3 years ago

What is the value of the blue dot ???

Mathematics

1 answer:

alina1380 [7]3 years ago

6 0

Answer:

Step-by-step explanation:

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a bicycle store costs $3600 per month to operate .The store pays an average $80 per bike . The average selling price of each bic

klemol [59]

3400

Step-by-step explanation:

3600-120=3480,3480+80=3560

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3 years ago

In triangle ABC, AC=13, BC=84, and AB=85. Find the measure of angle C

sergiy2304 [10]

Given:

In triangle $ABC, AC=13, BC=84, AB=85$ .

To find:

The measure of angle C.

Solution:

Law of Cosines:

$\cos C=\dfrac{a^2+b^2-c^2}{2ab}$

$\cos C=\dfrac{BC^2+AC^2-AB^2}{2(BC)(AC)}$

Substituting the given values, we get

$\cos C=\dfrac{(84)^2+(13)^2-(85)^2}{2(84)(13)}$

$\cos C=\dfrac{7056+169-7225}{2184}$

$\cos C=\dfrac{0}{2184}$

$\cos C=0$

Taking cos inverse on both sides, we get

$C=\cos^{-1}(0)$

$C=90^\circ$

Therefore, the measure of angle C is 90 degrees.

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3 years ago

What is 7 4/5+-2/3 I can’t find the answer

mafiozo [28]

Answer:

107/15 = 7 2/15 is your answer

Step-by-step explanation:

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3 years ago

Look at the graph shown: A coordinate plane graph is shown. A line passes through the y-axis at 3 and through the point 2 comma

MAVERICK [17]

Using the information given, one can solve to find the equation of the line using slope intercept formula y=mx+b.

Given the y-intercept, b, 3.

y=mx+3

Next, we can plug in the given point (2,4), to solve for the slope.

4=m(2)+3

Subtract 3 from both sides.

1=2m

divide by 2.

1/2=m

So, given m and b, you can make your equation:

y=1/2x+3

I believe that is answer choice C. Hope this helps!

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3 years ago

The school needs to purchase a new refrigerator for student rewards. Lowes and Scars have the model

grandymaker [24]

Answer:

-(6y + 2z) - 7z - (12z + 32y)7,956

Step-by-step explanation:

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3 years ago