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sergij07 [2.7K]
3 years ago
9

Alex bought 2 1/4 pounds of M&Ms and 1.6 pounds of gummy worms. If the M&Ms cost $2 per pound, and the gummy worms cost

$ $2.75 per pound, how much did he spend?
Mathematics
1 answer:
CaHeK987 [17]3 years ago
5 0

Answer:

Alex paid $8.90 total. $4.50 for the M&Ms and $4.40 for the gummy worms.

Step-by-step explanation:

2 \frac{1}{4} is equivalent to 2.25, and if each pound is worth $2, then you would multiply the cost by each pound bought, shown like this: $2 (2.25) = $4.50 (You are distributing the $2 to find the product).

$2.75 (1.6) = $4.40

$4.50 + $4.40  = $8.90

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For triangle xyz , the measures of angles x,y, and Z are known. Which method should be used to start solving triangle xyz?
Kisachek [45]

Neither the <u>laws of sines</u> nor the <u>law of cosines</u> can be used to solve the triangle. The correct option is the third option - neither law can be used

<h3>Solving trianngles using the laws of sines & cosines </h3>

The law of sines is written as

\frac{sinA}{a}=\frac{sinB}{b}= \frac{sinC}{c}

Where a,b, and c are sides of any given triangle and A,B, and C are the angles.

This law is used when we are given either

  1. Two angles and one side, or
  2. Two sides and a non-included angle

The law of cosines is written as

a² = b² + c² -2bc cosA, or

b² = a² + c² - 2ac cosB, or

c² = a² + b² -2ab cosC

Where a,b, and c are sides of any given triangle and A,B, and C are the angles.

This law is used when we are given either

  1. Three sides or
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Now, for triangle xyz, which the measures of angles X,Y, and Z are known, neither law can be used to solve the triangle.

Hence, neither the <u>laws of sines</u> nor the <u>law of cosines</u> can be used to solve the triangle. The correct option is the third option - neither law can be used

Learn more on Solving triangles using the laws of sines & cosines here: brainly.com/question/22339733

5 0
2 years ago
Complete the equation of the line through (-10,-7)(-5,−9)
Igoryamba
Slope
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-5+10 5

Equation of a line
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2 years ago
Select the two binomials that are factors of this trinomial.
const2013 [10]

\huge{ \mathfrak{ \underline{question  : }}}

Select the two binomials that are factors of this trinomial.

x_2 + 8x + 12

\huge{ \mathfrak{  \underline{Answer   : }}}

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We got the factors as :

A. \: (x + 6)

and

D. \:  (x + 2)

\#TeeNForeveR

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skelet666 [1.2K]

Answer:

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Step-by-step explanation:

First would be, simplified, 2x+10=2x-10

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Fourth, simplified, -2x+10=2x-10

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