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Kazeer [188]
2 years ago
6

Describe the steps you used to solve the equation and find the amount of Carrie’s allowance. Linear equation:  1 4 a + 1 3 a + 8

= 22
Mathematics
2 answers:
Valentin [98]2 years ago
6 0

Answer:

a = 0.519

Step-by-step explanation:

14a + 13a + 8 = 22

27a = 14

a = 0.519

ruslelena [56]2 years ago
3 0

Sample Response: First, the like terms had to be combined using the lowest common denominator (LCD). Then the subtraction property of equality was used to isolate the variable term. Finally, both sides of the equation were multiplied by the reciprocal of the coefficient to solve for a.

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Sam bought brushes for $8, a palette for $5, and oil paints for $15. He paid $29.82 in all. What sales-tax rate did Sam pay?
klio [65]
Total purchased w/o tax: $8 +$5 + $15 = $28
He paid (w/tax) $29.82 so 
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$1.82 / $28 * 100 = 0.065 *100% = 6.5%

Double check:

$28 *6.5 / 100  = $1.82

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7 0
2 years ago
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Which rays are part of line BE?
ELEN [110]
I think the answer is AB and AE but I need a picture to be sure.
8 0
1 year ago
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Complete the equation of the line whose yyy-intercept is (0,-1)(0,−1)left parenthesis, 0, comma, minus, 1, right parenthesis and
ioda

Answer:

y=4x-1

Step-by-step explanation:

we know that

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7 0
2 years ago
A news organization previously stated that three of four people believed that the state of the economy was the country's most si
gizmo_the_mogwai [7]

Answer:

Option d)

H_{0}: p = 0.75\\H_A: p \neq 0.75

Step-by-step explanation:

We are given the following in the question:

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They would like to test the new data against this prior belief.

The null hypothesis will state that the three of four people believed that the state of the economy was the country's most significant concern.

The alternate hypothesis will state that this is not true. It states that people believed that the state of the economy was the country's most significant concern is not the same.

p =\dfrac{3}{4} = 0.75

We design the null and the alternate hypothesis  

H_{0}: p = 0.75\\H_A: p \neq 0.75

4 0
2 years ago
Jayla starts with a population of 100 amoebas that increases 40% every hour for a number of hours, h. The expression 100(1 + 0.4
Ivanshal [37]
I don't believe your expression is correct as is; it should be <span>100(1 + 0.4)^h.

You have not shared the possible answer choices; please do so.


</span>
5 0
2 years ago
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