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2 years ago

Please help me with this question

Mathematics

2 answers:

morpeh [17]2 years ago

7 0

Answer:

19 and 26

Step-by-step explanation:

The other 2 cant work because that would make the total Degrees inside the triangle more than 180 (this is impossible)

wariber [46]2 years ago

5 0

19 and 26 because you have to measured the with your distance of the triangle

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PQRS is a trapezoid with a right angle. What are the coordinates of S

Brrunno [24]

Answer: (a, 0)

Step-by-step explanation:

Notice that S is on the x-axis, therefore the y-coordinate is "0".

Notice that S has the same x-value of R. The x-value of R is "a".

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3 years ago

Angles U and V are supplementary angles. The ratio of their measures is 7:13 Find the measure of each angle

GREYUIT [131]

If $u$ and $v$ are supplementary angles, then

$u+v=180^{\circ}~~~~~\mathbf{(i)}$

The ratio of $u$ and $v$ is $\dfrac{7}{13}:$ 

$\dfrac{u}{v}=\dfrac{7}{13}\\\\\\ u=\dfrac{7v}{13}~~~~\mathbf{(ii)}$

Substitute $\mathbf{(ii)}$ into $\mathbf{(i)}:$

$\dfrac{7v}{13}+v=180^{\circ}\\\\\\ \left(\dfrac{7}{13}+1 \right )\cdot v=180^{\circ}\\\\\\ \left(\dfrac{7}{13}+\dfrac{13}{13} \right )\cdot v=180^{\circ}\\\\\\ \dfrac{20}{13}\cdot v=180^{\circ}\\\\\\ v=180^{\circ}\cdot \dfrac{13}{20}\\\\\\ \boxed{\begin{array}{c} v=117^{\circ} \end{array}}$

From $\mathbf{(i)},$ we find the measure of $u:$

$u=180^{\circ}-v\\\\ u=180^{\circ}-117^{\circ}\\\\ \boxed{\begin{array}{c} u=63^{\circ} \end{array}}$

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3 years ago

Simplify the expression (1 + 1/x)(1 - 2/x+1)(1 + 2/x-1)

valentinak56 [21]

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Step-by-step explanation:

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2 years ago

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liberstina [14]

Step-by-step explanation:

step 1. (13x + 8) + (2x + 7) = 180 (definition of same side interior angles)

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3 years ago

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vazorg [7]

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3 years ago