3 years ago

Solve the following systems of equations for x 2x+3y=-14 Y= 6x+22

Mathematics

1 answer:

-Dominant- [34]3 years ago

6 0

For the first one the answer is x = -3/2y - 7 and the second answer is x = 1/6y + -11/3

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Daniel has 1 blue pencil and 5 yellow pencils in his backpack. He also has 2 pink erasers, 4 tan erasers, and 3 gray erasers in

Kamila [148]

First, you add up all the pencil together so there is 6 pencil then add the eraser so there 9 erasers so the answer is

pencil: 5/6 to get a yellow pencil
erasers:2/9 to get a pink eraser

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3 years ago

If lines AB and CD are parallel, then angles C and E are

lys-0071 [83]

Answer: Angles C and E are same side interior angles.

Step-by-step explanation:

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Suppose an isosceles triangle abc has a=pi/4 and b=c=4. What is the length of a^2?

Zanzabum

The law of cosines states that, if $\alpha$ is the angle between sides b and c,

$a^2 = b^2+c^2-2bc\cos(\alpha)$

So, plugging our values, we have

$a^2 = 16+16-2\cdot 4\cdot 4\cdot\cos\left(\dfrac{\pi}{4}\right)$

This is equal to

$a^2 = 32-32\cdot\dfrac{\sqrt{2}}{2} = 32-16\sqrt{2}$

3 0

3 years ago

How do i do this?.......

iris [78.8K]

Order of operations (from high priority to low priority):

Parentheses

Exponents

Multiplications/Division

Addition/Subtraction

All in left to right.

2 ÷ (5 + 3)⁻¹ ÷ 4

2 ÷ (8)⁻¹ ÷ 4

2 ÷ 1/8 ÷ 4

16 ÷ 4

= 4

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3 years ago

Read 2 more answers

Can someone help me answer this?

lbvjy [14]

Answer:

(30,60)

90mph

Step-by-step explanation:

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