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3 years ago

1. Describe the number of solutions for each system of equations graphed below.

Mathematics

1 answer:

ddd [48]3 years ago

5 0

1. One Solution.
2. Zero Solution.
3. Two Solutions.
I hope it will help u.

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A woman earns $ 1,350 in interest from two accounts in one year. If she has three times as much invested at 7% as she does at 6%

VashaNatasha [74]

Answer:

The woman invested $15,000 at 7% interest rate and $5,000 at 6% interest rate.

Step-by-step explanation:

We are given the following in the question:

Let x be the interest earned from 7% interest rate and y be the interest earned from 6% interest rate.

The woman invested has three times as much invested at 7% as she does at 6%.

Thus, we can write the equation:

$x = 3y$

The total interest is $1,350.

Thus, we can write the equation:

$1350 = \dfrac{7x}{100} + \dfrac{6y}{100}\\\\7x + 6y = 135000$

Solving the two equations by substitution method:

$7(3y) + 6y = 135000\\27y = 135000\\y = 5000\\x = 3(5000) = 15000$

Thus, she invested $15,000 at 7% interest rate and $5,000 at 6% interest rate.

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Which angle refers to the same angle as ZGPB? F A P B Choose 1 answer:

Kaylis [27]

The answer is B trust me I know I did that before

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3 years ago

I need some help please

klio [65]

True, because the dilation factor is less than one. This will result in the shape reducing.

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3 years ago

Solve for angle B, then side a. Round to the nearest tenth.

Sunny_sXe [5.5K]

Answer:

Angle B: 28 degrees

Side a: 27.6

Step-by-step explanation:

Angle B:

180-112-40=28

Side a:

sin 28/14 = sin 112/a

a = sin 112(14)/sin 28

a = 27.6

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Step-by-step explanation:

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