1 year ago

Send help lol confused

Mathematics

1 answer:

hram777 [196]1 year ago

4 0

Answer:

C. 0≤x≤7

Step-by-step explanation:

It is not choice D. because it has y instead of x. It is supposed to be x because it is asking for domain.

Hope this helps!

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Please help me with this!!!

guajiro [1.7K]

Answer: 41

Step-by-step explanation:

9*(-2)*(-2) - 4*(-2) - 3 = 9*4 + 8 - 3 = 36 + 5 = 41

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3 years ago

please help I am so stuck on this! 100 points and brainiest the choices for each question are in the second attachment

77julia77 [94]

Answer:

Step-by-step explanation:

(A) Definition of Supplementary angles

(B) Distributive property

(D) Reflexcive property

(E) Division property of equality

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2 years ago

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Find the LCD (least common denominator) of the pair of fractions. Do not combine the fractions; only find the LCD.

Alla [95]

12

4x3=12 and 6x2=12

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2 years ago

Find the volume of the solid of revolution formed by rotating about the x--axis the region bounded by the given curves.

kherson [118]

Answer:

$=\frac{364\pi}{3}$ cubic units

Step-by-step explanation:

We are to find the volume of the solid of revolution formed by rotating about the x--axis the region bounded by the given curves.

f(x)=2x+1, y=0, x=0, x=4.

The picture is given as shaded region.

This is rotated about x axis

Limits for x are already given as 0 and 4

f(x) is a straight line

The solid formed would be a cone

Volume = $\pi \int\limits^a_b {(2x+1)^2} \, dx \\= \pi \int\limits^4_0 {(4x^2+4x+1)} \, dx \\=\pi [\frac{4x^3}{3} +2x^2+x]^5_0\\\\=\pi[\frac{4*4^3}{3}+2*4^2+4-0]\\=\frac{364\pi}{3}$

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2 years ago

The cost of 19/4 m of wire Is Rs.171/2 .The cost of one meter of the wire is ________.

Pavel [41]

Answer:

.The cost of one meter of the wire is _<em><u>Rs18</u></em>_______.

Step-by-step explanation:

the cost of 19/4 m of wire = Rs.171/2

the cost of 1m of wire = Rs.171/2×4/19=Rs18

5 0

3 years ago