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stepan [7]
3 years ago
10

What do scientists know about the future of the universe?.

SAT
1 answer:
Black_prince [1.1K]3 years ago
7 0

The future of the Universe will be determined by the struggle between the momentum of its expansion and the pull of gravity. ... The vertical scale indicates the size of the Universe. For the next several billion years, the expansion of the Universe gradually slowed down due to the effects of gravity on matter.

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Help me please I need help
exis [7]
Since you know a = 5√2, start by plugging that into your other equation, 2a = √2x to get an equation where x is the only variable you need to solve for:
2a =  \sqrt{2x} \\
2(5 \sqrt{2} ) =  \sqrt{2x}\\
10 \sqrt{2} = \sqrt{2x}

There are two ways of solving for x:
1) Remember when you simplify radicals, you break what's underneath the radical into smaller factors. If a factor repeats under the square root, you can take two of them out and put one of them outside the radical sign (see picture for example). For this problem, you would be doing the reverse of simplifying. You have a 10 on the outside on the left of the equal sign, but a 2 underneath on both sides. If the 10 was taken out, that means there had to be two 10's underneath the radical to begin with. Those two tens would have been multiplied since they are factors, so 10 x 10 = 100. That means x = 100. 

2) Solve it algebraically. Square both sides, simplify, then divide by 2:
10 \sqrt{2} = \sqrt{2x}\\
(10 \sqrt{2})^{2} = ( \sqrt{2x})^{2}\\
100*2 = 2x\\
200 = 2x\\
x = 100\\

Answer: x = 100

3 0
3 years ago
The cost, c, of a ham sandwich at a deli varies directly with the number of sandwiches, n. If c = $54 when n is 9, what is the c
77julia77 [94]
C=18
if c=54 when n=9, and you need to know c when n is 3, just divide 54 by 3 as well! hope this helped
5 0
3 years ago
Arrange the missing steps in the correct order. the hypothesis is true. analyze the data. construct a hypothesis. the hypothesis
Fofino [41]

During a research work, an effective and efficient way to follow the scientific method includes:

Make observations.

Ask questions.

Construct a hypothesis.

Test the hypothesis with an investigation.

Analyze the data.

Explain the result.

Communicate the result.

The scientific method is the variety of techniques that scientists use to observe, examine, investigate, and study the natural world and explain it based on evidence, theories, evidence, hypotheses, or factual information that scientists derive from their research work.

It can be defined as the scientific method usually involves combining traditional scientific processes with critical thinking, scientific knowledge, and reasoning to generate new ideas. Please note that if your hypothes is true, it should be shared with the community. However, if your hypothesis is wrong, you should build another hypothesis and repeat the process.

Know more about scientific method here

brainly.com/question/7508826

#SPJ4

5 0
2 years ago
Read 2 more answers
Why do you think the United States government was formed as a republic, rather than as a direct democracy?
Fynjy0 [20]

Answer:

The United States is not a direct democracy, in the sense of a country in which laws (and other government decisions) are made predominantly by majority vote.

Explanation:

Some lawmaking is done this way, on the state and local levels, but it’s only a tiny fraction of all lawmaking. But we are a representative democracy, which is a form of democracy.

The United States is also a constitutional democracy, in which courts restrain in some measure the democratic will. And the United States is therefore also a constitutional republic.

3 0
2 years ago
Read 2 more answers
I need help with this please
Lesechka [4]

Q1- Urgent / Important

Q2- Writing a paper that is due in 3 hours

(others can wait as no serious consequences but you could fail n get bad mark if you don't complete the paper. It's a deadline issue.)
3 0
3 years ago
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