3 years ago

A system of linear equations is shown below, where A and B are real numbers. 3x + 4y = A Bx – 6y = 15

Mathematics

1 answer:

leonid [27]3 years ago

8 0

Answer:

A= -10 and B= -9/2

Step-by-step explanation:

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atroni [7]

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3 years ago

The measured length is 250 ft. The actual length is 246.9 ft. Find the percent error.

Marta_Voda [28]

Percent error = 1.2556%

Steps:
Percent Error =
Vobserved - Vtrue
Vtrue
=
250 - 246.9
246.9
=
3.1
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3 years ago

The first three terms of a sequence are -9 -7 -5

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Answer:

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Step-by-step explanation:

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3 years ago

Find the product. Simplify.<br> (a + 1)(a –5)=

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Answer:

$(a + 1)(a - 5) \\ {a}^{2} - 5a + a- 5 \\ {a}^{2} - 4 a- 5$

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3 years ago

7 of 12

astra-53 [7]

Answer:

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Step-by-step explanation:

Since the parallelograms are similar then the ratios of corresponding sides are equal , that is

= ( cross- multiply )

6x = 60 ( divide both sides by 6 )

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Step-by-step explanation:

7 0

2 years ago