3 years ago

Please help me!!!!!!!!!!!!

Mathematics

1 answer:

Aloiza [94]3 years ago

3 0

Answer:

16.03

Step-by-step explanation:

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Two numbers that multiply to -100 and add to 15

Whitepunk [10]

Answer:

-5 and 20

Step-by-step explanation:

-5 + 20 = 15

-5 * 20 = -100

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3 years ago

The angles in a triangle have<br><br> measures of 61°, (3z), (z-5)<br><br> What is the value of z?

vfiekz [6]

Answer:

z = 31

Step-by-step explanation:

A triangle adds up to 180 degrees

Therefore this equation is formed: 61 + 3z + z -5 = 180

Simplify:

4z = 124

z = 31

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3 years ago

(look at the image) can i get help on this?

ser-zykov [4K]

Answer:

no u wont

Step-by-step explanation:

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3 years ago

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The angle θ1\theta_1 θ 1 theta, start subscript, 1, end subscript is located in Quadrant II\text{II} II start text, I, I, end

melomori [17]

Answer:

$\dfrac{3\sqrt{13}}{11}$

Step-by-step explanation:

Given that the angle $\theta_1$ is located in Quadrant II; and

$\cos(\theta_1)=-\dfrac{2}{11}$

In Quadrant II, x is negative and y is positive.

$\cos(\theta)=\dfrac{Adjacent}{Hypotenuse},\sin(\theta)=\dfrac{Opposite}{Hypotenuse}\\$Adjacent=-2\\Hypotenuse=11\\$

To find $\sin(\theta_1)$ , we first determine the opposite angle of $\theta_1$ .

This will be done using the Pythagoras theorem.

$Hypotenuse^2=Opposite^2+Adjacent^2\\11^2=Opposite^2+(-2)^2\\Opposite^2=121-4=117\\Opposite=\sqrt{117}=3\sqrt{13}$

Therefore:

$\sin(\theta_1)=\dfrac{Opposite}{Hypotenuse}=\dfrac{3\sqrt{13}}{11}$

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3 years ago

⅔ divided by ⅙ i need help

Aleonysh [2.5K]

2/3 / 1/6

When dividing by a fraction, flip the second fraction over and change divide to multiply:

2/3 x 6/1 = (2 x6) / (3 x 1) = 12/3 = 4

The answer is 4

7 0

3 years ago