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3 years ago

28. Marta Sanchez purchased a sweater for $15.67, a pair of socks for $2.13, and a bracelet for $6.78. For all

Mathematics

1 answer:

avanturin [10]3 years ago

6 0

Answer:

$ 1.94

Hope I helped

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Solve for x 6X +7 equals 25

Dimas [21]

Answer:

x = 3

Step-by-step explanation: 6x + 7 = 25

The first thing that you want to do is take away 7 from both sides. 7-25=18

The equation that is left is, 6x=18 Now you have to get X away from 6, you divided 6x/6 and 18/6 which leaves you with x=3

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3 years ago

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Evaluate the given expression at x=−4.<br><br> 3x2+9x+1

padilas [110]

3 × 2 + 9(-4) +7

3 ×2 - 36 + 7

6 -36 +7

= -23

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3 years ago

What is the length of the missing leg

sp2606 [1]

Answer:

4.33

Step-by-step explanation:

1. Pythagoras Theorem

$25 = \sqrt{3^{2}+b^{2}}$

2. Find b

$5 = 3^{2}+b^{2}$

$b^{2}$ = $5-3^{2}$ = $5-9$ = -4

but sqrt(-4) is not possible

b ≅ 4

OR (Require trig knowledge)

1. Sine Rule

$\frac{a}{sin\alpha}=\frac{b}{sin\beta}=\frac{c}{sin\pi }$

2. Plug in numbers

$\frac{5}{sin90}=\frac{b}{sin60}=\frac{3}{sin30}$

b ≅ 4.33

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3 years ago

Graph the line with the slop -3/2 and y-intercept 7

Zepler [3.9K]

The rise should be -3 and the run should be 2, the line should also pass through 7.

8 0

3 years ago

A member of the sales team earns 30% commission on any sales. A salesperson sold $450 worth of merchandise.

Bingel [31]

Answer:

The answer to this is B, $135.

Step-by-step explanation:

I took the test.

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3 years ago