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yulyashka [42]
3 years ago
8

Could I get some help

Mathematics
2 answers:
lubasha [3.4K]3 years ago
5 0
Can you take a better picture
marin [14]3 years ago
3 0
The answer should be a because 72/8=9-3=6

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What is 3 square roots of 2
german

Answer:

Step-by-step explanation:

±3√2.  Recall that 2 actually has two roots, one positive and the other negative.

4 0
3 years ago
**PLEASE ANSWER** 20 POINTS, Rebeka claimed the equation 3x + 4 = 10 has two solutions. Explain the error in Rebeka’s claim.
Savatey [412]

Answer:

x=2

Step-by-step explanation:

3x+4=10

subtract four on both sides, you will get 3x=6, divide by three on both sides, x=2

7 0
3 years ago
If y is proportional to the sqaure root of x and y equal x when x equal 5,evaluate y when x eqaul 9.​
Law Incorporation [45]

Answer:

y = 3\, \sqrt{5} when x = 9.

Step-by-step explanation:

The question states that y is proportional to \sqrt{x}. In other words, there is a constant a (a \ne 0) such that y = a\, \sqrt{x} for all x \ge 0.

The question also states that y = x when x = 5. Make use of this equality to find the value of a.

Since x = 5 and y = x, it must be true that y = 5. Substitute x = 5\! and y = 5\! into the equation y = a\, \sqrt{x} and solve for a:

5 = a\, \sqrt{5}.

\begin{aligned}a &= \frac{5}{\sqrt{5}} \\ &= \sqrt{5}\end{aligned}.

Thus, y = \sqrt{5}\, (\sqrt{x}) for all x \ge 0.

Substitute in the value x = 9 to find the corresponding value of y:

\begin{aligned} y &= \sqrt{5} \, (\sqrt{9}) \\ &= \sqrt{5} \times 3 \\ &= 3\, \sqrt{5}\end{aligned}.

6 0
2 years ago
The following can be decomposed in ????
lys-0071 [83]

Answer:

Triangle & semicircle

Step-by-step explanation:

3 0
3 years ago
At a rat of 64 kilometers per hour, how far will a car travel in 7 1/2 hours?_______
Snowcat [4.5K]

We use the formula d = s*t where d is distance, s is speed and t is time.

d = 64km*7.5

d = 480km

Therefore, a car would tracel 480 km.

5 0
3 years ago
Read 2 more answers
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