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2 years ago

Another easy one, 30 points + Brainliest

Mathematics

2 answers:

Andrew [12]2 years ago

7 0

<u>1.03*10^{6}>9.8*10^{5</u>

Answer:

4.01*10³<5*10^(-5)false

3.9*10^5<8.06*10^{-7}false

1.03*10^{6}>9.8*10^{5}true

7.8*10^{2}>2.1*10^{3}false

drek231 [11]2 years ago

3 0

Answer:

1.03 * 10 ^6 > 9.8 * 10 ^5

Step-by-step explanation:

Positive exponents on powers of 10 are larger than negative exponents on powers of 10

The larger the power the greater the number

4.10 * 10 ^3 > 5 * 10 ^-5

3.9 * 10 ^5 > 8.06 * 10 ^-7

1.03 * 10 ^6 > 9.8 * 10 ^5

7.8 * 10 ^2 < 2.1 * 10 ^3

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Otis has $6.72, and he wants to buy some pencils that cost $1.12 each. How many pencils can he buy?

eduard

Answer:

Otis can buy 6 pencils...

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2 years ago

-y-x=0<br> Write in y=Mx+b

Ymorist [56]

Answer:

y = (-1)x

Step-by-step explanation:

What you are to do here is to "rewrite -y - x = 0 in the slope-intercept form y = mx + b."

Start by solving -y - x = 0 for y: -y = x or y = -x.

Rewrite this by inserting the coefficient 1 and representing b by 0:

y = (-1)x + 0

which is equivalent to y = (-1)x

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2 years ago

Whats the coefficient <br>x - 7y + 8

s2008m [1.1K]

Answer:

-7

Step-by-step explanation:

-7 is the number that is attached to the y. It is the coefficient. Another possible coefficient is 1, but you do not need to write it, as anything multiplied by 1 is equal to the original number.

Hope this was helpful! Let me know if you have any further questions. :)

4 0

3 years ago

83. Use properties of exponents to rewrite each expression with only positive, rational exponents. Then find the numerical value

alexdok [17]

Answer:

$2^{\frac{18}{11}}$

Step-by-step explanation:

The given expression is

$\sqrt[11]{y^2z^4}$

The exponent property $\sqrt[n]{x^ay^b}=x^{a/n}y^{b/n}$

Applying this exponent property, we have

$\sqrt[11]{y^2z^4}\\\\=y^{2/11}z^{4/11}$

Now, the given numeric values are x = 9, y= 8, and z= 16

On substituting these values in the simplified expression, we get

$(2)^{2/11}(16)^{4/11}$

This can be further simplified by writing $16=2^4$

$(2)^{2/11}(2^4)^{4/11}\\\\(2)^{2/11}(2)^{16/11}$

Now, applying the product rule of exponent: $x^a\cdot x^b=x^{a+b}$

$(2)^{2/11+16/11}\\\\=2^{\frac{18}{11}}$

4 0

2 years ago

Please answer this correctly

Stolb23 [73]

Answer:

502.4 square inches

Step-by-step explanation:

To find the area of the shaded region, you first need to find the area of the smaller circle with diameter 12, and then subtract that from the area of the larger circle. Since the diameter of a circle is twice the radius, the radius of the smaller circle is 6, and its area is therefore:

$\pi \cdot 6^2 = 3.14\cdot 36=113.04$

The area of the larger circle, which has radius 6+8=14, is:

$\pi \cdot 14^2= 3.14 \cdot 196=615.44$

Subtracting the area of the smaller circle from his, you get an area of 502.4 square inches for the shaded area. Hope this helps!

7 0

3 years ago

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