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lubasha [3.4K]
3 years ago
5

To eliminate the x-terms and solve for y in the fewest steps, by which constants should the equations be multiplied

Mathematics
1 answer:
vitfil [10]3 years ago
5 0

Answer: I believe this is the answer.

6x-5y=17\\7x+3y=11

----------------------------

7 and -6

or

-7 and 6

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A study claims that the mean age of online dating service users is 40 years. Some researchers think this is not accurate and wan
Mademuasel [1]

Answer: H_0:\mu=40

H_0:\neq40

Step-by-step explanation:

  • A null hypothesis is a hypothesis where a researcher generally try to disprove, it says that there is no statistically significant relationship between the two variables .
  • An alternative hypothesis says that there is a statistical significance  between two variables.

Claim 1. : Mean age of online dating service users is 40 years.

i.e. \mu=40, since it has equals sign so we take this as null hypothesis.

Claim 2. : Mean age of online dating service users is not 40 years.

\mu\neq40

⇒ Null Hypothesis : H_0:\mu=40

Alternative hypothesis : H_0:\neq40

5 0
3 years ago
A block of cheese is in the shape of a rectangular prism. The block of cheese and its dimensions are shown below.
sashaice [31]

Answer:

96 square inches.

Step-by-step explanation:

The formula to finding volume of cube/rectangular shaped objects is:

length x width x height

length = 8

height = 4

width = 3

8 x 4 x 3 = 96

96 square inches

7 0
3 years ago
Read 2 more answers
Please solve with explanation (high points)
IgorLugansk [536]

So, we know that:

A=\dfrac{1}{2}ab\\P=a+b+c\\a^2+b^2=c^2

We also know that (a+b)^2=a^2+2ab+b^2. We will use that fact to find c in terms of A and P.

A=\dfrac{1}{2}ab\Rightarrow 2ab=4A\\P=a+b+c\Rightarrow a+b=P-c

Therefore:

(P-c)^2=c^2+4A\\P^2-2cP+c^2=c^2+4a\\2cP=P^2-4A\\c=\dfrac{P^2-4A}{2P}

7 0
2 years ago
A cheetah run 70 miles per hour what is the speed for feet per hour
pochemuha

Answer:

The correct answer to this question is that the cheetah can run 369,000 feet per hour. We can work this out in the following way:

One mile equals 1760 yards

In feet that is 3 x 1760 or 5,280

So Feet per hour will be 5280 x 70 or

369,600 feet per hour.

Read more on Brainly.com - brainly.com/question/134707#readmore

Step-by-step explanation:

5 0
3 years ago
Candace said I'm thinking of a fraction. If I divide it by 1/2,I get 3/11.what fraction was Candace thinking of??
Pavlova-9 [17]
Multiply back by 1/2, to get 3/22.
6 0
3 years ago
Read 2 more answers
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