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3 years ago

Ax+by=c What is the equivalent equation

Mathematics

1 answer:

kenny6666 [7]3 years ago

7 0

Ax plus BY equals C.

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Help me solve 10 and 11 Please. And show your work

Vaselesa [24]

I'm sorry idk how to do it

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3 years ago

Find the area of this trapezoid. Include the correct unit in your answer.

NemiM [27]

Answer:

$\displaystyle A _{ \text{trapezoid}} = 70 {m}^{2}$

Step-by-step explanation:

we are given a trapezoid

we want to figure out the area

remember that,

$\displaystyle A _{ \text{trapezoid}} = \frac{a + b}{2} h$

where a and b represent the parallel lines and h represents the height

we get from the pic that a and b are 5 and 15 respectively and h is 7

so substitute:

$\displaystyle A _{ \text{trapezoid}} = \frac{5 + 15}{2} \times 7$

simplify addition:

$\displaystyle A _{ \text{trapezoid}} = \frac{20}{2} \times 7$

simplify division:

$\displaystyle A _{ \text{trapezoid}} = 10\times 7$

simplify multiplication:

$\displaystyle A _{ \text{trapezoid}} = 70$

since we multiply two same units we of course have to use square unit

hence,

$\displaystyle A _{ \text{trapezoid}} = 70 {m}^{2}$

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2 years ago

The _____ is the point of intersection of the medians of a triangle.

OlgaM077 [116]

Answer:

centroid

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3 years ago

Mr. McDonald gave his math class the following problem. 18 pizzas need to be split among 12 families. How any pizzas does each f

RUDIKE [14]

None of those choices is correct, because a bare naked fraction without units is not a satisfactory answer. Keeping the units makes this question easy to answer, and the answer needs units.

The question is asking for a unit rate. That always means DIVIDE.

(18 pizzas) / (12 families)

= ( 18/12 ) (pizza/family) = 1.5 pizza/family .

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2 years ago

Read 2 more answers

Please answer the question on the attachment <3

Julli [10]

Answer:

Step-by-step explanation:

perpendicular (p)= 7.7

hypotenuse (h)= 9.7

now

sin x = p / h

sin x = 7.7/9.7

x = sin ^-1( 7.7/9.7)

x = 53°

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3 years ago