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3 years ago

Whats 10 plus 10 ..........................

Mathematics

2 answers:

Tresset [83]3 years ago

7 0

Uhhhhh i'm pretty sure 10 plus 10 is 54? i don't know... :(

Alenkasestr [34]3 years ago

4 0

Answer:

20!!!!!!!!!

Step-by-step explanation:

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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 $u:$

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

7 0

3 years ago

alpha needs to make jerseys for its 33 teachers and set aside some money for their budget to pay for them. the staff has decided

marishachu [46]

So it would be $38 multiplied by 33 which is: $1,254

4 0

3 years ago

-5x + 18 = 3x - 38 show steps please need this asap

krek1111 [17]

Answer:

x = 7.

Step-by-step explanation:

-5x + 18 = 3x - 38

18 + 38 = 3x + 5x

56 = 8x

x = 7.

8 0

3 years ago

Aaron found rhe length of the diagonal of a rectangle to be an irrational number. What could be the lenght of the diagonal

Amanda [17]

Answer:

See below

Step-by-step explanation:

It could be a positive square root l like √10 ( the number not being a perfect square).

He would have obtained this value from the application of the Pythagoras theorem. For example the length and width of the rectangle might have been 3 and 1 foot respectively, so the diagonal would have length √(3^2 + 1^2) = √10.

He could give an estimate of the length to nearest hundredth using his calculator. This would be 3.16 feet.

7 0

3 years ago

Find the equation of a line passing through the point (2, 3) and having a slope of 3.

Delvig [45]

Answer:

The answer to your question is the letter B) y = 3x - 3

Step-by-step explanation:

Data

Point = (2, 3)

slope = m = 3

Process

To solve this problem just substitute the values given in the slope-point equation.

Formula

y - y1 = m(x - x1)

x1 = 2 y1 = 3

-Substitution

y - 3 = 3(x - 2)

-Expand

y - 3 = 3x - 6

-Solve for y

y = 3x - 6 + 3

-Result

y = 3x - 3

5 0

3 years ago