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Olegator [25]
3 years ago
7

I need some help! Will give brainliest!!!

Mathematics
1 answer:
frosja888 [35]3 years ago
4 0

Answer:

Positive 7 on the line pointing up (y axis) is where you start (where your first dot goes when graphing). Then down two and right one. (Your second dot will end up on (5,1))

Step-by-step explanation:

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Help me solve it please
snow_tiger [21]

Answer:

\fbox{\begin{minipage}{5.8 em}x =5.97 cm\end{minipage}}

Step-by-step explanation:

(1) As definition, the area (A) of a circle is calculated by:

A = \pi x r^{2} with r is radius of circle.

(2) The relation between radius (r) and diameter (d_{1}) of a circle is:

d_{1} = 2 x r

(3) Applying the Pythagorean theorem for a square with sides of length x,

the relation between side x and diagonal d_{2} is:

x^{2} +x^{2}  = d^{2} \\or\\2x^{2} = d^{2}

=> The diagonal (d_{2}) of that square is calculated by:

d_{2} = x\sqrt{2}

(4) The square fits exactly inside a circle, with each of its vertices being on the circumference of the circle.

Applying the theorem of inscribed angle in a circle, the measure of arc BD is twice as the measure of inscribed angle BAD.

In other words, the measure of arc AC = 2 x 90 = 180 deg, or half of circle.

It means that the diagonal BD is coincide with a diameter of circle.

=> d_{1} = d_{2}

or 2 x r = x\sqrt{2}

or r = x\frac{\sqrt{2} }{2}

Substitute r back into original formula used for calculating the area of circle:

=> A = \pi x (x\frac{\sqrt{2}}{2})^{2} = \pi x \frac{x^{2}}{2}

=> x^{2}  = A x \frac{2}{\pi }

=> x = \sqrt{A} x \sqrt{\frac{2}{\pi } } = \sqrt{56} x \sqrt{\frac{2}{\pi } } = 5.97 cm

Hope this helps!

:)

4 0
3 years ago
The middle 5 in 0.555 is 1/10 the value of the 5 to its _____
Molodets [167]
Right. The first 5 is in the tenths place, the second five is in the hundredths, and the third one is in the thousandths. I'd like to think that if you take away (divide 1000 by ten) a tenth from the thousandths, that would leave you with the 5 in the middle being one tenth the value of the five to its right. (I'm not sure if this is correct or not, i'm just making an assumption). I would check with someone to make sure
7 0
3 years ago
Read 2 more answers
30 points please help
antiseptic1488 [7]

Answer:

With the formula of lwh/3 the answer is 305.37

Step-by-step explanation:

l×w×h /3 =305.37

5 0
3 years ago
Read 2 more answers
Malik stops at the grocery store to buy a bag of diapers and 2 cans of formula. He spends a total of $37. The next week he stops
Sedbober [7]

Answer:

Diapers costs $11 and formula is $13.

Step-by-step explanation:

Let's name diapers as A and formula as B.

Simply the equations:

1A + 2B = $37(1)

2A + 5B = $87(2)

Clear D from one equation.

A = $37 - 2B(1)

Replace D into the other equation.

2*($37 - 2B) + 5B = $87(2)

$74 - 4B + 5B = $87

$74 + B = $87

B = $87 - $74 = $13

Find A, now knowing B.

A = $37 - 2($13)

A = $37 - $26 = $11

8 0
3 years ago
Read 2 more answers
Prove: If C⊂A and D⊂B then D−A⊂B−C
nalin [4]
Let x\in D\setminus A, so that x\in D but x\not\in A. Since D\subset B, it follows that x\in B, and since C\subset A, it follows that x\not\in C, which means x\in B\setminus C.
3 0
3 years ago
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