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Savatey [412]
3 years ago
11

How do i do this? very confused

Mathematics
2 answers:
Soloha48 [4]3 years ago
5 0

Step-by-step explanation:

5x+8=9x+12 ( Both sides are equal)

4x=-4

x=-4/4

x=-1

dusya [7]3 years ago
3 0

Answer:

x=-1

Step-by-step explanation:

since XY is a straight line, XM = MY

so, 5x+8=9x+12

4x=-4

x=-1

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Consider formula a to be v = startfraction 2 pi r over t endfraction and formula b to be v2 = gv = g startfraction m subscript c
mars1129 [50]

The tangential speed of the satellite above the Earth's surface is 7.588 * 10^{3} m/s.

<h3>What is Tangential speed?</h3>
  • Tangential speed is the linear component of speed along any point on a circle that is involved in a circular motion.
  • The object or circle moves with a constant linear speed at any point along the circle.
  • This is known as the tangential speed.
  • v=wr\\v=\frac{2\pi r}{T}

The tangential speed of a satellite at the given radius and time is calculated as follows:

v=\frac{2\pi *(150*10^{3}+6371*10^{3} }{90*60} \\v=7.588*10^{3} m/s

Therefore, the tangential speed of the satellite above the Earth's surface is 7.588 * 10^{3} m/s.

Know more about Tangential speed here:

brainly.com/question/4387692

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The correct question is shown below:
Consider formula A to be v = and formula B to be v2 = G. Write the letter of the appropriate formula to use in each scenario. Determine the tangential speed of the moon given the mass of Earth and the distance from Earth to the moon. Determine the tangential speed of a satellite that takes 90 minutes to complete an orbit 150 km above Earth’s surface.

4 0
2 years ago
Reduce 4/36 to simplest terms
Alona [7]

Answer: its 1/9

All you do is divide them by 4

4 divided by 4=1

36 divided by 4=9

Also can I get brainly thing?

5 0
3 years ago
Read 2 more answers
If the null hypothesis of an experiment is “The true mean weight of the geese is greater than 40 pounds” what is the alternate h
Naddika [18.5K]

Answer:

<em>The true average weight of geese is less than or equal to 40 pounds</em>

Step-by-step explanation:

The null hypothesis and the alternative hypothesis are two mutually exclusive statements or hypotheses that are made about a population. The purpose is to find out if, through a study of the data, sufficient evidence is obtained to reject one and accept another

The null hypothesis is denoted as H_0 and the alternative hypothesis as H_1

As they are two mutually exclusive statements then if

H_0: <em>"The true average weight of the geese is greater than 40 pounds"</em>

the alternative hypothesis must be the opposite of the null hypothesis

H_1: <em>"The true average weight of geese is less than or equal to 40 pounds"</em>

4 0
3 years ago
A survey of 394 children given at a local elementary school showed that 150 like chocolate ice cream 175 like pistachio ice crea
Airida [17]

Answer:

e) 294 children

Step-by-step explanation:

Since there are 394 children in total and 169 do not like either ice-cream, the number of children who likes at least 1 ice cream is

394 - 169 = 225 children

Out of 225 children, 150 like pistachio icecream, some of them may like both. Therefore the number of children who likes ONLY chocolate icecream is

225 - 150 = 75 children

Similarly, out of 225 children, 175 like chocolate icecream, some of them may like both. Therefore the number of children who likes ONLY pitaschio icecream is

225 - 175 = 50 children

So the total number of children who like at most only 1 kind of ice cream is

75 + 50 + 169 = 294 children

3 0
4 years ago
On a coordinate plane, solid circles appear at the following points: (negative 5, negative 3), (negative 4, negative 4), (negati
7nadin3 [17]

Answer:

(1 , 3) B.)

Step-by-step explanation:

8 0
3 years ago
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