35]

Answer:

<em>Answer: C</em>

Step-by-step explanation:

<u>The Cosine Function</u>

The graph of a cosine function is a sinusoid that starts at its maximum value of 1 at x=0 and takes x=2π radians to complete a full cycle. The function of the parent cosine function is:

y=\cos x

Both the amplitude A and the angular frequency w of a cosine can be modeled by the function

y=A\cos(\omega x)

The graph of the cosine function shown in the figure has an amplitude of A=3 and it completes a full cycle at x=π/2, thus:

\frac{\pi}{2}\omega =2\pi

Thus:

\omega = 4

Therefore, the equation of the sinusoid is:

y=3\cos (4x)

Answer: C

3 0
3 years ago
Read 2 more answers
there is 1/4 of a pan of brownies on the kitchen counter. you and your friend want to split it evenly do you each take 1/2 of wh
Ber [7]

Answer:

1/4 of the pan of brownies

4 0
2 years ago
A right rectangular prism is packed with cubes of side length 1/6 inch. If the prism is packed with 12 cubes along the length, 3
Ede4ka [16]

Answer:

a

Step-by-step explanation:

2*1/6 is 2/6, which is 1/3

3 0
3 years ago
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