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Ksenya-84 [330]
2 years ago
8

Someone help me please i don’t know how to do square units

Mathematics
1 answer:
Jet001 [13]2 years ago
8 0

Answer: 78.

Explaination:

To calculate the area of a triangle, multiply the height by the width aka the "base" then divide by 2.

In this case, the height is 13 and the width is 12.

S = \frac{height.width}{2} = \frac{13.12}{2} = 78.

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An aircraft factory manufactures airplane engines. The unit cost (the cost in dollars to make each airplane engine) depends on t
Juliette [100K]

Answer:

Minimum unit cost = 5,858

Step-by-step explanation:

Given the function : C(x)=x^2−520x+73458

To find the minimum unit cost :

Take the derivative of C(x) with respect to x

dC/dx = 2x - 520

Set = 0

2x - 520

2x = 520

x = 260

To minimize unit cost, 260 engines must be produced

Hence, minimum unit cost will be :

C(x)=x^2−520x+73458

Put x = 260

C(260) = 260^2−520(260) + 73458

= 5,858

7 0
3 years ago
Mike drew a quadrilateral with four right angles. What shape could be drawn?
Darya [45]
There could be 2 possible shapes that could’ve been drawn.

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All of their angles are 90° angles, which are right angles.


Hope this helped!
5 0
3 years ago
Mari used a thermometer to record temperatures of −3.4° Celsius and 1.6° Celsius. Which temperature in degrees Celsius is less t
Studentka2010 [4]

Answer: Qualquer temperatura menor que -3,4°C. Ou seja, -3,5 ; -3,6 ; ...

Step-by-step explanation:

8 0
3 years ago
Someone please save me time, I can’t figure this one out
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Answer:

62.8

Step-by-step explanation:

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hope this helps <3

3 0
2 years ago
A student expanded an expression, as shown. Is the student's work correct? Explain why or why not.
alex41 [277]
The work is incorrect.

(-6) multiplies both terms inside parentheses. For some reason, the student changed the sign of that multiplier for the second term. The second term of the result should have a positive sign, the result of multiplying (-6)(-2/13) = +12/13.
4 0
3 years ago
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