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Pie
2 years ago
14

A brand of cereal had 1.21.21, point, 2 milligrams (\text{mg})(mg)left parenthesis, start text, m, g, end text, right parenthesi

s of iron per serving. Then they changed their recipe so they had 1.8\,\text{mg}1.8mg1, point, 8, start text, m, g, end text of iron per serving
Mathematics
1 answer:
Natasha_Volkova [10]2 years ago
8 0

Answer:

50\%

Step-by-step explanation:

Previous Iron content per serving=1.2 mg

Current Iron content per serving=1.8 mg

Increase in Iron content per serving=1.8-1.2=0.6 mg

Percentage of Iron Increase

=\dfrac{\text{Increase in Iron Content}}{\text{Previous Iron Content}} X 100\\=\dfrac{0.6}{1.2}X100 \\=50\%

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A store sells T-shirts for $10 each and jeans for $20 a pair. Anna spends $150 on T-shirts and jeans. She buys x T-shirts and y
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The equation is 10x+20y=150 
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1 year ago
In ΔMNO, the measure of ∠O=90°, ON = 65, MO = 72, and NM = 97. What is the value of the tangent of ∠M to the nearest hundredth?
PilotLPTM [1.2K]

Answer:

Therefore the value of tangent of ∠M is 42°.

Step-by-step explanation:

Given that,

                  In ΔMNO, ∠O=90°, ON=65, MO=72, and NM=97.

and we have to find the value of tangent of ∠M.

Diagram of the given triangle is shown below:

Now,

ΔMNO is a right angle triangle, so we can use all the trigonometric ratio.

sin\alpha =\frac{Perpendicular}{Hypotenuse}

cos\alpha =\frac{Base}{Hypotenuse}

tan\alpha =\frac{sin\alpha }{cos\alpha } = \frac{Perpendicular}{Base}

tangent of ∠M = \frac{Perpendicular}{Base}

                         = \frac{ON}{MO}

                         = \frac{65}{72}

                         = 0.90278

∴∠M = tan^{-1} (0.90278)

        = 42.0750° ≅ 42°

Therefore the value of tangent of ∠M is 42°.

4 0
1 year ago
Kyle has created a video game called Falling Stars in which the player zaps stars from the sky. A certain number of stars must b
bija089 [108]

Answer:

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Step-by-step explanation:

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2 years ago
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Answer:

The standard form of a circle is (x-h)^2 + (y-k)^2 = r^2 with (h,k) being the center of the circle and r being the radius. In this case the circle's equation in standard form is (x-2)^2 + (y+3)^2 = 18. Knowing this it's easy to see that the center of the circle (h,k) is (2,-3). Finally the radius is \sqrt{18} or in simplified terms, 3\sqrt{2}

Step-by-step explanation:

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1 year ago
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