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Goryan [66]
3 years ago
12

Can someone please answer this question please answer it correctly and please show work please help me I need it

Mathematics
1 answer:
Sedbober [7]3 years ago
7 0

Answer:

C

Step-by-step explanation:

- 2 - 5 would represent a negative start, and further decreasing. So, a situation to describe this could be:

The temperature was -2°C and has <em>decreased</em><em> </em>by 5°C.

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A coffee table is on sale for 20% off the original price of $115.
snow_lady [41]

Answer: Final price of the coffee table is $98.9.

Step-by-step explanation:

Original price of a coffee table = $115

Discount on a coffee table = 20%

So, After discount, it becomes,

\text{ Price}=\frac{100-20}{100}\times 115\\\\\text{ Price}=\frac{80}{100}\times 115\\\\\text{ Price}=0.8\times 115\\\\\text{ Price}=\$92

Rate of sales tax = 7.5%

So, after tax the price becomes,

\text{ Price}=\frac{100+7.5}{100}\times 92\\\\\text{ Price}=\frac{107.5}{100}\times 92\\\\\text{ Price}=\$98.9

Hence, final price of the coffee table is $98.9.

3 0
3 years ago
What is a quadrilateral?
storchak [24]

Answer:

a four-sided figure.

Step-by-step explanation:

4 sides

5 0
2 years ago
Read 2 more answers
Solve (x+4)2 – 3(x + 4) – 3 = 0 using substitution.<br> u=
mr_godi [17]

Answer:

Step-by-step explanation:

(x+4)2-3(x+4)-3=0

2x+8-3x-12-3=0

-1x-4-3=0

-1x-7=0

-1x=7

x=7/-1

x=-7

3 0
2 years ago
Which coordinate (g, z) lies in the solution set for the following system of inequalities?
geniusboy [140]

Answer:

B. (6, 1)

Step-by-step explanation:

A graph of the solution space shows that the point (6, 1) is the only one that satisfies both inequalities.

___

<em>Verification</em>

3(6) +4(1) = 18 +4 = 22 < 24

3(6) -4(1) = 18 -4 = 14 > 12

_____

<em>Notes on the Solution</em>

The graphing calculator used here only recognizes variables x and y. Since g is the first variable in the ordered pair (g, z) we use x to represent g in the equations that are graphed. Similarly, y is used to represent z in the graphed equations.

You graph an inequality by graphing it as though it were an equation, then choosing the appropriate half-plane (one side of the line or the other) to shade as the solution space. Where the shadings from the two inequalities overlap, both are satisfied by points in that area.

In the first inequality, x and y values that are less than those on the line will satisfy the inequality, so the shading is below the line.

In the second inequality, x values greater than those on the line will satisfy the inequality, so the shading is to the right of the line.

In both cases, the line is graphed as a dashed line. This is because the points on the line do not satisfy the < or > conditions, so are not part of the solution set. (If one or both conditions were ≤ or ≥, then the corresponding line would be solid, and the points on the line would be part of the solution.)

7 0
3 years ago
will works 7 hours a day, 6 days a week. he is paid 9.20 an hour. he shares is wages with his mum in the ratio will:mum 5:2
vredina [299]
Answer:

7 weeks.

Step-by-step explanation:

Will works 7 hours a day, 6 days a week. So total number of hours worked by Will is,

=7\times 6=42 hours

He earns £9.20 an hour, so total money earned in a week by Will will be,

=42\times 9.20=\£386.4

As he shares with his mother in a ration of 5:2, so he gets 2 parts out of 7 parts. (as 5+2=7)

So the actual amount saved by Will is,

=386.4\times \dfrac{5}{7}=\£276

The price of the car is £1932, so the number of week that Will will take is,

=\dfrac{1932}{276}=7
4 0
3 years ago
Read 2 more answers
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