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natali 33 [55]
3 years ago
15

Please help me please ASAP ASAP

Mathematics
1 answer:
Anna007 [38]3 years ago
5 0

Answer:

my answer for 32 is definitely D

my answer for 33 is definitely C

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I'm having trouble solving this I don't know the steps
Andreas93 [3]

Answer:

x=4

Step-by-step explanation:

21x+6+90=180

First, we need to subtract the numbers.

21x=180-90-6

21x=84

Now, we need to find the value for 1x, so divide the whole equation by 21

84/21

21/21

x=4

Hope this helps!

8 0
3 years ago
Find the lateral area and the surface area of the right cone. Round your nearest answers to the nearest hundredth
S_A_V [24]

Step-by-step explanation:

Given that,

The height of the cone, h = 24 cm

The radius of the cone, r = 10 cm

The slant height of the cone is :

l=\sqrt{h^2+r^2} \\\\l=\sqrt{24^2+10^2} \\\\l=26\ cm

The lateral area of the cone is given by :

A=\pi rl\\\\=3.14\times 10\times 26\\\\=816.4\ cm^2\approx 816\ cm^2

The surface area of the cone is given by :

A=2\pi rh\\\\=2\times 3.14\times 10\times 24\\\\=1507.2 \approx 1507\ cm^2

5 0
3 years ago
Solve the proportion. 18/x = 4/16
Over [174]

Answer:

16*18/4=72

x=72

Step-by-step explanation:

7 0
3 years ago
Graph a sine function whose amplitude is 4, period is π , midline is y=−3, and y-intercept is (0, −3). The graph is not a reflec
kupik [55]

Answer:

y=4sin(2x) - 3

Step-by-step explanation:

Recall the form of a sinusoidal function is Asin(Bx + C) + D, where A is the amplitude, B is the frequency (could also be viewed as the period), C is the horizontal (phase) shift, and D is the vertical shift. Also, recall sin(x) has a period of 2π.

You start with the parent function (sin(x)).

Then, knowing the amplitude is 4: 4sin(Bx + C) + D

Then, knowing the period of the regular sine function is 2π, to get to a period of π, divide by 2 (the period of the curve changes by a factor of 1/2), so your B coefficient is 2: 4sin(2x + C) + D

There is no phase shift, so omit C: 4sin(2x) + D

Since the midline is y = -3, that is your vertical shift (D): 4sin(2x) - 3

Graph of y = 4sin(2x) - 3 is below:

3 0
3 years ago
A 9-foot piece of wood is cut into shelves. If each is 3/7 foot in length, how many shelves are there?
Aloiza [94]

Hello!

To find how much shelves we cut, we need to divide 9 feet by 3/7 feet. When dividing by fractions, it is like multiplying its reciprocal.

This means that the reciprocal of 3/7 is 7/3.

9 / \frac{3}{7} = \frac{9}{1} * \frac{7}{3} = \frac{63}{3} = 21

Therefore, if each shelf is 3/7 feet in length, then there are 21 shelves.

6 0
3 years ago
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